Orbital Analysis for matched events on 20210810_002248.639_UK

Summary for Event
-----------------
shower ID 7 PER
Lg 57.39° Bg 38.02° Vg 57.68km/s
mass 0.27777g, abs. mag -3.1
Path Details
------------
start -4.77° 54.21° 108.59km
end   -5.02° 54.10° 86.89km

Orbit Details
-------------
Semimajor axis 4.59A.U., eccentricity 0.79, inclination 113.37°, Period 9.82Y, LA Sun 137.32°, last Perihelion 2021-07-22

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: 2459436.515840730630
Time: 2021-08-10 00:22:48.639126 UTC


Plane intersections
-------------------
Intersection 1 - Stations: UK001L and UK001Z
 Convergence angle = 18.20289 deg
 R.A. =  41.64147  Dec = +57.29382 deg

Best intersection: Stations UK001L and UK001Z with Qconv = 18.20 deg


Least squares solution
----------------------
State vector (ECI, epoch of date):
 X =   2897345.31 +/- 363.74 m
 Y =  -2462210.53 +/- 99.16 m
 Z =   5238279.07 +/- 379.81 m
 Vx =    24820.54 +/- 1039.45 m/s
 Vy =    21097.70 +/- 373.92 m/s
 Vz =    48880.52 +/- 714.53 m/s

State vector covariance matrix (X, Y, Z, Vx, Vy, Vz):
+1.401375e+05, +3.041549e+04, -1.398618e+05, +3.323584e+05, +1.074300e+05, -2.345438e+05
+3.041549e+04, +1.036972e+04, -2.827639e+04, +6.701162e+04, +2.949489e+04, -5.137001e+04
-1.398618e+05, -2.827639e+04, +1.519046e+05, -3.414174e+05, -1.087038e+05, +2.451974e+05
+3.323584e+05, +6.701162e+04, -3.414174e+05, +9.943030e+05, +2.859433e+05, -6.307451e+05
+1.074300e+05, +2.949489e+04, -1.087038e+05, +2.859433e+05, +1.057273e+05, -1.978680e+05
-2.345438e+05, -5.137001e+04, +2.451974e+05, -6.307451e+05, -1.978680e+05, +4.305293e+05

Timing offsets (from input data):
    UK001L: 0.000000 s
    UK001Z: 0.000253 s
    UK003F: 0.000000 s

Reference point on the trajectory:
  Time: 2021-08-10 00:22:48.639126 UTC
  Lon     = +-4.769891 +/- 0.0045 deg
  Lat     = +54.205369 +/- 0.0036 deg
  Lat geo = +54.025669 +/- 0.0036 deg
  Ht      =  108600.13 +/- 183.29 m

  JD dynamic   = 2459436.516641471535 
  LST apparent = 319.6415829924 deg
Radiant (apparent in ECI which includes Earth's rotation, epoch of date):
  R.A.      =  40.36487 +/- 0.7902 deg
  Dec       = +56.31916 +/- 1.1012 deg
  Azimuth   =  52.88259 +/- 1.6742 deg
  Elevation = +46.65643 +/- 0.2877 deg
  Vavg      =  57.29153 +/- 0.3357 km/s
  Vinit     =  58.74076 +/- 0.1176 km/s
Radiant (apparent ground-fixed, epoch of date):
  R.A.      =  40.44283 +/- 0.7902 deg
  Dec       = +56.09761 +/- 1.1012 deg
  Azimuth   =  53.11906 +/- 1.6742 deg
  Elevation = +46.49975 +/- 0.2877 deg
  Vavg      =  57.44374 +/- 0.3357 km/s
  Vinit     =  58.89297 +/- 0.1176 km/s
Radiant (geocentric, J2000):
  R.A.   =  40.59827 +/- 0.8014 deg
  Dec    = +56.00330 +/- 1.1074 deg
  Vg     =  57.68291 +/- 0.1198 km/s
  Vinf   =  58.74076 +/- 0.1176 km/s
  Zc     =  43.45220 +/- 0.2842 deg
  Zg     =  43.86710 +/- 0.2880 deg
Radiant (ecliptic geocentric, J2000):
  Lg     =  57.39022 +/- 1.0438 deg
  Bg     = +38.02013 +/- 0.8681 deg
  Vh     =  39.45556 +/- 0.5361 km/s
Radiant (ecliptic heliocentric, J2000):
  Lh     =  73.83391 +/- 3.1746 deg
  Bh     = +64.22555 +/- 0.7690 deg
  Vh_x   =  -4.77674 +/- 0.9679 km/s
  Vh_y   = -16.47806 +/- 0.1067 km/s
  Vh_z   = -35.53023 +/- 0.7066 km/s
Orbit:
  La Sun = 137.324336 +/- 0.0000 deg
  a      =   4.585619 +/- 1.3420 AU
  e      =   0.788375 +/- 0.0473
  i      = 113.369005 +/- 1.2964 deg
  peri   = 154.561313 +/- 1.2919 deg
  node   = 137.323410 +/- 0.0001 deg
  Pi     = 291.884723 +/- 1.2918 deg
  q      =   0.970430 +/- 0.0057 AU
  f      =  25.434616 +/- 1.2919 deg
  M      =   1.906818 +/- 0.5863 deg
  Q      =   8.200808 +/- 2.6890 AU
  n      =   0.100371 +/- 0.0319 deg/day
  T      =   9.819686 +/- 4.7930 years
  Last perihelion JD = 2459417.518896 (2021-07-22 00:27:12.648236) +/- 0.6942 days
  Tj     =   0.676800 +/- 0.2305
Shower association:
  IAU No.  =    7
  IAU code =  PER

Orbit covariance matrix:
             e     ,     q (AU)   ,      Tp (JD) ,   node (rad) ,   peri (rad) ,    i (rad)
e   , +2.298896e-03, -2.439098e-04, -2.003799e-02, +8.212815e-08, -8.573262e-04, -1.073742e-03
q   , -2.439098e-04, +3.398406e-05, +3.773829e-03, -9.589376e-09, +1.325234e-04, +1.253364e-04
Tp  , -2.003799e-02, +3.773829e-03, +5.121346e-01, -8.917543e-07, +1.596895e-02, +1.164566e-02
node, +8.212815e-08, -9.589376e-09, -8.917543e-07, +3.118095e-12, -3.507993e-08, -4.075021e-08
peri, -8.573262e-04, +1.325234e-04, +1.596895e-02, -3.507993e-08, +5.337198e-04, +4.583406e-04
i   , -1.073742e-03, +1.253364e-04, +1.164566e-02, -4.075021e-08, +4.583406e-04, +5.326046e-04

Jacchia fit on lag = -|a1|*exp(|a2|*t):
 a1 = 13.134860
 a2 = 7.501990

Mean time residuals from time vs. length:
  Station with reference time: UK001L
  Avg. res. = 9.860e-06 s
  Stddev    = 3.14e-03 s

Begin point on the trajectory:
  Lon =    -4.770047 +/- 0.0048 deg
  Lat =    54.205300 +/- 0.0034 deg
  Ht  = 108586.30 +/- 142.74 m
End point on the trajectory:
  Lon =    -5.018779 +/- 0.0017 deg
  Lat =    54.095380 +/- 0.0020 deg
  Ht  = 86892.06 +/- 85.81 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
    UK001L,   False,    -1.306160,    51.883100,   80.00,  17.367077,   6.737204,   108586.30,    88388.51,          0.015065,     61.56,     73.60,              79.71, 1.0000,    True,    True, {"ff_name": "FF_UK001L_20210810_002240_765_0349696.fits"}
    UK001Z,   False,    -2.949729,    50.877448,   82.00,   0.872402,  13.323166,   100147.54,    86892.06,          0.010095,     59.87,     37.58,              64.48, 1.0000,    True,    True, {"ff_name": "FF_UK001Z_20210810_002239_326_0361984.fits"}
    UK003F,    True,    -1.802002,    51.351948,  130.00, 123.415939,   2.037403,    98685.39,    85314.40,          0.123910,       nan,       nan,              73.86, 0.0000,    True,    True, {"ff_name": "FF_UK003F_20210810_002247_853_0365824.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,     UK001L,       0,  0.000000, 2459436.515840730630, 199.98660,  41.57907,              319.40929,  15.65515,       319.42081,       15.64452,    199.98660,     +41.57907,     199.96646,      +41.57606,  2897337.28, -2462217.36,  5238263.24,      54.205300,       -4.770047,  108586.30,  366745.99,       0.00,               19.02,   181.25,      0.00,           57462.40,     75.45,     63.12,          55.33,  +2.19,  -0.63
  1,     UK001L,       0,  0.040216, 2459436.515841196291, 200.03227,  41.22901,              319.18431,  15.37815,       319.16923,       15.39204,    200.03227,     +41.22901,     200.05866,      +41.23293,  2896381.82, -2463029.51,  5236381.60,      54.197023,       -4.788866,  106941.99,  366390.64,    2261.21,             2280.23,    80.14,  56226.52,           57462.40,    -98.57,    -82.55,          72.38,  +1.42,  -1.40
  2,     UK001L,       0,  0.080380, 2459436.515841661021, 200.16505,  40.90050,              318.91402,  15.15466,       318.92420,       15.14529,    200.16505,     +40.90050,     200.14776,      +40.89787,  2895450.87, -2463820.82,  5234548.23,      54.188952,       -4.807207,  105340.21,  366057.76,    4464.40,             4483.42,   -75.93,  54855.03,           57462.40,     66.55,     55.67,          48.89,  +0.84,  -1.98
  3,     UK001L,       0,  0.120588, 2459436.515842126217, 200.27774,  40.52158,              318.62884,  14.88078,       318.64653,       14.86453,    200.27774,     +40.52158,     200.24779,      +40.51704,  2894394.61, -2464718.65,  5232468.08,      54.179786,       -4.827997,  103523.23,  365694.88,    6964.16,             6983.19,    61.98,  62170.74,           57462.40,    115.50,     96.58,          84.92,  +0.59,  -2.23
  4,     UK001L,       0,  0.160808, 2459436.515842591878, 200.32491,  40.16372,              318.39895,  14.59806,       318.39104,       14.60532,    200.32491,     +40.16372,     200.33913,      +40.16574,  2893422.51, -2465544.95,  5230553.66,      54.171342,       -4.847146,  101851.40,  365376.38,    9264.76,             9283.78,     0.03,  57200.33,           57794.09,    -51.58,    -43.18,          37.98,  +0.33,  -2.48
  5,     UK001L,       0,  0.201008, 2459436.515843057074, 200.42579,  39.80329,              318.13196,  14.33530,       318.12873,       14.33825,    200.42579,     +39.80329,     200.43212,      +39.80411,  2892423.67, -2466393.97,  5228586.59,      54.162659,       -4.866820,  100133.97,  365063.80,   11628.64,            11647.66,     2.52,  58802.88,           58032.94,    -20.99,    -17.57,          15.47,  +0.20,  -2.61
  6,     UK001L,       0,  0.241208, 2459436.515843522269, 200.51828,  39.44176,              317.86995,  14.06834,       317.86711,       14.07094,    200.51828,     +39.44176,     200.52412,      +39.44248,  2891426.70, -2467241.41,  5226623.20,      54.153984,       -4.886459,   98420.16,  364766.90,   13988.09,            14007.11,     0.59,  58692.75,           58188.92,    -18.54,    -15.51,          13.67,  +0.11,  -2.70
  7,     UK001L,       0,  0.281404, 2459436.515843987465, 200.60867,  39.08772,              317.61352,  13.80701,       317.61146,       13.80889,    200.60867,     +39.08772,     200.61332,      +39.08824,  2890451.90, -2468070.00,  5224703.47,      54.145495,       -4.905667,   96744.82,  364491.38,   16295.07,            16314.09,   -53.57,  57393.26,           58187.61,    -13.39,    -11.21,           9.88,  +0.14,  -2.67
  8,     UK001L,       0,  0.321556, 2459436.515844452195, 200.71457,  38.78810,              317.37659,  13.59826,       317.39241,       13.58380,    200.71457,     +38.78810,     200.68932,      +38.78414,  2889616.72, -2468779.91,  5223058.70,      54.138216,       -4.922149,   95309.73,  364267.92,   18271.61,            18290.64,  -435.58,  49226.65,           57590.40,    102.94,     86.07,          75.98,  -0.09,  -2.90
  9,     UK001L,       0,  0.361796, 2459436.515844917856, 200.77127,  38.38704,              317.11707,  13.28346,       317.10872,       13.29109,    200.77127,     +38.38704,     200.78675,      +38.38913,  2888532.80, -2469701.25,  5220924.08,      54.128760,       -4.943493,   93447.67,  363991.54,   20836.84,            20855.86,  -234.08,  63748.22,           57622.49,    -54.33,    -45.48,          40.15,  +0.14,  -2.67
 10,     UK001L,       0,  0.401980, 2459436.515845383052, 200.87962,  38.03322,              316.84852,  13.03037,       316.85291,       13.02636,    200.87962,     +38.03322,     200.87398,      +38.03213,  2887555.00, -2470532.39,  5218998.44,      54.120223,       -4.962766,   91768.29,  363758.39,   23150.93,            23169.95,  -280.44,  57587.20,           57638.39,     28.57,     23.90,          21.12,  -0.03,  -2.83
 11,     UK001L,       0,  0.442180, 2459436.515845848247, 200.94873,  37.68577,              316.61024,  12.76627,       316.60602,       12.77012,    200.94873,     +37.68577,     200.95757,      +37.68682,  2886610.60, -2471335.14,  5217138.57,      54.111970,       -4.981388,   90146.64,  363547.37,   25385.96,            25404.98,  -406.78,  55597.90,           57569.08,    -27.40,    -22.93,          20.27,  +0.10,  -2.70
 12,     UK001L,       0,  0.482360, 2459436.515846313443, 201.07988,  37.31707,              316.31771,  12.51075,       316.33865,       12.49168,    201.07988,     +37.31707,     201.04735,      +37.31193,  2885586.48, -2472205.65,  5215121.72,      54.103012,       -5.001570,   88388.51,  363333.38,   27809.66,            27828.68,  -343.28,  60321.00,           57617.87,    136.01,    113.67,         100.63,  +0.24,  -2.56
  0,     UK001Z,       1,  0.162264, 2459436.515842603520, 169.84891,  49.08305,              341.37297,  12.86548,       341.40499,       12.83346,    169.84891,     +49.08305,     169.78921,      +49.06217,  2893485.04, -2465491.80,  5230676.80,      54.171886,       -4.845930,  101958.92,  404569.95,       0.00,             9135.80,  -233.50,      0.00,           58914.14,    168.05,    267.40,         161.02,  +4.27,  +1.24
  1,     UK001Z,       0,  0.202404, 2459436.515843067784, 170.01983,  48.77389,              341.16570,  12.60602,       341.16526,       12.60647,    170.01983,     +48.77389,     170.02152,      +48.77418,  2892431.56, -2466387.27,  5228602.13,      54.162728,       -4.866669,  100147.54,  403588.21,    2493.18,            11628.98,   -98.18,  62112.14,           58914.14,     -2.34,     -3.73,           2.25,  +2.01,  -1.02
  2,     UK001Z,       0,  0.242496, 2459436.515843532048, 170.27810,  48.49940,              340.91229,  12.39802,       340.92856,       12.38178,    170.27810,     +48.49940,     170.24869,      +48.48891,  2891394.70, -2467268.60,  5226560.19,      54.153706,       -4.887087,   98365.16,  402634.83,    4947.02,            14082.82,     0.63,  61205.26,           58914.14,     84.92,    135.24,          81.81,  +1.61,  -1.41
  3,     UK001Z,       0,  0.282600, 2459436.515843995847, 170.45448,  48.24613,              340.71745,  12.19399,       340.72408,       12.18737,    170.45448,     +48.24613,     170.44331,      +48.24188,  2890502.37, -2468027.09,  5224802.87,      54.145935,       -4.904684,   96831.55,  401825.11,    7058.83,            16194.63,  -243.30,  52658.31,           58914.14,     34.53,     55.01,          33.34,  +1.18,  -1.84
  4,     UK001Z,       0,  0.322724, 2459436.515844460577, 170.65986,  47.94256,              340.48685,  11.94879,       340.48057,       11.95504,    170.65986,     +47.94256,     170.67286,      +47.94657,  2889441.41, -2468928.92,  5222713.45,      54.136687,       -4.925577,   95008.55,  400874.09,    9569.73,            18705.53,   -89.32,  62578.48,           59098.06,    -32.60,    -51.98,          31.57,  +1.22,  -1.80
  5,     UK001Z,       0,  0.362832, 2459436.515844924841, 170.89121,  47.64748,              340.24102,  11.71785,       340.23690,       11.72195,    170.89121,     +47.64748,     170.90034,      +47.65010,  2888382.91, -2469828.66,  5220628.90,      54.127452,       -4.946424,   93190.23,  399938.83,   12074.79,            21210.59,    59.76,  62457.74,           59630.51,    -21.36,    -34.05,          20.73,  +1.33,  -1.68
  6,     UK001Z,       0,  0.402908, 2459436.515845388640, 171.07732,  47.42132,              340.04607,  11.54327,       340.04811,       11.54124,    171.07732,     +47.42132,     171.07525,      +47.42003,  2887566.47, -2470522.64,  5219021.03,      54.120323,       -4.962544,   91787.99,  399227.62,   14006.99,            23142.80,  -362.12,  48213.60,           58598.58,     10.54,     16.79,          10.24,  +0.88,  -2.13
  7,     UK001Z,       0,  0.443008, 2459436.515845852438, 171.26730,  47.15786,              339.83570,  11.33469,       339.83435,       11.33603,    171.26730,     +47.15786,     171.27163,      +47.15870,  2886643.41, -2471307.25,  5217203.19,      54.112257,       -4.980748,   90202.96,  398432.84,   16191.53,            25327.33,  -533.09,  54477.18,           57825.12,     -6.96,    -11.10,           6.78,  +0.75,  -2.25
  8,     UK001Z,       0,  0.483124, 2459436.515846317168, 171.47055,  46.86039,              339.60462,  11.09739,       339.59570,       11.10625,    171.47055,     +46.86039,     171.48885,      +46.86596,  2885614.85, -2472181.54,  5215177.59,      54.103260,       -5.001017,   88437.20,  397559.13,   18625.74,            27761.54,  -455.32,  60679.31,           57654.42,    -45.90,    -73.18,          44.82,  +1.22,  -1.78
  9,     UK001Z,       0,  0.523204, 2459436.515846780967, 171.68391,  46.61102,              339.38168,  10.90851,       339.38609,       10.90413,    171.68391,     +46.61102,     171.67806,      +46.60828,  2884714.62, -2472946.74,  5213404.71,      54.095380,       -5.018779,   86892.06,  396805.67,   20756.24,            29892.04,  -679.15,  53156.20,           57322.34,     22.70,     36.16,          22.19,  +0.84,  -2.15
 10,     UK001Z,       1,  0.563356, 2459436.515847245697, 171.64495,  46.39504,              339.33645,  10.69545,       339.25406,       10.77710,    171.64495,     +46.39504,     171.79674,      +46.44609,  2884151.11, -2473425.73,  5212294.97,      54.090444,       -5.029961,   85924.95,  396340.69,   22089.84,            31225.64, -1704.11,  33213.85,           56043.92,   -421.36,   -674.56,         413.92,  +5.18,  +2.19
  0,     UK003F,       1,  0.239386, 2459436.515843501315, 188.93850,  43.52883,              327.43516,  13.01574,       327.51896,       12.93431,    188.93850,     +43.52883,     188.78771,      +43.49447,  2891581.01, -2467110.24,  5226927.09,      54.155328,       -4.883437,   98685.39,  390385.33,       0.00,            13641.91,  -257.59,      0.00,           59452.91,    532.17,    578.12,         415.17,  +1.14,  -1.82
  1,     UK003F,       1,  0.279606, 2459436.515843966976, 189.08820,  43.22838,              327.19325,  12.80008,       327.28744,       12.70864,    189.08820,     +43.22838,     188.91952,      +43.18996,  2890641.27, -2467909.03,  5225076.41,      54.147145,       -4.901960,   97070.24,  389885.94,    2224.01,            15865.91,  -396.14,  55296.01,           59452.91,    597.53,    648.77,         466.62,  +1.06,  -1.89
  2,     UK003F,       1,  0.319826, 2459436.515844432171, 189.17840,  42.93991,              326.99609,  12.57523,       327.07375,       12.49990,    189.17840,     +42.93991,     189.04029,      +42.90837,  2889774.98, -2468645.38,  5223370.38,      54.139596,       -4.919050,   95581.63,  389436.81,    4274.18,            17916.09,  -708.51,  50974.12,           59452.91,    491.90,    534.50,         384.74,  +4.17,  +1.22
  3,     UK003F,       1,  0.360106, 2459436.515844898298, 189.40551,  42.53629,              326.65257,  12.29557,       326.75974,       12.19174,    189.40551,     +42.53629,     189.21571,      +42.49308,  2888500.42, -2469728.77,  5220860.32,      54.128478,       -4.944118,   93392.07,  388791.90,    7290.58,            20932.48,   -58.20,  74885.56,           59452.91,    678.25,    735.89,         530.94,  +2.23,  -0.72
  4,     UK003F,       1,  0.400398, 2459436.515845364891, 189.51215,  42.15982,              326.40177,  11.99923,       326.48363,       11.92001,    189.51215,     +42.15982,     189.36849,      +42.12700,  2887381.34, -2470680.00,  5218656.45,      54.118706,       -4.966152,   91470.12,  388244.96,    9939.01,            23580.92,   223.45,  65731.07,           61972.29,    516.98,    561.59,         405.53,  +1.18,  -1.77
  5,     UK003F,       1,  0.440598, 2459436.515845830087, 189.64527,  41.88077,              326.17932,  11.79855,       326.27071,       11.71016,    189.64527,     +41.88077,     189.48549,      +41.84429,  2886520.25, -2471411.94,  5216960.64,      54.111180,       -4.983147,   89991.53,  387837.39,   11976.90,            25618.81,  -100.03,  50693.83,           61082.25,    576.76,    626.22,         452.78,  -0.04,  -2.98
  6,     UK003F,       1,  0.480810, 2459436.515846295748, 189.76813,  41.59011,              325.95788,  11.58439,       326.05167,       11.49375,    189.76813,     +41.59011,     189.60495,      +41.55285,  2885634.71, -2472164.65,  5215216.71,      54.103434,       -5.000621,   88471.30,  387428.89,   14072.62,            27714.53,  -366.40,  52116.62,           59804.68,    591.33,    641.94,         464.67,  -0.26,  -3.20
  7,     UK003F,       1,  0.521074, 2459436.515846761409, 189.89213,  41.23236,              325.70330,  11.31167,       325.78674,       11.23111,    189.89213,     +41.23236,     189.74807,      +41.19938,  2884563.14, -2473075.50,  5213106.40,      54.094053,       -5.021732,   86632.14,  386947.90,   16608.62,            30250.53,  -195.54,  62984.34,           59537.22,    525.31,    570.54,         413.41,  -0.25,  -3.19
  8,     UK003F,       1,  0.561254, 2459436.515847226605, 190.01127,  40.98200,              325.50291,  11.13249,       325.59641,       11.04228,    190.01127,     +40.98200,     189.85034,      +40.94520,  2883795.24, -2473728.22,  5211594.14,      54.087325,       -5.036910,   85314.40,  386614.96,   18425.94,            32067.85,  -738.42,  45229.61,           58460.22,    588.23,    638.54,         463.19,  +0.95,  -1.99

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.