163696 (2003 EB50)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5189164089 ± 5.62e-09
Semi-major axis (a)1.5710103633 AU ± 8.42e-10
Inclination (i)29.50238450° ± 1.44e-06
Long. of Asc. Node (Ω)65.60551846° ± 5.61e-07
Arg. of Perihelion (ω)278.95596979° ± 8.51e-07
Mean Anomaly (M)49.35443266° ± 1.24e-06
Mean Motion (n)0.5005456613°/day ± 4.02e-10
Perihelion dist (q)0.75578731 AU ± 8.85e-09
Aphelion dist (Q)2.38623342 AU ± 8.93e-09
Orbital Period1.96910364 yr ± 1.58e-09
Physical Parameters
H (abs. magnitude)16.53
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.454″
Uncertainty0
Orbit TypeApollo
MOID0.052853 AU
Observations Used5959
Radar Obs Used14
Gaia Obs Used95
Oppositions7
Arc Total2003-2017
First Observation Used2003-03-10
Last Observation Used2026-01-01
Observations (8774)
Date Type RA Dec Mag Band Observatory
2021-11-09 15:33:56 s 1 +163602.67 4 +233237.10 7500.0 C57
2021-11-09 15:43:56 S 09 13 50.496 +25 01 38.68 V C57
2021-11-09 15:43:56 s 1 +163434.87 4 +233819.85 5100.0 C57
2021-11-09 15:53:56 S 09 13 50.849 +25 02 05.17 V C57
2021-11-09 15:53:56 s 1 +163266.11 8 +234401.24 9370.0 C57
2021-11-09 16:03:56 S 09 13 51.286 +25 02 26.88 V C57
2021-11-09 16:03:56 s 1 +163096.41 1 +234981.27 340.0 C57
2021-11-09 16:13:56 S 09 13 51.451 +25 02 55.46 V C57
2021-11-09 16:13:56 s 1 +162925.75 8 +235559.95 8020.0 C57
2021-11-09 16:33:56 S 09 13 52.615 +25 03 44.96 V C57
2021-11-09 16:33:56 s 1 +162581.62 8 +236713.24 3570.0 C57
2021-11-09 16:43:56 S 09 13 52.577 +25 04 13.80 V C57
2021-11-09 16:43:56 s 1 +162408.16 1 +237287.86 1470.0 C57
2021-11-09 16:53:56 S 09 13 52.793 +25 04 43.46 V C57
2021-11-09 16:53:56 s 1 +162233.76 5 +237861.13 6140.0 C57
2021-11-09 17:03:56 S 09 13 53.184 +25 05 05.82 V C57
2021-11-09 17:03:56 s 1 +162058.44 4 +238433.06 7600.0 C57
2021-11-09 17:13:56 S 09 13 53.578 +25 05 36.17 V C57
2021-11-09 17:13:56 s 1 +161882.20 4 +239003.64 5860.0 C57
2021-11-09 17:23:56 S 09 13 53.921 +25 05 57.23 V C57
2021-11-09 17:23:56 s 1 +161705.04 7 +239572.88 940.0 C57
2021-11-09 17:33:56 S 09 13 54.067 +25 06 27.00 V C57
2021-11-09 17:33:56 s 1 +161526.97 8 +240140.77 2850.0 C57
2021-11-09 17:43:56 S 09 13 54.492 +25 06 53.17 V C57
2021-11-09 17:43:56 s 1 +161348.00 2 +240707.33 1610.0 C57
2021-11-09 17:53:56 S 09 13 54.806 +25 07 20.24 V C57
2021-11-09 17:53:56 s 1 +161168.12 3 +241272.54 7230.0 C57
2021-11-09 18:03:56 S 09 13 55.111 +25 07 45.05 V C57
2021-11-09 18:03:56 s 1 +160987.34 5 +241836.42 9730.0 C57
2021-11-09 18:13:56 S 09 13 55.375 +25 08 12.44 V C57
2021-11-09 18:13:56 s 1 +160805.67 2 +242398.97 9130.0 C57
2021-11-09 18:23:56 S 09 13 55.858 +25 08 35.45 V C57
2021-11-09 18:23:56 s 1 +160623.10 9 +242960.18 5430.0 C57
2021-11-09 18:33:56 S 09 13 55.968 +25 09 02.92 V C57
2021-11-09 18:33:56 s 1 +160439.65 9 +243520.06 8650.0 C57
2021-11-09 18:43:56 S 09 13 56.498 +25 09 31.28 V C57
2021-11-09 18:43:56 s 1 +160255.32 6 +244078.61 8810.0 C57
2021-11-09 18:53:56 S 09 13 56.640 +25 09 54.86 V C57
2021-11-09 18:53:56 s 1 +160070.11 5 +244635.82 5920.0 C57
2021-11-09 19:03:56 S 09 13 56.870 +25 10 18.41 V C57
2021-11-09 19:03:56 s 1 +159884.03 1 +245191.72 0.0 C57
2021-11-09 19:13:56 S 09 13 57.406 +25 10 47.50 V C57
2021-11-09 19:13:56 s 1 +159697.07 5 +245746.28 1060.0 C57
2021-11-09 19:23:56 S 09 13 57.691 +25 11 14.21 V C57
2021-11-09 19:23:56 s 1 +159509.25 4 +246299.52 9110.0 C57
2021-11-09 19:33:56 S 09 13 57.967 +25 11 38.51 V C57
2021-11-09 19:33:56 s 1 +159320.57 1 +246851.44 4170.0 C57
2021-11-09 19:43:56 S 09 13 58.313 +25 12 03.60 V C57
2021-11-09 19:43:56 s 1 +159131.02 9 +247402.04 6250.0 C57
2021-11-09 19:53:56 S 09 13 58.570 +25 12 30.38 V C57
Radar Observations (14)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2015-11-29 04:30:00 29690.493 1 Hz 8560 -14 -14
2015-12-03 05:00:00 -516645.45 1 Hz 8560 -14 -14
2015-12-03 05:50:00 135344787.04 10 us 8560 -14 -14
2015-12-03 06:50:00 135567345.78 3 us 8560 -14 -14
2015-12-04 23:45:00 -192751.0704 0.1 Hz 2380 -1 -1
2015-12-05 00:08:00 146143531.01 4 us 2380 -1 -1
2015-12-05 23:18:00 -215805.2279 0.1 Hz 2380 -1 -1
2015-12-05 23:50:00 153531055.91 0.5 us 2380 -1 -1
2015-12-08 01:00:00 171291146.51 1 us 2380 -1 -1
2015-12-09 01:00:00 180935553.24 1 us 2380 -1 -1
2017-11-16 10:20:00 551171.3 0.2 Hz 8560 -14 -14
2017-11-17 09:40:00 463067.169 0.2 Hz 8560 -14 -14
2017-11-17 10:40:00 102430712.59 10 us 8560 -14 -14
2017-11-17 11:00:00 102367215.7 3 us 8560 -14 -14
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)