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
2017-05-05 07:08:57 C 14 23 01.52 +21 16 17.4 q H45
2017-05-05 07:10:46 C 14 23 01.32 +21 16 16.8 q H45
2017-05-05 07:12:50 C 14 23 01.09 +21 16 16.4 q H45
2017-05-05 07:14:29 C 14 23 00.90 +21 16 16.3 q H45
2017-05-05 07:16:06 C 14 23 00.71 +21 16 16.2 q H45
2017-05-07 03:30:36 C 14 18 11.58 +21 06 55.8 u H21
2017-05-07 03:36:34 C 14 18 10.92 +21 06 54.2 u H21
2017-05-07 03:43:50 C 14 18 10.12 +21 06 52.4 u H21
2017-05-13 04:23:02 C 14 02 15.93 +20 17 27.1 u H21
2017-05-13 04:25:08 C 14 02 15.71 +20 17 26.5 u H21
2017-05-13 04:26:40 C 14 02 15.54 +20 17 25.6 u H21
2017-05-13 04:30:51 C 14 02 15.07 +20 17 23.8 u H21
2017-05-13 04:32:57 C 14 02 14.84 +20 17 23.1 u H21
2017-05-13 04:35:02 C 14 02 14.59 +20 17 21.9 u H21
2017-05-13 04:40:45 C 14 02 13.94 +20 17 19.5 u H21
2017-05-13 23:41:02 C 14 00 09.23 +20 08 38.7 q 107
2017-05-13 23:47:27 C 14 00 08.52 +20 08 36.3 q 107
2017-05-13 23:53:51 C 14 00 07.79 +20 08 32.5 q 107
2017-05-14 00:00:16 C 14 00 07.11 +20 08 29.6 q 107
2017-05-14 09:39:42 C 13 59 04.19 +20 03 59.2 L T08
2017-05-14 09:46:17 C 13 59 03.45 +20 03 55.6 L T08
2017-05-14 10:18:21 C 13 58 59.85 +20 03 40.3 L T08
2017-05-14 10:52:21 C 13 58 56.14 +20 03 23.4 L T08
2017-05-15 05:08:22 C 13 56 57.51 +19 54 16.7 q H45
2017-05-15 05:09:33 C 13 56 57.44 +19 54 16.1 q H45
2017-05-15 05:10:47 C 13 56 57.32 +19 54 15.1 q H45
2017-05-15 05:11:53 C 13 56 57.12 +19 54 14.7 q H45
2017-05-15 05:13:14 C 13 56 57.03 +19 54 13.8 q H45
2017-05-15 05:14:41 C 13 56 56.83 +19 54 13.5 q H45
2017-05-15 22:41:04 C 13 55 03.96 +19 45 06.8 q 160
2017-05-15 22:44:03 C 13 55 03.63 +19 45 05.5 q 160
2017-05-15 22:47:02 C 13 55 03.31 +19 45 04.0 q 160
2017-05-16 21:38:22 C 13 52 36.58 +19 32 32.6 Q 160
2017-05-16 21:41:21 C 13 52 36.26 +19 32 30.9 Q 160
2017-05-16 21:44:19 C 13 52 35.93 +19 32 29.0 Q 160
2017-05-17 06:01:03 C 13 51 42.97 +19 27 48.7 q G96
2017-05-17 06:07:05 C 13 51 42.31 +19 27 45.2 q G96
2017-05-17 06:13:03 C 13 51 41.66 +19 27 41.7 q G96
2017-05-17 06:19:03 C 13 51 41.00 +19 27 38.3 q G96
2017-05-17 08:05:39 C 13 51 29.40 +19 26 36.2 q 703
2017-05-17 08:11:58 C 13 51 28.71 +19 26 32.3 q 703
2017-05-17 08:18:19 C 13 51 28.03 +19 26 29.0 q 703
2017-05-17 08:24:41 C 13 51 27.33 +19 26 25.4 q 703
2017-05-17 20:54:04 C 13 50 08.45 +19 19 05.0 q 160
2017-05-17 20:57:04 C 13 50 08.14 +19 19 03.0 q 160
2017-05-17 21:00:03 C 13 50 07.82 +19 19 01.2 q 160
2017-05-19 09:05:25 C 13 46 20.76 +18 56 49.0 L T08
2017-05-19 09:32:24 C 13 46 17.90 +18 56 31.5 L T08
2017-05-19 09:50:19 C 13 46 15.99 +18 56 20.1 L T08
2017-05-19 10:09:52 C 13 46 13.86 +18 56 07.2 L T08
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)