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
2021-11-05 22:03:56 S 09 09 58.694 +21 09 09.32 V C57
2021-11-05 22:03:56 s 1 -133285.50 2 + 4565.222 6790.0 C57
2021-11-05 22:13:56 S 09 09 58.654 +21 09 43.99 V C57
2021-11-05 22:13:56 s 1 -132723.99 0 + 3540.151 3340.0 C57
2021-11-05 22:23:56 S 09 09 59.107 +21 10 08.90 V C57
2021-11-05 22:23:56 s 1 -132155.68 3 + 2514.893 5530.0 C57
2021-11-06 05:08:03 S 09 10 29.12 +21 27 42.2 L C51
2021-11-06 08:16:55 S 09 10 34.94 +21 35 43.2 L C51
2021-11-06 11:25:03 S 09 10 40.69 +21 43 41.9 L C51
2021-11-06 12:58:23 S 09 10 43.52 +21 47 38.3 L C51
2021-11-06 14:33:11 S 09 10 46.40 +21 51 40.6 L C51
2021-11-06 16:07:15 S 09 10 49.25 +21 55 39.8 L C51
2021-11-06 17:41:19 S 09 10 52.09 +21 59 39.1 L C51
2021-11-06 19:15:23 S 09 10 54.92 +22 03 38.8 L C51
2021-11-06 22:23:32 S 09 11 00.56 +22 11 37.8 L C51
2021-11-07 01:31:40 S 09 11 06.16 +22 19 37.0 L C51
2021-11-07 01:31:50 S 09 11 06.16 +22 19 38.0 L C51
2021-11-07 01:34:07 C 09 11 08.04 +22 19 33.2 o Z22
2021-11-07 01:50:04 C 09 11 08.56 +22 20 13.8 o Z22
2021-11-07 02:06:06 C 09 11 08.98 +22 20 55.0 o Z22
2021-11-07 10:36:49 C 09 11 23.63 +22 42 38.8 V 703
2021-11-07 10:43:04 C 09 11 23.78 +22 42 54.9 V 703
2021-11-07 10:49:19 C 09 11 23.94 +22 43 10.8 V 703
2021-11-07 10:55:34 C 09 11 24.09 +22 43 26.8 V 703
2021-11-07 13:30:05 C 09 11 28.77 +22 50 04.7 V T08
2021-11-07 13:34:45 C 09 11 28.89 +22 50 16.7 V T08
2021-11-07 13:44:03 C 09 11 29.13 +22 50 40.5 V T08
2021-11-07 13:58:59 C 09 11 29.49 +22 51 18.6 V T08
2021-11-08 01:13:56 S 09 12 20.659 +23 21 00.11 V C57
2021-11-08 01:13:56 s 1 +161989.16 3 +59725.788 3810.0 C57
2021-11-08 01:23:56 S 09 12 20.873 +23 21 18.43 V C57
2021-11-08 01:23:56 s 1 +162271.56 0 +60657.978 5900.0 C57
2021-11-08 01:33:56 S 09 12 21.458 +23 21 58.07 V C57
2021-11-08 01:33:56 s 1 +162550.12 3 +61588.742 4390.0 C57
2021-11-08 02:03:56 S 09 12 22.627 +23 23 11.00 V C57
2021-11-08 02:03:56 s 1 +163363.11 5 +64372.402 9280.0 C57
2021-11-08 02:13:56 S 09 12 23.215 +23 23 38.51 V C57
2021-11-08 02:13:56 s 1 +163626.64 5 +65297.386 4410.0 C57
2021-11-08 02:23:56 S 09 12 23.539 +23 24 00.36 V C57
2021-11-08 02:23:56 s 1 +163886.49 0 +66220.907 6470.0 C57
2021-11-08 02:43:56 S 09 12 24.379 +23 24 58.14 V C57
2021-11-08 02:43:56 s 1 +164395.23 8 +68063.533 1760.0 C57
2021-11-08 03:03:56 S 09 12 25.181 +23 25 44.36 V C57
2021-11-08 03:03:56 s 1 +164889.58 5 +69900.226 5990.0 C57
2021-11-08 03:23:56 S 09 12 25.994 +23 26 38.94 V C57
2021-11-08 03:23:56 s 1 +165369.75 2 +71730.940 9930.0 C57
2021-11-08 03:33:56 S 09 12 26.400 +23 27 05.44 V C57
2021-11-08 03:33:56 s 1 +165604.58 7 +72644.039 3300.0 C57
2021-11-08 03:43:56 S 09 12 26.885 +23 27 32.72 V C57
2021-11-08 03:43:56 s 1 +165835.95 7 +73555.627 4380.0 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)