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
2017-06-15 04:15:14 C 12 56 41.72 +08 44 59.4 q H45
2017-06-15 04:16:46 C 12 56 41.64 +08 44 57.8 q H45
2017-06-15 04:18:21 C 12 56 41.59 +08 44 56.3 q H45
2017-06-15 04:21:00 C 12 56 41.44 +08 44 52.6 q H45
2017-06-15 04:22:22 C 12 56 41.36 +08 44 50.8 q H45
2017-06-15 04:31:35 C 12 56 41.10 +08 44 41.5 q 703
2017-06-16 07:51:00 C 12 55 26.74 +08 12 51.7 L T05
2017-06-16 08:03:14 C 12 55 26.19 +08 12 37.3 L T05
2017-06-16 08:15:31 C 12 55 25.64 +08 12 23.5 L T05
2017-06-16 08:27:47 C 12 55 25.04 +08 12 08.7 L T05
2017-06-18 04:55:11 C 12 53 33.42 +07 19 43.0 q 703
2017-06-18 05:02:55 C 12 53 33.10 +07 19 34.2 q 703
2017-06-18 05:10:44 C 12 53 32.79 +07 19 24.8 q 703
2017-06-18 05:18:29 C 12 53 32.48 +07 19 15.4 q 703
2017-06-18 20:26:28 C 12 52 57.11 +07 01 15.6 q 160
2017-06-18 20:29:30 C 12 52 56.93 +07 01 11.4 q 160
2017-06-18 20:32:30 C 12 52 56.83 +07 01 08.1 q 160
2017-06-19 20:11:40 C 12 52 03.88 +06 32 52.0 q 160
2017-06-19 20:14:41 C 12 52 03.77 +06 32 48.4 q 160
2017-06-19 20:17:43 C 12 52 03.69 +06 32 45.0 q 160
2017-06-20 03:50:28 C 12 51 47.30 +06 23 43.2 q H45
2017-06-20 03:51:50 C 12 51 47.21 +06 23 41.2 q H45
2017-06-20 03:53:18 C 12 51 47.14 +06 23 39.1 q H45
2017-06-20 03:54:53 C 12 51 47.09 +06 23 37.5 q H45
2017-06-20 03:56:19 C 12 51 47.04 +06 23 36.2 q H45
2017-06-20 03:57:39 C 12 51 47.01 +06 23 34.3 q H45
2017-06-20 20:08:20 C 12 51 13.30 +06 04 05.7 q 160
2017-06-20 20:11:20 C 12 51 13.19 +06 04 02.1 q 160
2017-06-20 20:14:19 C 12 51 13.11 +06 03 58.6 q 160
2017-06-23 07:30:27 C 12 49 20.82 +04 52 09.2 L T08
2017-06-23 07:43:20 C 12 49 20.40 +04 51 54.1 L T08
2017-06-23 07:56:49 C 12 49 19.96 +04 51 37.9 L T08
2017-06-23 08:09:33 C 12 49 19.60 +04 51 21.9 L T08
2017-06-25 01:48:10 C 12 48 11.91 +04 00 17.8 q W34
2017-06-25 01:55:37 C 12 48 11.73 +04 00 07.8 q W34
2017-06-25 02:21:23 C 12 48 11.01 +03 59 36.4 q W34
2017-06-25 02:44:11 C 12 48 10.37 +03 59 08.7 q W34
2017-06-27 06:50:25 C 12 46 57.76 +02 54 46.2 L T08
2017-06-27 07:03:14 C 12 46 57.42 +02 54 30.6 L T08
2017-06-27 07:16:06 C 12 46 57.12 +02 54 14.5 L T08
2017-06-27 07:16:48 C 12 46 57.11 +02 54 13.4 L T08
2017-06-27 07:29:07 C 12 46 56.85 +02 53 58.4 L T08
2017-06-27 07:29:49 C 12 46 56.82 +02 53 57.2 L T08
2017-06-27 07:42:02 C 12 46 56.53 +02 53 42.2 L T08
2017-06-27 07:54:46 C 12 46 56.25 +02 53 26.5 L T08
2017-06-28 04:32:36 C 12 46 31.23 +02 27 44.2 q 703
2017-06-28 04:41:11 C 12 46 31.08 +02 27 33.9 q 703
2017-06-28 04:49:37 C 12 46 30.90 +02 27 22.2 q 703
2017-06-28 04:58:02 C 12 46 30.67 +02 27 13.6 q 703
2017-07-05 06:57:12 C 12 44 15.57 -01 07 08.3 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)