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
2021-10-31 15:13:57 S 09 06 51.737 +15 53 01.36 V C57
2021-10-31 15:23:57 S 09 06 52.418 +15 53 28.54 V C57
2021-10-31 15:33:57 S 09 06 52.718 +15 53 51.47 V C57
2021-10-31 15:43:57 S 09 06 53.057 +15 54 14.47 V C57
2021-10-31 15:53:57 S 09 06 53.321 +15 54 42.37 V C57
2021-10-31 16:03:57 S 09 06 53.568 +15 55 04.62 V C57
2021-10-31 16:13:57 S 09 06 53.981 +15 55 30.32 V C57
2021-10-31 16:23:57 S 09 06 54.274 +15 55 53.80 V C57
2021-10-31 16:33:56 S 09 06 54.684 +15 56 21.62 V C57
2021-10-31 16:43:57 S 09 06 54.924 +15 56 46.25 V C57
2021-10-31 16:53:57 S 09 06 55.152 +15 57 10.55 V C57
2021-10-31 17:03:57 S 09 06 55.570 +15 57 36.65 V C57
2021-10-31 17:13:57 S 09 06 55.546 +15 57 58.79 V C57
2021-10-31 17:23:57 S 09 06 56.102 +15 58 24.42 V C57
2021-10-31 17:33:57 S 09 06 56.304 +15 58 48.94 V C57
2021-10-31 17:43:57 S 09 06 56.650 +15 59 16.55 V C57
2021-10-31 17:53:57 S 09 06 56.978 +15 59 40.49 V C57
2021-10-31 18:03:56 S 09 06 57.305 +16 00 06.44 V C57
2021-10-31 18:13:57 S 09 06 57.737 +16 00 31.82 V C57
2021-10-31 18:23:57 S 09 06 57.994 +16 00 56.02 V C57
2021-10-31 18:33:57 S 09 06 58.202 +16 01 22.98 V C57
2021-10-31 18:43:57 S 09 06 58.577 +16 01 43.39 V C57
2021-10-31 18:53:57 S 09 06 59.050 +16 02 10.75 V C57
2021-10-31 19:03:57 S 09 06 59.237 +16 02 36.78 V C57
2021-10-31 19:13:56 S 09 06 59.539 +16 03 01.66 V C57
2021-10-31 19:23:57 S 09 06 59.705 +16 03 26.50 V C57
2021-10-31 19:23:57 s 1 -10098.694 0 +372662.02 4040.0 C57
2021-10-31 19:33:56 S 09 07 00.348 +16 03 45.22 V C57
2021-10-31 19:33:56 s 1 -10462.326 0 +372610.53 5390.0 C57
2021-10-31 19:53:57 S 09 07 00.910 +16 04 40.69 V C57
2021-10-31 19:53:57 s 1 -11189.465 0 +372504.42 7370.0 C57
2021-10-31 20:03:57 S 09 07 01.006 +16 05 06.86 V C57
2021-10-31 20:03:57 s 1 -11552.969 0 +372449.81 8000.0 C57
2021-10-31 20:13:57 S 09 07 01.459 +16 05 29.51 V C57
2021-10-31 20:13:57 s 1 -11916.429 0 +372394.16 8380.0 C57
2021-10-31 20:23:57 S 09 07 01.538 +16 05 56.58 V C57
2021-10-31 20:23:57 s 1 -12279.843 0 +372337.46 8510.0 C57
2021-10-31 20:33:57 S 09 07 01.855 +16 06 19.30 V C57
2021-10-31 20:33:57 s 1 -12643.210 0 +372279.73 8380.0 C57
2021-10-31 20:43:56 S 09 07 02.347 +16 06 43.49 V C57
2021-10-31 20:43:56 s 1 -13006.530 0 +372220.95 7990.0 C57
2021-10-31 20:53:57 S 09 07 02.570 +16 07 10.56 V C57
2021-10-31 20:53:57 s 1 -13369.800 0 +372161.14 7340.0 C57
2021-10-31 21:03:56 S 09 07 02.858 +16 07 35.94 V C57
2021-10-31 21:03:56 s 1 -13733.021 0 +372100.28 6430.0 C57
2021-10-31 21:13:57 S 09 07 03.098 +16 08 00.53 V C57
2021-10-31 21:13:57 s 1 -14096.191 0 +372038.38 5240.0 C57
2021-10-31 21:23:57 S 09 07 03.389 +16 08 22.99 V C57
2021-10-31 21:23:57 s 1 -14459.309 0 +371975.44 3780.0 C57
2021-10-31 21:33:57 S 09 07 03.638 +16 08 53.12 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)