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
2008-01-30 02:17:45 C 01 03 12.22 +11 48 12.6 18.5 c 704
2008-01-30 02:29:10 C 01 03 13.96 +11 48 36.1 r 703
2008-01-30 02:35:45 C 01 03 14.97 +11 48 50.5 18.4 c 704
2008-01-30 02:38:03 C 01 03 15.37 +11 48 55.0 r 703
2008-01-30 02:46:39 C 01 03 16.66 +11 49 12.2 r 703
2008-01-30 02:53:45 C 01 03 17.73 +11 49 28.1 18.3 c 704
2008-01-30 02:55:14 C 01 03 17.96 +11 49 31.2 r 703
2008-01-30 03:11:45 C 01 03 20.49 +11 50 06.1 18.2 c 704
2008-02-06 02:27:27 C 01 28 20.16 +17 16 33.3 19.5 c 704
2008-02-06 02:45:12 C 01 28 22.77 +17 17 05.2 20.1 c 704
2008-02-06 03:03:02 C 01 28 25.37 +17 17 36.8 19.7 c 704
2008-02-06 03:20:52 C 01 28 27.88 +17 18 09.0 19.5 c 704
2008-03-04 02:37:51 C 02 57 40.10 +31 39 53.1 r 703
2008-03-04 02:46:21 C 02 57 41.14 +31 39 59.9 r 703
2008-03-04 02:54:53 C 02 57 42.26 +31 40 08.8 r 703
2008-03-04 03:03:23 C 02 57 43.41 +31 40 16.5 r 703
2009-01-31 12:53:37 C 14 36 41.04 +19 39 25.5 r G96
2009-01-31 12:59:40 C 14 36 41.22 +19 39 27.5 r G96
2009-01-31 13:05:29 C 14 36 41.36 +19 39 29.0 r G96
2009-01-31 13:11:27 C 14 36 41.58 +19 39 31.1 r G96
2009-04-02 07:36:02 C 14 15 44.60 +31 06 01.2 r 703
2009-04-02 07:43:12 C 14 15 44.17 +31 06 06.4 r 703
2009-04-02 07:50:07 C 14 15 43.63 +31 06 08.5 r 703
2009-04-02 07:57:02 C 14 15 43.12 +31 06 11.9 r 703
2009-04-21 06:11:53 C 13 38 38.58 +32 35 55.8 r 703
2009-04-21 06:19:47 C 13 38 38.00 +32 35 53.7 r 703
2009-04-21 06:27:44 C 13 38 37.14 +32 35 54.6 r 703
2009-04-21 06:35:40 C 13 38 36.38 +32 35 55.3 r 703
2009-05-17 06:54:17 C 12 50 44.73 +28 48 57.4 r 703
2009-05-17 07:07:15 C 12 50 43.98 +28 48 48.7 r 703
2009-05-17 07:20:26 C 12 50 43.11 +28 48 39.9 r 703
2009-05-17 07:33:25 C 12 50 42.57 +28 48 31.2 r 703
2010-01-12 01:50:46 C 00 24 34.20 +05 12 26.7 r G96
2010-01-12 01:52:34 C 00 24 34.43 +05 12 32.1 19.1 c 704
2010-01-12 02:07:15 C 00 24 36.93 +05 13 11.8 r G96
2010-01-12 02:10:32 C 00 24 37.50 +05 13 21.8 19.3 c 704
2010-01-12 02:15:29 C 00 24 38.30 +05 13 34.8 r G96
2010-01-12 02:23:40 C 00 24 39.70 +05 13 57.2 r G96
2010-01-12 02:28:47 C 00 24 40.51 +05 14 11.3 19.3 c 704
2010-01-12 02:46:45 C 00 24 43.55 +05 15 02.1 19.3 c 704
2010-01-12 02:47:10 C 00 24 43.63 +05 15 02.2 r G96
2010-01-12 02:55:25 C 00 24 45.00 +05 15 24.8 r G96
2010-01-12 03:04:33 C 00 24 46.48 +05 15 50.8 19.2 c 704
2010-01-12 03:11:56 C 00 24 47.77 +05 16 10.2 r G96
2010-01-12 03:20:11 C 00 24 49.14 +05 16 33.0 r G96
2010-01-16 03:03:18 C 00 40 40.51 +09 28 59.4 r 703
2010-01-16 03:24:44 C 00 40 43.93 +09 29 53.1 r 703
2010-01-16 03:35:34 C 00 40 45.69 +09 30 20.1 r 703
2010-01-21 18:18:08 C 01 01 54.99 +14 46 59.9 u 160
2010-01-21 18:22:00 C 01 01 55.58 +14 47 08.1 u 160
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)