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
2013-12-31 19:21:28 C 00 58 37.05 +22 30 56.4 c A24
2013-12-31 19:22:30 C 00 58 37.21 +22 30 59.1 c A24
2013-12-31 19:35:35 C 00 58 39.15 +22 31 33.3 c A24
2013-12-31 19:36:37 C 00 58 39.26 +22 31 35.8 c A24
2014-01-01 01:03:26 C 00 59 29.36 +22 45 47.8 q 448
2014-01-01 01:08:32 C 00 59 30.11 +22 46 00.8 q 448
2014-01-01 01:14:32 C 00 59 30.98 +22 46 16.4 q 448
2014-01-01 01:19:43 C 00 59 31.73 +22 46 29.6 q 448
2014-01-01 01:24:52 C 00 59 32.49 +22 46 42.9 q 448
2014-01-03 02:38:24 C 01 06 51.20 +24 47 25.2 q H45
2014-01-03 02:39:40 C 01 06 51.38 +24 47 28.1 q H45
2014-01-03 02:40:54 C 01 06 51.54 +24 47 31.3 q H45
2014-01-03 02:43:06 C 01 06 51.87 +24 47 36.1 q H45
2014-01-03 02:45:06 C 01 06 52.14 +24 47 40.9 q H45
2014-01-03 02:46:55 C 01 06 52.42 +24 47 45.2 q H45
2014-01-08 02:29:11 C 01 23 47.45 +28 56 19.4 q H45
2014-01-08 02:30:49 C 01 23 47.67 +28 56 22.3 q H45
2014-01-08 02:32:12 C 01 23 47.84 +28 56 25.1 q H45
2014-01-08 02:33:45 C 01 23 48.05 +28 56 27.5 q H45
2014-01-08 02:35:09 C 01 23 48.25 +28 56 30.4 q H45
2014-01-08 02:38:09 C 01 23 48.62 +28 56 36.3 q H45
2014-01-13 05:49:10 C 01 40 12.41 +32 19 30.5 q 703
2014-01-13 05:56:26 C 01 40 13.36 +32 19 42.0 q 703
2014-01-13 06:03:41 C 01 40 14.34 +32 19 51.4 q 703
2014-01-13 06:10:56 C 01 40 15.23 +32 20 01.5 q 703
2014-01-14 02:19:51 C 01 42 52.06 +32 49 07.0 q H45
2014-01-14 02:21:09 C 01 42 52.27 +32 49 09.2 q H45
2014-01-14 02:22:49 C 01 42 52.43 +32 49 11.5 q H45
2014-01-14 02:24:01 C 01 42 52.64 +32 49 13.0 q H45
2014-01-14 02:25:24 C 01 42 52.73 +32 49 15.3 q H45
2014-01-14 02:26:55 C 01 42 52.91 +32 49 17.4 q H45
2014-01-14 18:29:00 C 01 44 56.65 +33 11 38.2 o C41
2014-01-14 18:30:29 C 01 44 56.75 +33 11 41.0 o C41
2014-01-16 01:51:48 C 01 48 56.93 +33 53 42.1 u H21
2014-01-16 01:55:13 C 01 48 57.36 +33 53 46.4 u H21
2014-01-16 01:58:37 C 01 48 57.78 +33 53 50.7 u H21
2014-01-16 02:02:02 C 01 48 58.20 +33 53 55.1 u H21
2014-01-16 02:05:26 C 01 48 58.63 +33 53 59.4 u H21
2014-01-16 02:08:51 C 01 48 59.06 +33 54 03.9 u H21
2014-01-16 02:11:44 C 01 48 59.41 +33 54 07.7 u H21
2014-01-19 02:21:59 C 01 58 03.83 +35 22 37.2 N I41
2014-01-19 03:24:20 C 01 58 11.37 +35 23 48.6 N I41
2014-01-19 05:28:14 C 01 58 26.45 +35 26 08.9 N I41
2014-01-19 06:29:18 C 01 58 33.93 +35 27 17.6 N I41
2015-03-15 11:17:59 C 15 20 03.06 +18 41 22.0 q 703
2015-03-15 11:26:47 C 15 20 02.89 +18 41 27.1 q 703
2015-03-15 11:35:36 C 15 20 02.74 +18 41 30.4 q 703
2015-03-15 11:44:24 C 15 20 02.67 +18 41 34.8 q 703
2015-03-28 10:20:53 C 15 12 30.23 +21 06 57.8 q 703
2015-03-28 10:33:43 C 15 12 29.73 +21 07 02.4 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)