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
2015-05-11 22:50:13 C 13 46 29.56 +23 38 09.8 q 160
2015-05-11 22:53:43 C 13 46 29.19 +23 38 08.5 q 160
2015-05-20 06:35:14 C 13 27 54.96 +21 48 38.2 q 703
2015-05-20 06:46:10 C 13 27 54.00 +21 48 31.3 q 703
2015-05-20 06:57:07 C 13 27 53.02 +21 48 22.8 q 703
2015-05-20 07:08:04 C 13 27 52.08 +21 48 16.1 q 703
2015-05-26 04:48:11 C 13 16 23.29 +20 04 25.1 q 703
2015-05-26 04:59:03 C 13 16 22.40 +20 04 15.7 q 703
2015-05-26 05:09:55 C 13 16 21.49 +20 04 07.3 q 703
2015-05-26 05:20:47 C 13 16 20.73 +20 03 58.5 q 703
2015-06-05 07:40:34 C 13 00 48.945 +16 28 17.20 L F51
2015-06-05 07:59:22 C 13 00 47.907 +16 27 58.91 L F51
2015-06-05 08:18:14 C 13 00 46.866 +16 27 40.60 L F51
2015-06-05 08:37:03 C 13 00 45.831 +16 27 22.25 L F51
2015-06-14 04:53:37 C 12 51 38.50 +12 51 03.8 N I41
2015-06-14 05:13:19 C 12 51 37.73 +12 50 43.5 q 703
2015-06-14 05:20:33 C 12 51 37.48 +12 50 36.0 q 703
2015-06-14 05:27:48 C 12 51 37.27 +12 50 27.6 q 703
2015-06-14 05:30:56 C 12 51 37.15 +12 50 24.1 N I41
2015-06-14 05:35:03 C 12 51 37.02 +12 50 20.0 q 703
2015-06-15 04:53:34 C 12 50 51.95 +12 25 28.9 N I41
2015-06-15 05:34:09 C 12 50 50.60 +12 24 45.4 N I41
2015-06-19 05:51:04 C 12 48 14.22 +10 40 19.1 q 703
2015-06-19 05:55:33 C 12 48 14.04 +10 40 14.7 q 703
2015-06-19 06:00:02 C 12 48 13.90 +10 40 09.3 q 703
2015-06-19 06:04:32 C 12 48 13.78 +10 40 03.3 q 703
2015-11-29 06:13:38 S 23 46 10.188 -30 13 20.21 L C51
2015-11-29 07:48:04 S 23 46 50.155 -29 50 20.33 L C51
2015-11-29 10:57:07 S 23 48 09.307 -29 04 15.74 L C51
2015-11-29 17:30:46 C 23 50 51.07 -27 29 16.8 q 157
2015-11-29 17:31:24 C 23 50 51.31 -27 29 07.6 q 157
2015-11-29 17:32:03 C 23 50 51.57 -27 28 58.1 q 157
2015-11-29 17:32:41 C 23 50 51.81 -27 28 48.8 q 157
2015-11-29 17:33:20 C 23 50 52.05 -27 28 39.3 q 157
2015-11-29 17:33:58 C 23 50 52.31 -27 28 29.9 q 157
2015-11-29 17:34:36 C 23 50 52.56 -27 28 20.9 q 157
2015-11-30 03:10:35 C 23 54 38.35 -25 07 38.6 u 926
2015-11-30 03:12:12 C 23 54 38.95 -25 07 14.4 u 926
2015-11-30 03:13:50 C 23 54 39.55 -25 06 50.6 u 926
2015-11-30 03:15:14 C 23 54 40.06 -25 06 30.5 u 926
2015-11-30 03:16:52 C 23 54 40.66 -25 06 06.4 u 926
2015-11-30 03:18:29 C 23 54 41.26 -25 05 42.7 u 926
2015-12-02 03:40:42 C 00 11 31.21 -13 35 31.7 q 703
2015-12-02 03:49:21 C 00 11 33.77 -13 33 33.2 q 703
2015-12-02 03:58:24 C 00 11 36.47 -13 31 29.1 q 703
2015-12-02 04:07:04 C 00 11 39.04 -13 29 30.4 q 703
2015-12-02 17:10:02 C 00 15 40.43 -10 33 51.8 q K73
2015-12-02 18:16:12 C 00 15 59.18 -10 19 15.8 q K73
2015-12-03 06:54:10 C 00 19 37.16 -07 35 06.1 L T05
2015-12-03 07:16:48 C 00 19 43.17 -07 30 17.8 L T05
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)