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
2004-12-13 15:13:11 C 13 30 42.27 +20 21 57.6 F65
2004-12-13 15:15:21 C 13 30 42.41 +20 21 57.4 F65
2004-12-13 15:17:26 C 13 30 42.52 +20 21 57.6 F65
2005-04-02 08:20:14 C 13 44 57.54 +35 55 48.6 r 448
2005-04-02 08:30:42 C 13 44 56.81 +35 55 51.2 r 448
2005-04-02 08:41:12 C 13 44 55.86 +35 55 54.8 r 448
2005-04-11 07:40:07 C 13 27 31.68 +36 38 40.8 r 703
2005-04-11 07:51:12 C 13 27 30.84 +36 38 43.2 r 703
2005-04-11 08:02:11 C 13 27 29.79 +36 38 42.5 r 703
2005-04-11 08:13:05 C 13 27 29.00 +36 38 43.3 r 703
2005-05-01 05:20:25 C 12 49 28.14 +35 23 19.2 r 703
2005-05-01 05:32:09 C 12 49 27.22 +35 23 14.1 r 703
2005-05-01 05:43:51 C 12 49 26.41 +35 23 10.7 r 703
2005-05-01 05:55:20 C 12 49 25.60 +35 23 06.1 r 703
2006-02-01 02:03:13 C 00 46 36.58 +05 23 23.9 r 703
2006-02-01 02:09:17 C 00 46 37.59 +05 23 37.2 r 703
2006-02-01 02:15:23 C 00 46 38.53 +05 23 50.6 r 703
2006-02-01 02:21:28 C 00 46 39.50 +05 24 04.0 r 703
2007-03-17 08:05:17 C 14 23 49.27 +30 30 27.0 r 703
2007-03-17 08:16:13 C 14 23 48.58 +30 30 33.4 r 703
2007-03-17 08:27:06 C 14 23 48.26 +30 30 38.7 r 703
2007-03-17 08:38:02 C 14 23 47.65 +30 30 44.7 r 703
2007-03-26 21:53:37 C 14 11 33.03 +32 28 25.1 r A13
2007-03-26 22:46:35 C 14 11 29.71 +32 28 50.3 r A13
2007-04-19 07:55:55 C 13 27 45.43 +34 43 11.9 r 703
2007-04-19 08:05:14 C 13 27 44.74 +34 43 11.4 r 703
2007-04-19 08:14:35 C 13 27 43.88 +34 43 10.7 r 703
2007-04-19 08:23:58 C 13 27 43.05 +34 43 11.4 r 703
2007-04-22 21:02:51 C 13 20 31.53 +34 36 09.5 o 151
2007-04-22 21:08:53 C 13 20 31.01 +34 36 08.8 o 151
2007-04-22 21:14:55 C 13 20 30.50 +34 36 08.3 o 151
2007-05-14 06:22:07 C 12 43 24.25 +31 19 38.3 r H45
2007-05-14 06:25:24 C 12 43 24.03 +31 19 36.3 r H45
2007-05-14 06:28:11 C 12 43 23.92 +31 19 34.0 r H45
2007-05-14 06:31:30 C 12 43 23.71 +31 19 32.0 r H45
2007-05-14 06:34:09 C 12 43 23.58 +31 19 30.6 r H45
2007-05-15 04:38:57 C 12 42 11.55 +31 06 04.6 r G96
2007-05-15 04:47:05 C 12 42 11.05 +31 05 59.7 r G96
2007-05-15 04:55:12 C 12 42 10.58 +31 05 54.5 r G96
2007-05-15 05:03:39 C 12 42 10.15 +31 05 49.8 r G96
2007-06-06 04:14:56 C 12 24 50.76 +24 31 08.0 r H45
2007-06-06 04:19:06 C 12 24 50.74 +24 31 04.2 r H45
2007-06-06 04:22:03 C 12 24 50.72 +24 31 00.8 r H45
2007-06-06 04:24:21 C 12 24 50.64 +24 30 58.9 r H45
2007-06-06 04:26:40 C 12 24 50.63 +24 30 57.3 r H45
2008-01-12 01:46:01 C 23 50 26.55 -06 02 58.8 r 703
2008-01-12 01:52:03 C 23 50 27.70 -06 02 41.9 r 703
2008-01-12 01:58:04 C 23 50 28.75 -06 02 24.6 r 703
2008-01-12 02:04:06 C 23 50 29.90 -06 02 08.7 r 703
2008-01-30 01:59:45 C 01 03 09.55 +11 47 34.6 17.9 c 704
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)