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
2015-03-28 10:46:34 C 15 12 29.15 +21 07 08.6 q 703
2015-03-28 10:59:26 C 15 12 28.58 +21 07 15.0 q 703
2015-03-30 08:41:02 C 15 10 38.18 +21 28 32.9 q H21
2015-03-30 08:48:21 C 15 10 37.86 +21 28 36.3 q H21
2015-03-30 08:55:43 C 15 10 37.55 +21 28 40.1 q H21
2015-04-01 06:54:18 C 15 08 34.47 +21 49 47.7 u H21
2015-04-01 06:56:04 C 15 08 34.44 +21 49 48.7 u H21
2015-04-01 07:01:15 C 15 08 34.18 +21 49 51.3 u H21
2015-04-01 07:06:27 C 15 08 33.92 +21 49 53.5 u H21
2015-04-01 07:08:12 C 15 08 33.84 +21 49 54.0 u H21
2015-04-05 06:49:08 C 15 03 38.25 +22 32 17.6 u H21
2015-04-05 06:57:57 C 15 03 37.73 +22 32 21.4 u H21
2015-04-05 07:06:32 C 15 03 37.25 +22 32 25.0 u H21
2015-04-09 10:45:50 C 14 57 32.41 +23 13 12.5 q 703
2015-04-09 10:57:24 C 14 57 31.65 +23 13 14.7 q 703
2015-04-09 11:03:12 C 14 57 31.31 +23 13 17.9 q 703
2015-04-15 06:41:17 C 14 47 26.46 +24 01 33.6 q 703
2015-04-15 06:47:51 C 14 47 25.95 +24 01 35.7 q 703
2015-04-15 06:54:21 C 14 47 25.44 +24 01 38.2 q 703
2015-04-15 07:00:53 C 14 47 24.92 +24 01 39.8 q 703
2015-04-21 08:48:09 C 14 35 05.72 +24 36 21.5 q 703
2015-04-21 09:00:52 C 14 35 04.55 +24 36 24.9 q 703
2015-04-21 09:13:36 C 14 35 03.38 +24 36 26.6 q 703
2015-04-21 09:26:21 C 14 35 02.17 +24 36 29.3 q 703
2015-04-27 08:35:55 C 14 21 33.89 +24 49 59.7 q 703
2015-04-27 08:45:29 C 14 21 32.91 +24 49 59.6 q 703
2015-04-27 08:55:01 C 14 21 31.98 +24 50 01.0 q 703
2015-04-27 09:04:34 C 14 21 31.02 +24 49 59.8 q 703
2015-04-29 03:32:30 C 14 17 20.70 +24 49 27.9 u H21
2015-04-29 03:37:00 C 14 17 20.27 +24 49 27.7 u H21
2015-04-29 03:41:02 C 14 17 19.84 +24 49 28.0 u H21
2015-04-29 03:44:47 C 14 17 19.43 +24 49 28.0 u H21
2015-05-04 03:47:19 C 14 05 15.66 +24 35 56.7 u H21
2015-05-04 03:51:41 C 14 05 15.25 +24 35 56.2 u H21
2015-05-04 03:57:05 C 14 05 14.69 +24 35 55.2 u H21
2015-05-04 04:02:23 C 14 05 14.13 +24 35 54.0 u H21
2015-05-04 04:07:02 C 14 05 13.66 +24 35 53.0 u H21
2015-05-06 03:55:02 C 14 00 23.20 +24 25 22.8 u H21
2015-05-06 03:59:37 C 14 00 22.73 +24 25 21.9 u H21
2015-05-06 04:03:58 C 14 00 22.30 +24 25 21.0 u H21
2015-05-06 04:08:12 C 14 00 21.86 +24 25 19.7 u H21
2015-05-06 04:12:26 C 14 00 21.41 +24 25 18.8 u H21
2015-05-06 04:18:02 C 14 00 20.84 +24 25 17.3 u H21
2015-05-10 06:52:30 C 13 50 26.38 +23 54 17.5 q 703
2015-05-10 06:59:44 C 13 50 25.65 +23 54 15.4 q 703
2015-05-10 07:06:57 C 13 50 24.86 +23 54 12.1 q 703
2015-05-10 07:14:13 C 13 50 24.14 +23 54 09.9 q 703
2015-05-10 23:04:50 C 13 48 49.93 +23 47 58.1 q 160
2015-05-10 23:08:15 C 13 48 49.61 +23 47 56.8 q 160
2015-05-10 23:11:38 C 13 48 49.27 +23 47 55.3 q 160
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)