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
2010-01-21 18:25:53 C 01 01 56.20 +14 47 16.8 u 160
2010-02-06 02:06:36 C 01 54 55.09 +25 46 36.5 19.1 c 704
2010-02-06 02:24:35 C 01 54 57.45 +25 47 03.1 19.6 c 704
2010-02-06 02:42:42 C 01 55 00.02 +25 47 28.2 19.7 c 704
2010-02-06 03:00:35 C 01 55 02.49 +25 47 53.8 19.8 c 704
2010-02-06 03:18:38 C 01 55 04.87 +25 48 19.9 19.6 c 704
2010-02-15 02:48:12 C 02 24 10.18 +30 23 47.2 r 703
2010-02-15 02:58:09 C 02 24 11.52 +30 23 57.5 r 703
2010-02-15 03:08:06 C 02 24 12.78 +30 24 09.3 r 703
2011-03-27 08:00:21 C 14 41 04.95 +27 07 42.8 r 703
2011-03-27 08:09:34 C 14 41 04.48 +27 07 47.8 r 703
2011-03-27 08:18:48 C 14 41 03.94 +27 07 52.2 r 703
2011-03-27 08:28:02 C 14 41 03.51 +27 07 56.6 r 703
2011-04-06 02:07:27 C 14 26 40.73 +28 52 03.9 c A24
2011-04-06 02:09:31 C 14 26 40.56 +28 52 05.3 c A24
2011-04-06 08:34:46 C 14 26 13.23 +28 54 32.1 r 703
2011-04-06 08:42:10 C 14 26 12.73 +28 54 35.4 r 703
2011-04-06 08:49:39 C 14 26 12.08 +28 54 38.1 r 703
2011-04-06 08:57:02 C 14 26 11.58 +28 54 40.3 r 703
2011-04-09 06:54:55 C 14 21 00.72 +29 19 15.3 18.6 c 704
2011-04-09 07:11:57 C 14 20 59.43 +29 19 20.2 18.9 c 704
2011-04-09 07:28:56 C 14 20 58.08 +29 19 26.6 18.9 c 704
2011-04-09 07:45:58 C 14 20 56.67 +29 19 31.8 19.1 c 704
2011-04-09 08:03:02 C 14 20 55.36 +29 19 37.7 19.2 c 704
2011-04-10 00:47:45 C 14 19 37.67 +29 24 54.7 c A24
2011-04-10 01:01:35 C 14 19 36.60 +29 24 59.0 c A24
2011-04-10 01:10:59 C 14 19 35.88 +29 25 01.7 c A24
2011-04-10 01:35:15 C 14 19 33.96 +29 25 08.9 c A24
2011-04-10 01:44:39 C 14 19 33.21 +29 25 11.5 c A24
2011-04-10 01:58:29 C 14 19 32.13 +29 25 16.2 c A24
2011-04-10 23:42:30 C 14 17 50.01 +29 31 47.4 c A24
2011-04-10 23:55:48 C 14 17 48.93 +29 31 51.2 c A24
2011-04-11 00:04:51 C 14 17 48.19 +29 31 53.7 c A24
2011-04-11 00:28:15 C 14 17 46.29 +29 32 00.8 c A24
2011-04-11 00:50:36 C 14 17 44.43 +29 32 07.9 c A24
2011-04-22 05:48:33 C 13 54 40.97 +30 15 37.4 19.1 c 704
2011-04-22 06:04:26 C 13 54 39.51 +30 15 38.5 19.5 c 704
2011-04-22 06:20:34 C 13 54 37.93 +30 15 37.7 19.5 c 704
2011-04-22 06:36:29 C 13 54 36.56 +30 15 38.6 19.2 c 704
2011-04-22 06:52:27 C 13 54 35.07 +30 15 39.2 19.3 c 704
2011-04-25 06:57:57 C 13 48 02.80 +30 14 07.4 r 703
2011-04-25 07:05:18 C 13 48 02.01 +30 14 05.9 r 703
2011-04-25 07:12:42 C 13 48 01.33 +30 14 07.4 r 703
2011-04-25 07:20:08 C 13 48 00.68 +30 14 05.6 r 703
2011-04-28 06:35:01 C 13 41 32.836 +30 06 39.35 L F51
2011-04-28 06:50:35 C 13 41 31.407 +30 06 37.37 L F51
2011-05-01 22:43:33 C 13 33 37.66 +29 49 13.2 c A24
2011-05-01 22:57:00 C 13 33 36.46 +29 49 10.1 c A24
2011-05-01 23:06:07 C 13 33 35.62 +29 49 08.1 c A24
2011-05-01 23:29:44 C 13 33 33.51 +29 49 02.7 c A24
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)