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
2011-05-01 23:38:52 C 13 33 32.64 +29 49 00.4 c A24
2011-05-01 23:52:18 C 13 33 31.47 +29 48 56.7 c A24
2011-05-07 22:15:52 C 13 21 17.47 +29 01 55.8 c A24
2011-05-07 22:29:00 C 13 21 16.37 +29 01 50.2 c A24
2011-05-07 22:37:55 C 13 21 15.62 +29 01 46.3 c A24
2011-05-07 23:01:00 C 13 21 13.70 +29 01 36.4 c A24
2011-05-07 23:09:55 C 13 21 12.96 +29 01 32.8 c A24
2011-05-07 23:23:02 C 13 21 11.82 +29 01 28.4 c A24
2011-05-09 20:57:16 C 13 17 29.93 +28 41 41.3 r A17
2011-05-09 21:14:08 C 13 17 28.57 +28 41 33.3 r A17
2011-05-09 21:31:01 C 13 17 27.20 +28 41 25.7 r A17
2011-05-19 20:51:14 C 13 00 19.43 +26 25 07.5 c A24
2011-05-19 21:38:51 C 13 00 16.44 +26 24 35.8 c A24
2011-05-19 21:40:55 C 13 00 16.33 +26 24 33.0 c A24
2011-05-20 21:01:33 C 12 58 50.21 +26 08 41.6 c A24
2011-05-20 21:03:38 C 12 58 50.12 +26 08 39.9 c A24
2011-05-20 21:51:29 C 12 58 47.08 +26 08 07.4 c A24
2011-05-20 21:53:37 C 12 58 46.96 +26 08 05.0 c A24
2011-05-22 21:20:28 C 12 56 00.49 +25 34 34.3 c A24
2011-05-22 22:27:51 C 12 55 56.56 +25 33 47.1 c A24
2011-05-22 22:29:55 C 12 55 56.44 +25 33 45.6 c A24
2011-06-13 05:42:01 C 12 38 03.04 +18 17 35.7 u 703
2011-06-13 05:51:34 C 12 38 02.72 +18 17 28.1 u 703
2011-06-13 06:01:16 C 12 38 02.61 +18 17 19.5 u 703
2011-06-13 06:11:04 C 12 38 02.43 +18 17 09.3 u 703
2011-12-27 02:38:05 C 23 49 22.64 -02 37 42.8 u 448
2011-12-27 02:41:35 C 23 49 23.35 -02 37 29.4 u 448
2011-12-27 02:45:05 C 23 49 24.04 -02 37 15.9 u 448
2011-12-27 02:48:58 C 23 49 24.79 -02 37 01.1 u 448
2011-12-27 02:52:48 C 23 49 25.57 -02 36 46.3 u 448
2011-12-29 01:34:46 C 23 58 36.22 +00 18 27.5 r G96
2011-12-29 01:45:30 C 23 58 38.24 +00 19 06.8 r G96
2011-12-29 01:56:10 C 23 58 40.26 +00 19 45.9 r G96
2011-12-29 02:06:55 C 23 58 42.27 +00 20 25.3 r G96
2012-01-02 02:14:19 C 00 16 31.64 +05 55 42.9 u 448
2012-01-02 02:27:19 C 00 16 33.96 +05 56 25.6 u 448
2012-01-02 02:40:20 C 00 16 36.20 +05 57 08.7 u 448
2012-01-02 02:43:44 C 00 16 36.83 +05 57 19.8 u 448
2012-01-02 02:47:10 C 00 16 37.43 +05 57 31.2 u 448
2012-01-04 03:13:39 C 00 25 07.82 +08 32 46.8 r 703
2012-01-04 03:21:02 C 00 25 09.01 +08 33 08.2 r 703
2012-01-04 03:28:30 C 00 25 10.30 +08 33 32.2 r 703
2012-01-04 03:35:56 C 00 25 11.64 +08 33 55.4 r 703
2012-01-07 11:12:01 C 00 38 35.01 +12 28 59.4 o 300
2012-01-07 11:13:19 C 00 38 35.20 +12 29 03.0 o 300
2012-01-15 19:06:37 C 01 09 37.95 +20 37 47.3 t 130
2012-01-15 19:08:48 C 01 09 38.31 +20 37 50.9 t 130
2012-01-15 19:11:41 C 01 09 38.68 +20 37 57.7 t 130
2012-01-15 19:14:35 C 01 09 39.10 +20 38 02.8 t 130
2012-01-24 19:16:37 C 01 40 20.25 +27 12 05.0 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)