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
2017-06-05 08:26:16 C 13 10 23.02 +13 05 48.0 L T08
2017-06-07 02:33:19 C 13 07 32.46 +12 21 22.4 u H21
2017-06-07 02:36:16 C 13 07 32.25 +12 21 19.3 u H21
2017-06-07 02:39:12 C 13 07 32.04 +12 21 16.3 u H21
2017-06-07 02:42:09 C 13 07 31.85 +12 21 13.3 u H21
2017-06-07 02:45:05 C 13 07 31.65 +12 21 10.3 u H21
2017-06-07 02:48:19 C 13 07 31.43 +12 21 06.8 u H21
2017-06-07 20:17:55 C 13 06 23.61 +12 02 20.8 q 160
2017-06-07 20:20:54 C 13 06 23.43 +12 02 17.2 q 160
2017-06-07 20:23:51 C 13 06 23.23 +12 02 14.2 q 160
2017-06-08 21:01:41 C 13 04 50.80 +11 35 31.7 q 160
2017-06-08 21:04:41 C 13 04 50.61 +11 35 28.1 q 160
2017-06-08 21:07:40 C 13 04 50.43 +11 35 25.4 q 160
2017-06-09 03:10:39 C 13 04 28.32 +11 28 49.7 u H21
2017-06-09 03:14:47 C 13 04 28.05 +11 28 45.2 u H21
2017-06-09 03:17:53 C 13 04 27.87 +11 28 42.0 u H21
2017-06-09 03:20:58 C 13 04 27.67 +11 28 38.3 u H21
2017-06-09 03:24:04 C 13 04 27.48 +11 28 35.0 u H21
2017-06-09 03:27:10 C 13 04 27.29 +11 28 31.9 u H21
2017-06-09 03:30:15 C 13 04 27.09 +11 28 28.2 u H21
2017-06-09 03:34:05 C 13 04 26.85 +11 28 24.2 u H21
2017-06-10 06:57:57 C 13 02 49.50 +10 58 15.5 L T08
2017-06-10 07:17:11 C 13 02 48.35 +10 57 56.2 L T08
2017-06-10 07:22:09 C 13 02 48.09 +10 57 49.9 L T08
2017-06-10 07:40:35 C 13 02 46.94 +10 57 28.9 L T08
2017-06-10 07:44:32 C 13 02 46.69 +10 57 24.8 L T08
2017-06-10 08:08:53 C 13 02 45.23 +10 56 57.8 L T08
2017-06-10 08:10:18 C 13 02 45.04 +10 56 55.4 L T08
2017-06-10 08:38:50 C 13 02 43.48 +10 56 24.4 L T08
2017-06-11 20:41:11 C 13 00 42.48 +10 16 01.4 q 160
2017-06-11 20:44:10 C 13 00 42.34 +10 15 58.1 q 160
2017-06-11 20:47:10 C 13 00 42.17 +10 15 54.7 q 160
2017-06-13 01:04:30 S 12 59 12.72 +09 43 57.6 L C51
2017-06-13 05:46:52 C 12 58 57.82 +09 38 29.9 q 703
2017-06-13 05:47:15 S 12 58 58.24 +09 38 34.4 L C51
2017-06-13 05:54:41 C 12 58 57.40 +09 38 21.2 q 703
2017-06-13 06:02:23 C 12 58 56.99 +09 38 12.6 q 703
2017-06-13 06:10:04 C 12 58 56.57 +09 38 03.5 q 703
2017-06-13 07:21:31 S 12 58 53.43 +09 36 46.1 L C51
2017-06-13 08:55:45 S 12 58 48.70 +09 34 59.3 L C51
2017-06-13 10:30:00 S 12 58 43.91 +09 33 11.2 L C51
2017-06-13 12:04:15 S 12 58 39.13 +09 31 22.9 L C51
2017-06-13 15:12:45 S 12 58 29.70 +09 27 47.7 L C51
2017-06-14 06:19:19 C 12 57 44.72 +09 10 24.2 L T08
2017-06-14 06:34:31 C 12 57 43.94 +09 10 06.9 L T08
2017-06-14 06:56:52 C 12 57 42.75 +09 09 40.6 L T08
2017-06-14 07:21:58 C 12 57 41.51 +09 09 12.1 L T08
2017-06-15 04:05:49 C 12 56 42.38 +08 45 10.8 q 703
2017-06-15 04:13:09 C 12 56 41.85 +08 45 01.8 q H45
2017-06-15 04:14:25 C 12 56 41.95 +08 45 00.6 q 703
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)