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
2017-04-17 10:21:36 C 15 04 08.97 +20 45 06.0 q 703
2017-04-17 12:50:46 C 15 03 57.35 +20 45 49.9 L T08
2017-04-17 13:00:58 C 15 03 56.54 +20 45 52.5 L T08
2017-04-17 13:25:31 C 15 03 54.50 +20 45 58.5 L T08
2017-04-17 13:47:59 C 15 03 52.89 +20 46 04.3 L T08
2017-04-20 01:11:41 C 14 59 03.50 +21 01 02.1 U 160
2017-04-20 01:14:41 C 14 59 03.17 +21 01 04.1 U 160
2017-04-20 01:17:41 C 14 59 03.01 +21 01 05.8 U 160
2017-04-21 00:47:11 C 14 57 02.87 +21 06 14.2 q 160
2017-04-21 00:50:07 C 14 57 02.61 +21 06 14.8 q 160
2017-04-21 00:53:03 C 14 57 02.35 +21 06 15.6 q 160
2017-04-21 07:42:53 C 14 56 27.00 +21 07 42.2 q G96
2017-04-21 07:49:03 C 14 56 26.44 +21 07 43.5 q G96
2017-04-21 07:55:11 C 14 56 25.90 +21 07 44.8 q G96
2017-04-21 08:01:18 C 14 56 25.35 +21 07 46.0 q G96
2017-04-21 16:54:20 C 14 55 38.70 +21 09 32.7 q D29
2017-04-21 17:14:39 C 14 55 36.88 +21 09 36.8 q D29
2017-04-21 17:34:58 C 14 55 35.05 +21 09 40.3 q D29
2017-04-23 23:49:34 C 14 50 41.11 +21 18 54.0 q 160
2017-04-23 23:52:31 C 14 50 40.84 +21 18 54.4 q 160
2017-04-23 23:55:17 C 14 50 40.56 +21 18 54.8 q 160
2017-04-25 09:01:59 C 14 47 33.55 +21 23 10.4 q 703
2017-04-25 09:15:13 C 14 47 32.15 +21 23 11.3 q 703
2017-04-25 09:22:18 C 14 47 31.48 +21 23 12.8 q 703
2017-04-25 09:29:24 C 14 47 30.78 +21 23 14.2 q 703
2017-04-27 07:39:49 C 14 43 01.76 +21 27 10.8 q 703
2017-04-27 07:47:43 C 14 43 00.89 +21 27 10.4 q 703
2017-04-27 07:55:32 C 14 43 00.09 +21 27 11.1 q 703
2017-04-27 08:03:18 C 14 42 59.31 +21 27 11.4 q 703
2017-04-28 15:12:18 C 14 39 52.54 +21 28 29.3 q D29
2017-04-28 15:33:57 C 14 39 50.27 +21 28 29.2 q D29
2017-04-28 15:55:35 C 14 39 48.06 +21 28 30.2 q D29
2017-04-28 22:18:25 C 14 39 09.35 +21 28 35.4 q 160
2017-04-28 22:20:47 C 14 39 09.10 +21 28 35.4 q 160
2017-04-28 22:23:34 C 14 39 08.79 +21 28 35.2 q 160
2017-04-29 22:41:38 C 14 36 39.59 +21 28 35.5 U 160
2017-04-29 22:44:35 C 14 36 39.32 +21 28 36.3 U 160
2017-04-29 22:47:30 C 14 36 39.02 +21 28 36.3 U 160
2017-05-03 00:05:36 C 14 28 57.40 +21 24 11.5 q J27
2017-05-03 00:15:08 C 14 28 56.35 +21 24 10.2 q J27
2017-05-03 00:25:22 C 14 28 55.24 +21 24 09.3 q J27
2017-05-03 06:53:24 C 14 28 13.91 +21 23 27.1 q G96
2017-05-03 06:59:23 C 14 28 13.26 +21 23 26.4 q G96
2017-05-03 07:05:22 C 14 28 12.59 +21 23 25.6 q G96
2017-05-03 07:11:19 C 14 28 11.95 +21 23 24.4 q G96
2017-05-04 05:39:27 C 14 25 47.43 +21 20 27.7 q 703
2017-05-04 05:47:11 C 14 25 46.59 +21 20 26.5 q 703
2017-05-04 05:54:55 C 14 25 45.73 +21 20 25.4 q 703
2017-05-04 06:02:38 C 14 25 44.88 +21 20 24.4 q 703
2017-05-05 07:06:47 C 14 23 01.75 +21 16 17.5 q H45
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)