Orbital Analysis for matched events on 20210810_232939.648_UK

Summary for Event
-----------------
shower ID 7 PER
Lg 59.67° Bg 39.38° Vg 59.00km/s
mass 0.06711g, abs. mag -1.0
Path Details
------------
start -2.24° 49.81° 110.89km
end   -2.43° 49.69° 94.69km

Orbit Details
-------------
Semimajor axis 23.04A.U., eccentricity 0.96, inclination 112.24°, Period 110.59Y, LA Sun 138.25°, last Perihelion 2021-07-24

Full details below
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Input measurement type: Azimuth +east of due north for meas1, Elevation angle above the horizon for meas2

Uncertainties type:
 Purely geometric uncertainties

Reference JD: 2459437.478931121994
Time: 2021-08-10 23:29:39.689616 UTC


Plane intersections
-------------------
Intersection 1 - Stations: UK000H and UK002D
 Convergence angle = 7.94874 deg
 R.A. =  43.16412  Dec = +58.01649 deg
Intersection 2 - Stations: UK000H and UK0038
 Convergence angle = 17.66367 deg
 R.A. =  42.89334  Dec = +58.05355 deg
Intersection 3 - Stations: UK002D and UK0038
 Convergence angle = 9.71497 deg
 R.A. =  42.66444  Dec = +58.04640 deg

Best intersection: Stations UK000H and UK0038 with Qconv = 17.66 deg


Least squares solution
----------------------
State vector (ECI, epoch of date):
 X =   2687904.41 +/- 83.32 m
 Y =  -3220936.62 +/- 130.64 m
 Z =   4936212.62 +/- 21.22 m
 Vx =    23326.57 +/- 249.03 m/s
 Vy =    21251.35 +/- 370.75 m/s
 Vz =    51070.72 +/- 89.49 m/s

State vector covariance matrix (X, Y, Z, Vx, Vy, Vz):
+7.410711e+03, -1.146126e+04, +1.476126e+03, +1.765957e+04, -3.023675e+04, +1.705195e+03
-1.146126e+04, +1.821331e+04, -2.279157e+03, -2.723418e+04, +4.782335e+04, -3.064705e+03
+1.476126e+03, -2.279157e+03, +4.809679e+02, +3.060912e+03, -5.917750e+03, +5.842228e+02
+1.765957e+04, -2.723418e+04, +3.060912e+03, +5.022796e+04, -8.366789e+04, +1.786724e+03
-3.023675e+04, +4.782335e+04, -5.917750e+03, -8.366789e+04, +1.457594e+05, -5.335699e+03
+1.705195e+03, -3.064705e+03, +5.842228e+02, +1.786724e+03, -5.335699e+03, +1.506706e+03

Timing offsets (from input data):
    UK000H: 0.000000 s
    UK002D: -0.000184 s
    UK0038: 0.000004 s

Reference point on the trajectory:
  Time: 2021-08-10 23:29:39.689616 UTC
  Lon     = +-2.228087 +/- 0.0003 deg
  Lat     = +49.826244 +/- 0.0009 deg
  Lat geo = +49.639731 +/- 0.0009 deg
  Ht      =  112331.42 +/- 111.91 m

  JD dynamic   = 2459437.479732333682 
  LST apparent = 309.8453419866 deg
Radiant (apparent in ECI which includes Earth's rotation, epoch of date):
  R.A.      =  42.33465 +/- 0.7547 deg
  Dec       = +58.28898 +/- 0.0939 deg
  Azimuth   =  42.84310 +/- 0.2025 deg
  Elevation = +39.44169 +/- 0.3752 deg
  Vavg      =  58.63520 +/- 0.0764 km/s
  Vinit     =  60.03305 +/- 0.0445 km/s
Radiant (apparent ground-fixed, epoch of date):
  R.A.      =  42.31076 +/- 0.7547 deg
  Dec       = +58.04150 +/- 0.0939 deg
  Azimuth   =  43.11906 +/- 0.2025 deg
  Elevation = +39.31558 +/- 0.3752 deg
  Vavg      =  58.79641 +/- 0.0764 km/s
  Vinit     =  60.19426 +/- 0.0445 km/s
Radiant (geocentric, J2000):
  R.A.   =  42.67136 +/- 0.7523 deg
  Dec    = +57.94003 +/- 0.0979 deg
  Vg     =  58.99923 +/- 0.0453 km/s
  Vinf   =  60.03305 +/- 0.0445 km/s
  Zc     =  50.69518 +/- 0.3756 deg
  Zg     =  51.16664 +/- 0.3790 deg
Radiant (ecliptic geocentric, J2000):
  Lg     =  59.67398 +/- 0.4371 deg
  Bg     = +39.38049 +/- 0.2334 deg
  Vh     =  41.37595 +/- 0.0409 km/s
Radiant (ecliptic heliocentric, J2000):
  Lh     =  77.97659 +/- 0.8763 deg
  Bh     = +64.78666 +/- 0.4490 deg
  Vh_x   =  -3.67164 +/- 0.2138 km/s
  Vh_y   = -17.23908 +/- 0.3308 km/s
  Vh_z   = -37.43398 +/- 0.1630 km/s
Orbit:
  La Sun = 138.248437 +/- -0.0000 deg
  a      =  23.040248 +/- 2.9315 AU
  e      =   0.958013 +/- 0.0036
  i      = 112.238414 +/- 0.2304 deg
  peri   = 155.069740 +/- 1.1285 deg
  node   = 138.247310 +/- 0.0000 deg
  Pi     = 293.317050 +/- 1.1285 deg
  q      =   0.967392 +/- 0.0042 AU
  f      =  24.926247 +/- 1.1285 deg
  M      =   0.158145 +/- 0.0224 deg
  Q      =  45.113105 +/- 5.8609 AU
  n      =   0.008912 +/- 0.0011 deg/day
  T      = 110.593950 +/- 23.3800 years
  Last perihelion JD = 2459419.734459 (2021-07-24 05:37:37.294790) +/- 0.7426 days
  Tj     =  -0.230770 +/- 0.0181
Shower association:
  IAU No.  =    7
  IAU code =  PER

Orbit covariance matrix:
             e     ,     q (AU)   ,      Tp (JD) ,   node (rad) ,   peri (rad) ,    i (rad)
e   , +1.401277e-05, +7.296582e-06, +1.443944e-03, +7.180162e-10, +3.659257e-05, -9.512458e-06
q   , +7.296582e-06, +1.902372e-05, +3.340451e-03, +1.320441e-09, +8.873181e-05, -1.744521e-05
Tp  , +1.443944e-03, +3.340451e-03, +5.891965e-01, +2.351485e-07, +1.562368e-02, -3.107154e-03
node, +7.180162e-10, +1.320441e-09, +2.351485e-07, +9.889665e-14, +6.211512e-09, -1.306989e-09
peri, +3.659257e-05, +8.873181e-05, +1.562368e-02, +6.211512e-09, +4.145756e-04, -8.207192e-05
i   , -9.512458e-06, -1.744521e-05, -3.107154e-03, -1.306989e-09, -8.207192e-05, +1.727287e-05

Jacchia fit on lag = -|a1|*exp(|a2|*t):
 a1 = 0.000000
 a2 = 56.155543

Mean time residuals from time vs. length:
  Station with reference time: UK000H
  Avg. res. = 1.484e-06 s
  Stddev    = 1.22e-03 s

Begin point on the trajectory:
  Lon =    -2.244395 +/- 0.0003 deg
  Lat =    49.814865 +/- 0.0009 deg
  Ht  = 110887.09 +/- 94.37 m
End point on the trajectory:
  Lon =    -2.429432 +/- 0.0003 deg
  Lat =    49.686490 +/- 0.0006 deg
  Ht  = 94688.67 +/- 38.39 m

Stations
--------
        ID, Ignored, Lon +E (deg), Lat +N (deg),  Ht (m), Jacchia a1, Jacchia a2,  Beg Ht (m),  End Ht (m), +/- Obs ang (deg), +/- V (m), +/- H (m), Persp. angle (deg), Weight, FOV Beg, FOV End, Comment
    UK000H,   False,    -1.778230,    50.857470,   24.00,   0.000000,   0.000000,   110887.09,    95512.88,          0.008915,     22.61,     12.81,              93.74, 0.9957,    True,    True, {"ff_name": "FF_UK000H_20210810_232931_782_0289024.fits"}
    UK002D,   False,    -1.801980,    51.351940,  129.00,   0.000000,   0.000000,   106647.16,    94688.67,          0.016319,     55.51,     22.01,             101.23, 0.9621,    True,    True, {"ff_name": "FF_UK002D_20210810_232932_354_0287232.fits"}
    UK0038,   False,    -2.379250,    51.361350,  169.00,   0.000000,   0.000000,   109840.19,    94990.39,          0.008934,     31.71,      6.68,              95.48, 0.9909,    True,    True, {"ff_name": "FF_UK0038_20210810_232934_975_0285952.fits"}

Points
------
 No, Station ID,  Ignore,  Time (s),                   JD,     meas1,     meas2, Azim +E of due N (deg), Alt (deg), Azim line (deg), Alt line (deg), RA obs (deg), Dec obs (deg), RA line (deg), Dec line (deg),       X (m),       Y (m),       Z (m), Latitude (deg), Longitude (deg), Height (m),  Range (m), Length (m), State vect dist (m),  Lag (m), Vel (m/s), Vel prev avg (m/s), H res (m), V res (m), Ang res (asec), AppMag, AbsMag
  0,     UK000H,       1,  0.000000, 2459437.478931121994, 298.70068,   4.40802,              195.78230,  42.54366,       195.76309,       42.53826,    298.70068,      +4.40802,     298.71373,       +4.40028,  2687909.53, -3220931.96,  4936223.82,      49.826310,       -2.227823,  112339.79,  164455.37,       0.00,               13.16,   266.68,      0.00,           59390.25,    -21.43,     37.82,          54.52,  +3.38,  +2.30
  1,     UK000H,       0,  0.040692, 2459437.478931592777, 298.30033,   3.71828,              196.15087,  41.79493,       196.14851,       41.79427,    298.30033,      +3.71828,     298.30212,       +3.71732,  2687020.90, -3221741.53,  4934278.28,      49.814865,       -2.244395,  110887.09,  164606.67,    2286.96,             2273.79,    84.44,  56201.63,           59390.25,     -2.66,      4.71,           6.78,  +1.89,  +0.81
  2,     UK000H,       0,  0.081404, 2459437.478932064027, 297.87912,   3.01370,              196.53542,  41.02677,       196.53594,       41.02692,    297.87912,      +3.01370,     297.87910,       +3.01391,  2686104.03, -3222576.83,  4932270.90,      49.803049,       -2.261488,  109388.70,  164796.00,    4646.61,             4633.45,     0.03,  57959.73,           59390.25,      0.59,     -1.05,           1.50,  +1.46,  +0.38
  3,     UK000H,       0,  0.122192, 2459437.478932536207, 297.41016,   2.23153,              196.95455,  40.17238,       196.95549,       40.17264,    297.41016,      +2.23153,     297.41001,       +2.23191,  2685082.24, -3223507.72,  4930033.81,      49.789871,       -2.280518,  107719.45,  165046.39,    7276.29,             7263.12,   181.07,  64471.71,           59390.25,      1.08,     -1.90,           2.74,  +0.91,  -0.18
  4,     UK000H,       0,  0.162872, 2459437.478933006991, 297.00511,   1.55247,              197.30784,  39.42986,       197.31137,       39.43084,    297.00511,      +1.55247,     297.00330,       +1.55395,  2684193.84, -3224317.08,  4928088.76,      49.778405,       -2.297084,  106268.60,  165298.29,    9562.66,             9549.50,    25.31,  56203.99,           59214.81,      4.12,     -7.28,          10.44,  +0.46,  -0.63
  5,     UK000H,       0,  0.203564, 2459437.478933478240, 296.59080,   0.86229,              197.66294,  38.67363,       197.66592,       38.67446,    296.59080,      +0.86229,     296.58953,       +0.86355,  2683286.28, -3225143.90,  4926101.78,      49.766685,       -2.314004,  104786.96,  165587.94,   11898.34,            11885.17,   -81.89,  57398.81,           58905.46,      3.52,     -6.20,           8.88,  +0.36,  -0.74
  6,     UK000H,       0,  0.244304, 2459437.478933949489, 296.14869,   0.12396,              198.03344,  37.86371,       198.03646,       37.86455,    296.14869,      +0.12396,     296.14753,       +0.12525,  2682312.09, -3226031.43,  4923968.90,      49.754095,       -2.332154,  103197.07,  165934.87,   14405.52,            14392.35,   -20.45,  61541.07,           59077.46,      3.61,     -6.37,           9.10,  +0.31,  -0.79
  7,     UK000H,       0,  0.285060, 2459437.478934421204, 295.71183,  -0.63937,              198.38322,  37.02921,       198.40668,       37.03572,    295.71183,      -0.63937,     295.69597,       -0.62926,  2681312.07, -3226942.48,  4921779.48,      49.741162,       -2.350779,  101565.63,  166329.66,   16979.16,            16966.00,   106.48,  63147.54,           59488.64,     28.36,    -50.08,          71.37,  +0.21,  -0.89
  8,     UK000H,       0,  0.325752, 2459437.478934892453, 295.27985,  -1.33009,              198.73757,  36.26578,       198.74269,       36.26720,    295.27985,      -1.33009,     295.27746,       -1.32786,  2680381.63, -3227790.15,  4919742.39,      49.729120,       -2.368120,  100048.23,  166732.21,   19373.73,            19360.57,    58.19,  58846.21,           59637.67,      6.26,    -11.05,          15.72,  +0.16,  -0.95
  9,     UK000H,       0,  0.366448, 2459437.478935363237, 294.86870,  -2.03388,              199.05640,  35.49281,       199.07234,       35.49723,    294.86870,      -2.03388,     294.85844,       -2.02688,  2679445.84, -3228642.68,  4917693.60,      49.717001,       -2.385559,   98522.62,  167170.84,   21782.06,            21768.90,    23.41,  59178.56,           59688.51,     19.71,    -34.79,          49.33,  +0.12,  -1.00
 10,     UK000H,       0,  0.407132, 2459437.478935834020, 294.44252,  -2.71769,              199.39166,  34.73538,       199.39198,       34.73547,    294.44252,      -2.71769,     294.44399,       -2.71755,  2678516.05, -3229489.75,  4915657.94,      49.704952,       -2.402887,   97007.31,  167639.99,   24174.96,            24161.80,   -26.07,  58816.77,           59676.66,      0.40,     -0.71,           1.00,  +0.02,  -1.10
 11,     UK000H,       0,  0.447800, 2459437.478936304804, 294.04866,  -3.40295,              199.68184,  33.98246,       199.69990,       33.98745,    294.04866,      -3.40295,     294.03694,       -3.39488,  2677598.77, -3230325.43,  4913649.65,      49.693056,       -2.419983,   95512.88,  168135.13,   26535.68,            26522.51,  -106.78,  58048.47,           59607.28,     22.84,    -40.30,          56.82,  +0.12,  -1.01
  0,     UK002D,       1,  0.110027, 2459437.478932397440, 300.62016,  -7.59799,              191.11597,  30.46590,       191.12086,       30.46785,    300.62016,      -7.59799,     300.61664,       -7.59554,  2685386.88, -3223230.18,  4930700.78,      49.793801,       -2.274845,  108217.06,  208268.14,       0.00,             6479.10,   127.37,      0.00,           58618.14,      6.21,    -15.69,          16.71,  +3.86,  +2.27
  1,     UK002D,       0,  0.150499, 2459437.478932865895, 300.23032,  -8.13990,              191.48181,  29.88044,       191.44569,       29.86605,    300.23032,      -8.13990,     300.26052,       -8.15810,  2684425.67, -3224105.88,  4928596.33,      49.781398,       -2.292755,  106647.16,  208824.03,    2473.76,             8952.86,   171.48,  61122.84,           58618.14,    -46.31,    116.77,         124.08,  +1.79,  +0.19
  2,     UK002D,       0,  0.190979, 2459437.478933334351, 299.92670,  -8.69485,              191.74330,  29.29181,       191.75031,       29.29461,    299.92670,      -8.69485,     299.92172,       -8.69129,  2683509.25, -3224940.76,  4926589.95,      49.769565,       -2.309837,  105150.94,  209380.08,    4832.23,            11311.33,    99.81,  58262.58,           58618.14,      9.05,    -22.86,          24.22,  +1.10,  -0.50
  3,     UK002D,       0,  0.231411, 2459437.478933802340, 299.56968,  -9.19120,              192.06913,  28.75370,       192.04113,       28.74257,    299.56968,      -9.19120,     299.59381,       -9.20547,  2682620.29, -3225750.65,  4924643.66,      49.758079,       -2.326413,  103699.99,  209943.57,    7120.07,            13599.17,   -39.61,  56584.91,           58618.14,    -36.41,     91.80,          97.03,  +0.83,  -0.78
  4,     UK002D,       0,  0.271879, 2459437.478934270330, 299.24275,  -9.72770,              192.35095,  28.17885,       192.33730,       28.17343,    299.24275,      -9.72770,     299.25523,       -9.73470,  2681699.66, -3226589.37,  4922628.06,      49.746176,       -2.343572,  102197.87,  210551.81,    9489.40,            15968.50,   -99.70,  58548.08,           58389.07,    -17.86,     45.07,          47.49,  +0.75,  -0.87
  5,     UK002D,       0,  0.312363, 2459437.478934739251, 298.89747, -10.28574,              192.64534,  27.57942,       192.64302,       27.57851,    298.89747,     -10.28574,     298.90071,      -10.28693,  2680732.55, -3227470.44,  4920510.70,      49.733663,       -2.361589,  100620.47,  211217.53,   11978.32,            18457.42,   -41.15,  61479.26,           58765.32,     -3.06,      7.71,           8.10,  +0.70,  -0.92
  6,     UK002D,       0,  0.352827, 2459437.478935207240, 298.53915, -10.81980,              192.95319,  27.00110,       192.93912,       26.99553,    298.53915,     -10.81980,     298.55245,      -10.82710,  2679779.86, -3228338.37,  4918424.90,      49.721328,       -2.379339,   99067.12,  211900.03,   14430.16,            20909.26,   -18.50,  60592.95,           59095.49,    -18.70,     47.17,          49.39,  +0.61,  -1.02
  7,     UK002D,       0,  0.393295, 2459437.478935675696, 298.21194, -11.35371,              193.22277,  26.42649,       193.22460,       26.42722,    298.21194,     -11.35371,     298.21204,      -11.35275,  2678846.06, -3229189.10,  4916380.46,      49.709229,       -2.396740,   97545.08,  212594.50,   16833.38,            23312.48,   -44.69,  59385.75,           59257.24,      2.45,     -6.19,           6.46,  +0.45,  -1.19
  8,     UK002D,       0,  0.433759, 2459437.478936144151, 297.85125, -11.88988,              193.52392,  25.84408,       193.51579,       25.84087,    297.85125,     -11.88988,     297.85997,      -11.89414,  2677877.02, -3230071.93,  4914258.86,      49.696665,       -2.414791,   95966.17,  213341.46,   19327.29,            25806.39,    20.04,  61632.91,           59491.09,    -10.96,     27.65,          28.76,  +0.61,  -1.04
  9,     UK002D,       0,  0.474143, 2459437.478936611675, 297.57186, -12.32830,              193.75017,  25.36952,       193.74853,       25.36888,    297.57186,     -12.32830,     297.57524,      -12.32916,  2677092.74, -3230786.44,  4912541.77,      49.686490,       -2.429432,   94688.67,  213965.95,   21345.72,            27824.82,  -385.91,  49980.76,           59092.52,     -2.22,      5.60,           5.81,  +1.83,  +0.18
  0,     UK0038,       0,  0.064694, 2459437.478931870777, 312.22311,  -7.25838,              177.06226,  31.33979,       177.07067,       31.34459,    312.22311,      -7.25838,     312.21599,       -7.25381,  2686380.32, -3222325.12,  4932875.81,      49.806610,       -2.256319,  109840.19,  206231.14,       0.00,             3922.38,   292.13,      0.00,           57371.43,      6.40,    -30.43,          31.10,  +2.81,  +1.24
  1,     UK0038,       0,  0.105014, 2459437.478932337370, 311.89833,  -7.73549,              177.45496,  30.87259,       177.44592,       30.86745,    311.89833,      -7.73549,     311.90673,       -7.74041,  2685572.70, -3223060.89,  4931107.61,      49.796197,       -2.271394,  108520.61,  206466.51,    2078.50,             6000.88,   -49.90,  51550.14,           57371.43,     -6.91,     32.80,          33.49,  +1.90,  +0.33
  2,     UK0038,       0,  0.145406, 2459437.478932804894, 311.56839,  -8.29881,              177.85127,  30.31790,       177.86567,       30.32608,    311.56839,      -8.29881,     311.55626,       -8.29092,  2684656.21, -3223895.85,  4929101.08,      49.784373,       -2.288478,  107023.64,  206758.80,    4437.16,             8359.54,  -116.09,  58394.25,           57371.43,     11.05,    -52.53,          53.55,  +0.96,  -0.62
  3,     UK0038,       0,  0.185794, 2459437.478933272418, 311.18780,  -8.87341,              178.29995,  29.75140,       178.30337,       29.75334,    311.18780,      -8.87341,     311.18554,       -8.87153,  2683686.12, -3224779.64,  4926977.17,      49.771849,       -2.306551,  105439.66,  207097.17,    6933.78,            10856.16,   -44.09,  61815.92,           57371.43,      2.64,    -12.55,          12.77,  +0.69,  -0.89
  4,     UK0038,       0,  0.226186, 2459437.478933739942, 310.81102,  -9.44801,              178.73792,  29.18296,       178.73465,       29.18111,    310.81102,      -9.44801,     310.81489,       -9.44982,  2682715.97, -3225663.47,  4924853.16,      49.759315,       -2.324624,  103856.15,  207465.20,    9430.54,            13352.92,    27.82,  61813.16,           58738.89,     -2.54,     12.06,          12.25,  +0.54,  -1.04
  5,     UK0038,       0,  0.266578, 2459437.478934207465, 310.43346, -10.02591,              179.17057,  28.60940,       179.16291,       28.60508,    310.43346,     -10.02591,     310.44144,      -10.03017,  2681738.10, -3226554.35,  4922712.22,      49.746673,       -2.342840,  102260.59,  207865.99,   11947.19,            15869.57,   119.61,  62305.59,           59639.14,     -5.98,     28.37,          28.77,  +0.45,  -1.14
  6,     UK0038,       0,  0.306934, 2459437.478934674524, 310.08642, -10.55237,              179.56274,  28.08534,       179.55000,       28.07818,    310.08642,     -10.55237,     310.09917,      -10.55948,  2680842.19, -3227370.56,  4920750.74,      49.735082,       -2.359542,  100799.26,  208259.32,   14252.89,            18175.26,     2.61,  57133.99,           59692.30,    -10.00,     47.39,          47.97,  +0.40,  -1.19
  7,     UK0038,       0,  0.347318, 2459437.478935141582, 309.74923, -11.10392,              179.93889,  27.53472,       179.94280,       27.53691,    309.74923,     -11.10392,     309.74715,      -11.10172,  2679920.10, -3228210.61,  4918731.94,      49.723144,       -2.376727,   99295.74,  208690.12,   16625.96,            20548.34,   -48.69,  58762.76,           59636.98,      3.08,    -14.62,          14.76,  +0.31,  -1.29
  8,     UK0038,       0,  0.387698, 2459437.478935609106, 309.38957, -11.66230,              180.33456,  26.97580,       180.34201,       26.97998,    309.38957,     -11.66230,     309.38442,      -11.65809,  2678969.16, -3229076.95,  4916649.97,      49.710825,       -2.394444,   97745.70,  209161.81,   19073.29,            22995.67,   -25.49,  60607.50,           59675.87,      5.91,    -28.05,          28.27,  +0.15,  -1.45
  9,     UK0038,       0,  0.428078, 2459437.478936076630, 309.00004, -12.22764,              180.75725,  26.40815,       180.74979,       26.40398,    309.00004,     -12.22764,     309.00863,      -12.23186,  2677983.02, -3229975.37,  4914490.92,      49.698040,       -2.412811,   96138.85,  209680.16,   21611.23,            25533.61,    88.32,  62851.42,           59868.88,     -5.95,     28.20,          28.35,  +0.12,  -1.49
 10,     UK0038,       0,  0.468366, 2459437.478936542757, 308.74543, -12.64505,              181.02970,  25.98827,       181.03864,       25.99327,    308.74543,     -12.64505,     308.73921,      -12.63997,  2677278.00, -3230617.66,  4912947.38,      49.688894,       -2.425988,   94990.39,  210068.87,   23425.65,            27348.03,  -515.88,  45036.19,           59301.59,      7.15,    -33.94,          34.05,  +0.70,  -0.91

Notes
-----
- Points that have not been taken into consideration when computing the trajectory have '1' in the 'Ignore' column.
- The time already has time offsets applied to it.
- 'meas1' and 'meas2' are given input points.
- X, Y, Z are ECI (Earth-Centered Inertial) positions of projected lines of sight on the radiant line.
- Zc is the observed zenith distance of the entry angle, while the Zg is the entry zenith distance corrected for Earth's gravity.
- Latitude (deg) and Longitude (deg) are in WGS84 coordinates, while Height (m) is in the EGM96 datum. There values are coordinates of each point on the radiant line.
- Jacchia (1955) deceleration equation fit was done on the lag.
- Right ascension and declination in the table are given in the epoch of date for the corresponding JD, per every point.
- 'RA and Dec obs' are the right ascension and declination calculated from the observed values, while the 'RA and Dec line' are coordinates of the lines of sight projected on the fitted radiant line. The coordinates are in the epoch of date, and NOT J2000!. 'Azim and alt line' are thus corresponding azimuthal coordinates.
- 'Vel prev avg' is the average velocity including all previous points up to the given point. For the first 4 points this velocity is computed as the average velocity of those 4 points.