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
2019-11-03 13:18:08 C 09 13 48.36 -01 06 47.1 V T05
2019-11-03 13:32:21 C 09 13 47.71 -01 05 45.3 V T05
2019-11-04 10:54:33 C 09 12 54.64 +00 27 38.1 V 703
2019-11-04 11:01:31 C 09 12 54.32 +00 28 08.5 V 703
2019-11-04 11:08:28 C 09 12 53.98 +00 28 39.2 V 703
2019-11-04 11:15:25 C 09 12 53.64 +00 29 10.1 V 703
2019-11-05 14:04:20 C 09 11 46.56 +02 28 19.4 V T08
2019-11-05 14:08:59 C 09 11 46.32 +02 28 40.2 V T08
2019-11-05 14:17:41 C 09 11 45.90 +02 29 19.0 V T08
2019-11-05 14:32:24 C 09 11 45.17 +02 30 24.9 V T08
2019-11-05 15:44:29 C 09 11 41.63 +02 35 47.8 V T08
2019-11-07 13:59:37 C 09 09 42.05 +06 05 25.8 V T05
2019-11-07 14:04:58 C 09 09 41.77 +06 05 50.4 V T05
2019-11-07 14:12:28 C 09 09 41.39 +06 06 24.8 V T05
2019-11-07 14:28:11 C 09 09 40.58 +06 07 36.9 V T05
2019-11-08 14:08:46 C 09 08 36.31 +07 56 44.3 V T05
2019-11-08 14:18:17 C 09 08 35.80 +07 57 28.6 V T05
2019-11-08 14:23:18 C 09 08 35.55 +07 57 51.8 V T05
2019-11-08 14:37:37 C 09 08 34.78 +07 58 58.4 V T05
2019-11-08 23:34:54 S 09 08 07.84 +08 40 44.4 L C51
2019-11-09 02:43:14 S 09 07 59.01 +08 55 20.2 L C51
2019-11-09 04:17:29 S 09 07 54.56 +09 02 39.1 L C51
2019-11-09 05:51:32 S 09 07 50.11 +09 09 57.0 L C51
2019-11-09 07:25:48 S 09 07 45.64 +09 17 16.5 L C51
2019-11-09 10:34:07 S 09 07 36.69 +09 31 54.9 L C51
2019-11-09 14:53:52 C 09 07 26.09 +09 51 56.8 V T08
2019-11-09 14:58:36 C 09 07 25.82 +09 52 19.1 V T08
2019-11-09 15:08:05 C 09 07 25.29 +09 53 03.4 V T08
2019-11-09 15:20:32 C 09 07 24.58 +09 54 01.9 V T08
2019-11-10 11:48:37 C 09 06 25.85 +11 29 59.1 V T08
2019-11-10 11:53:16 C 09 06 25.58 +11 30 21.2 V T08
2019-11-10 12:01:16 C 09 06 25.17 +11 30 59.1 V T08
2019-11-10 12:17:22 C 09 06 24.29 +11 32 15.2 V T08
2019-11-12 11:12:53 C 09 03 57.36 +15 14 17.4 V T05
2019-11-12 11:17:41 C 09 03 57.08 +15 14 40.0 V T05
2019-11-12 11:26:19 C 09 03 56.55 +15 15 21.2 V T05
2019-11-12 11:41:02 C 09 03 55.74 +15 16 31.4 V T05
2019-11-14 12:56:20 C 09 01 03.85 +19 11 22.0 V T08
2019-11-14 13:01:49 C 09 01 03.48 +19 11 48.3 V T08
2019-11-14 13:09:25 C 09 01 02.96 +19 12 24.8 V T08
2019-11-14 13:24:07 C 09 01 01.96 +19 13 35.4 V T08
2019-11-17 08:56:44 C 08 56 30.94 +24 34 57.7 u H21
2019-11-17 08:58:42 C 08 56 30.78 +24 35 06.9 u H21
2019-11-17 09:00:39 C 08 56 30.64 +24 35 16.5 u H21
2019-11-17 09:02:36 C 08 56 30.48 +24 35 25.7 u H21
2019-11-17 09:04:33 C 08 56 30.32 +24 35 34.9 u H21
2019-11-17 09:06:30 C 08 56 30.15 +24 35 44.4 u H21
2019-11-17 09:08:27 C 08 56 30.02 +24 35 53.4 u H21
2019-11-17 09:10:25 C 08 56 29.86 +24 36 02.6 u H21
2019-11-17 09:12:22 C 08 56 29.72 +24 36 11.8 u H21
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)