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
2021-10-23 16:23:57 S 08 58 35.611 +07 54 22.10 V C57
2021-10-23 16:23:57 s 1 -160872.99 9 +51506.872 9340.0 C57
2021-10-23 16:43:57 S 08 58 36.060 +07 55 12.32 V C57
2021-10-23 16:43:57 s 1 -160283.92 0 +49603.176 5710.0 C57
2021-10-23 16:53:57 S 08 58 36.655 +07 55 40.51 V C57
2021-10-23 16:53:57 s 1 -159983.14 5 +48649.378 7260.0 C57
2021-10-23 17:03:57 S 08 58 36.905 +07 56 03.23 V C57
2021-10-23 17:03:57 s 1 -159678.16 8 +47694.297 4240.0 C57
2021-10-23 17:13:57 S 08 58 37.049 +07 56 26.99 V C57
2021-10-23 17:13:57 s 1 -159368.95 6 +46737.944 6540.0 C57
2021-10-23 17:23:57 S 08 58 37.510 +07 56 47.76 V C57
2021-10-23 17:23:57 s 1 -159055.47 6 +45780.334 4030.0 C57
2021-10-23 17:33:57 S 08 58 37.788 +07 57 17.57 V C57
2021-10-23 17:33:57 s 1 -158737.69 4 +44821.480 6620.0 C57
2021-10-23 17:43:57 S 08 58 37.970 +07 57 41.94 V C57
2021-10-23 17:43:57 s 1 -158415.57 6 +43861.395 4170.0 C57
2021-10-23 17:53:57 S 08 58 38.383 +07 58 06.24 V C57
2021-10-23 17:53:57 s 1 -158089.08 6 +42900.093 6580.0 C57
2021-10-23 18:03:57 S 08 58 38.328 +07 58 27.88 V C57
2021-10-23 18:03:57 s 1 -157758.19 1 +41937.591 3720.0 C57
2021-10-23 18:13:57 S 08 58 38.868 +07 58 56.86 V C57
2021-10-23 18:13:57 s 1 -157422.85 4 +40973.901 5480.0 C57
2021-10-23 18:33:57 S 08 58 39.415 +07 59 44.92 V C57
2021-10-23 18:33:57 s 1 -156738.71 3 +39043.025 2350.0 C57
2021-10-23 18:43:57 S 08 58 39.490 +08 00 11.23 V C57
2021-10-23 18:43:57 s 1 -156389.83 7 +38075.870 7230.0 C57
2021-10-23 18:53:57 S 08 58 40.015 +08 00 34.38 V C57
2021-10-23 18:53:57 s 1 -156036.37 5 +37107.592 6230.0 C57
2021-10-23 19:03:57 S 08 58 40.330 +08 00 58.14 V C57
2021-10-23 19:03:57 s 1 -155678.29 1 +36138.209 9230.0 C57
2021-10-23 19:13:57 S 08 58 40.452 +08 01 19.78 V C57
2021-10-23 19:13:57 s 1 -155315.54 6 +35167.739 6110.0 C57
2021-10-23 19:23:57 S 08 58 40.879 +08 01 53.33 V C57
2021-10-23 19:23:57 s 1 -154948.10 3 +34196.199 6730.0 C57
2021-10-23 19:33:57 S 08 58 41.126 +08 02 12.95 V C57
2021-10-23 19:33:57 s 1 -154575.92 4 +33223.608 970.0 C57
2021-10-23 19:53:57 S 08 58 42.058 +08 03 06.62 V C57
2021-10-23 19:53:57 s 1 -153817.20 4 +31275.349 9790.0 C57
2021-10-23 20:03:57 S 08 58 42.245 +08 03 24.77 V C57
2021-10-23 20:03:57 s 1 -153430.58 4 +30299.721 4100.0 C57
2021-10-23 20:13:57 S 08 58 42.422 +08 03 44.21 V C57
2021-10-23 20:13:57 s 1 -153039.07 3 +29323.121 1500.0 C57
2021-10-23 20:23:57 S 08 58 42.451 +08 04 19.56 V C57
2021-10-23 20:23:57 s 1 -152642.63 0 +28345.571 1860.0 C57
2021-10-23 20:33:57 S 08 58 42.814 +08 04 43.54 V C57
2021-10-23 20:33:57 s 1 -152241.21 4 +27367.091 5040.0 C57
2021-10-23 20:43:57 S 08 58 43.157 +08 05 08.84 V C57
2021-10-23 20:43:57 s 1 -151834.78 6 +26387.705 900.0 C57
2021-10-23 20:53:57 S 08 58 43.502 +08 05 32.42 V C57
2021-10-23 20:53:57 s 1 -151423.30 4 +25407.434 9310.0 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)