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
2016-01-14 18:04:41 C 02 29 00.68 +45 41 16.7 u 557
2016-01-14 18:57:30 C 02 29 05.55 +45 41 42.4 u 557
2016-01-24 01:46:51 C 02 50 35.20 +47 10 53.3 q H45
2016-01-24 01:49:20 C 02 50 35.49 +47 10 54.2 q H45
2016-01-24 01:51:02 C 02 50 35.67 +47 10 54.9 q H45
2016-01-24 01:53:06 C 02 50 35.87 +47 10 56.3 q H45
2016-01-24 01:55:49 C 02 50 36.09 +47 10 56.8 q H45
2016-01-24 01:57:41 C 02 50 36.19 +47 10 57.2 q H45
2016-01-27 06:29:57 C 02 58 06.12 +47 34 00.7 L T05
2016-01-27 07:00:25 C 02 58 08.99 +47 34 08.2 L T05
2016-01-27 07:17:11 C 02 58 10.73 +47 34 13.1 L T05
2016-01-27 07:48:06 C 02 58 13.56 +47 34 20.7 L T05
2016-02-01 06:02:44 C 03 09 57.44 +48 04 04.7 L T05
2016-02-01 06:29:19 C 03 10 00.03 +48 04 12.6 L T05
2016-02-01 06:50:30 C 03 10 01.93 +48 04 17.0 L T05
2016-02-01 07:15:09 C 03 10 04.55 +48 04 21.9 L T05
2016-04-15 03:09:26 C 06 18 51.38 +48 00 06.1 q G96
2016-04-15 03:13:53 C 06 18 51.79 +48 00 05.7 q G96
2016-04-15 03:18:20 C 06 18 52.32 +48 00 04.6 q G96
2016-04-15 03:22:47 C 06 18 52.74 +48 00 03.5 q G96
2017-02-22 11:35:38 C 15 28 16.88 +12 49 41.3 R G45
2017-02-22 11:35:59 C 15 28 16.86 +12 49 40.9 R G45
2017-02-22 11:42:18 C 15 28 17.00 +12 49 42.7 R G45
2017-02-22 11:44:03 C 15 28 17.04 +12 49 43.1 R G45
2017-02-22 11:51:20 C 15 28 17.26 +12 49 46.1 R G45
2017-02-22 11:57:57 C 15 28 17.42 +12 49 46.0 R G45
2017-02-22 11:59:07 C 15 28 17.46 +12 49 47.4 R G45
2017-02-22 12:06:06 C 15 28 17.62 +12 49 49.4 R G45
2017-02-22 12:06:18 C 15 28 17.61 +12 49 49.0 R G45
2017-02-22 12:13:09 C 15 28 17.75 +12 49 50.4 R G45
2017-02-22 12:14:42 C 15 28 17.81 +12 49 50.9 R G45
2017-03-20 10:52:01 C 15 33 39.97 +16 22 05.1 q 703
2017-03-20 10:57:44 C 15 33 39.82 +16 22 06.4 q 703
2017-03-20 11:12:59 C 15 33 39.58 +16 22 15.1 q 703
2017-03-20 11:18:41 C 15 33 39.56 +16 22 17.5 q 703
2017-03-29 11:20:14 C 15 28 57.33 +17 53 32.4 q 703
2017-03-29 11:28:45 C 15 28 57.07 +17 53 35.4 q 703
2017-03-29 11:37:15 C 15 28 56.81 +17 53 38.7 q 703
2017-03-29 11:45:44 C 15 28 56.46 +17 53 42.6 q 703
2017-03-31 09:15:44 C 15 27 24.54 +18 13 07.3 q 703
2017-03-31 09:22:42 C 15 27 24.29 +18 13 07.6 q 703
2017-03-31 09:29:40 C 15 27 23.96 +18 13 09.5 q 703
2017-04-12 08:31:47 C 15 12 53.29 +20 06 42.8 u H21
2017-04-12 08:37:09 C 15 12 52.92 +20 06 44.6 u H21
2017-04-12 08:43:21 C 15 12 52.49 +20 06 46.8 u H21
2017-04-12 08:49:33 C 15 12 52.10 +20 06 48.8 u H21
2017-04-12 08:55:52 C 15 12 51.66 +20 06 50.9 u H21
2017-04-17 10:02:25 C 15 04 10.51 +20 45 00.5 q 703
2017-04-17 10:08:46 C 15 04 10.02 +20 45 02.4 q 703
2017-04-17 10:15:06 C 15 04 09.56 +20 45 04.5 q 703
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)