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
2015-12-30 12:31:06 C 01 54 05.77 +41 05 15.0 o 300
2015-12-30 12:35:24 C 01 54 06.08 +41 05 19.8 o 300
2015-12-30 12:39:42 C 01 54 06.50 +41 05 24.2 o 300
2015-12-30 12:44:01 C 01 54 06.90 +41 05 29.4 o 300
2015-12-30 12:52:38 C 01 54 07.64 +41 05 38.8 o 300
2015-12-30 16:31:04 C 01 54 30.39 +41 09 42.0 u 557
2015-12-30 17:38:04 C 01 54 36.62 +41 10 58.1 u 557
2015-12-30 17:42:38 C 01 54 37.16 +41 11 04.8 q 160
2015-12-30 17:45:15 C 01 54 37.38 +41 11 07.6 q 160
2015-12-30 17:47:50 C 01 54 37.63 +41 11 10.5 q 160
2015-12-30 18:45:05 C 01 54 42.83 +41 12 13.2 u 557
2015-12-30 19:49:43 C 01 54 48.83 +41 13 24.9 u 557
2015-12-30 20:47:38 C 01 54 54.22 +41 14 28.3 u 557
2015-12-30 21:46:42 C 01 54 59.77 +41 15 32.5 u 557
2015-12-30 22:44:53 C 01 55 05.25 +41 16 35.0 u 557
2015-12-31 00:26:55 C 01 55 15.14 +41 18 24.5 u 557
2015-12-31 16:28:51 C 01 56 50.21 +41 35 50.6 u 557
2015-12-31 16:38:08 C 01 56 51.07 +41 36 00.8 u 557
2015-12-31 16:47:24 C 01 56 51.95 +41 36 10.9 u 557
2016-01-03 00:02:58 C 02 02 10.94 +42 30 41.0 q I15
2016-01-03 00:06:06 C 02 02 11.22 +42 30 43.8 q I15
2016-01-03 00:09:12 C 02 02 11.49 +42 30 46.4 q I15
2016-01-03 05:00:23 C 02 02 38.60 +42 35 13.0 q 703
2016-01-03 05:06:13 C 02 02 39.18 +42 35 18.1 q 703
2016-01-03 05:12:03 C 02 02 39.75 +42 35 23.6 q 703
2016-01-03 05:17:53 C 02 02 40.28 +42 35 28.7 q 703
2016-01-08 06:56:38 C 02 14 15.41 +44 11 19.8 L T05
2016-01-08 07:19:20 C 02 14 17.40 +44 11 34.7 L T05
2016-01-08 07:42:24 C 02 14 19.46 +44 11 50.7 L T05
2016-01-08 07:57:33 C 02 14 20.76 +44 12 00.0 L T05
2016-01-08 08:06:16 C 02 14 21.64 +44 12 05.9 L T05
2016-01-08 08:21:46 C 02 14 23.03 +44 12 15.7 L T05
2016-01-08 17:51:04 C 02 15 18.01 +44 18 34.1 u 557
2016-01-08 19:50:07 C 02 15 28.82 +44 19 52.6 u 557
2016-01-08 21:53:02 C 02 15 40.13 +44 21 11.3 u 557
2016-01-08 23:05:35 C 02 15 46.88 +44 21 57.2 u 557
2016-01-09 00:49:28 C 02 15 56.71 +44 23 02.3 u 557
2016-01-12 02:39:14 C 02 22 58.00 +45 08 00.8 R G45
2016-01-12 02:48:56 C 02 22 58.92 +45 08 06.2 R G45
2016-01-12 02:49:02 C 02 22 58.90 +45 08 06.3 R G45
2016-01-12 02:58:20 C 02 22 59.75 +45 08 11.3 R G45
2016-01-12 02:58:26 C 02 22 59.76 +45 08 11.4 R G45
2016-01-12 03:09:05 C 02 23 00.73 +45 08 17.1 R G45
2016-01-12 03:19:09 C 02 23 01.63 +45 08 23.0 R G45
2016-01-12 03:28:53 C 02 23 02.54 +45 08 28.1 R G45
2016-01-14 02:39:06 C 02 27 32.25 +45 33 37.1 R G45
2016-01-14 02:58:18 C 02 27 33.97 +45 33 47.1 R G45
2016-01-14 03:14:23 C 02 27 35.42 +45 33 54.9 R G45
2016-01-14 03:24:11 C 02 27 36.33 +45 33 59.4 R G45
2016-01-14 03:43:03 C 02 27 38.06 +45 34 09.3 R G45
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)