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
2018-01-10 09:01:56 C 03 23 07.45 +56 23 58.5 U T05
2018-01-10 09:19:47 C 03 23 07.88 +56 23 54.5 U T05
2018-01-12 09:24:05 C 03 24 32.52 +56 14 46.9 U T08
2018-01-12 09:43:35 C 03 24 33.08 +56 14 42.8 U T08
2018-01-12 10:01:31 C 03 24 33.56 +56 14 38.7 U T08
2018-01-12 10:19:31 C 03 24 34.10 +56 14 34.8 U T08
2018-01-16 08:38:36 C 03 28 10.67 +55 56 45.7 U T08
2018-01-16 09:03:24 C 03 28 11.67 +55 56 40.4 U T08
2018-01-16 09:04:43 C 03 28 11.69 +55 56 40.1 U T08
2018-01-16 09:13:17 C 03 28 12.00 +55 56 38.4 U T08
2018-01-16 09:30:12 C 03 28 12.69 +55 56 35.1 U T08
2018-01-20 08:40:10 C 03 32 48.53 +55 38 54.9 U T08
2018-01-20 08:46:07 C 03 32 48.78 +55 38 53.4 U T08
2018-01-20 09:02:58 C 03 32 49.64 +55 38 49.8 U T08
2018-01-20 09:12:52 C 03 32 50.17 +55 38 47.5 U T08
2018-01-30 08:17:15 C 03 47 38.45 +54 56 43.9 U T05
2018-01-30 08:35:26 C 03 47 39.74 +54 56 40.5 U T05
2018-01-30 08:47:21 C 03 47 40.52 +54 56 38.4 U T05
2018-01-30 09:01:40 C 03 47 41.44 +54 56 35.7 U T05
2018-02-03 08:06:52 C 03 54 34.68 +54 40 45.0 U T05
2018-02-03 08:14:13 C 03 54 35.17 +54 40 43.5 U T05
2018-02-03 08:30:40 C 03 54 36.33 +54 40 41.1 U T05
2018-02-03 08:33:21 C 03 54 36.65 +54 40 39.4 U T05
2018-02-03 08:44:10 C 03 54 37.43 +54 40 38.1 U T05
2018-02-03 08:57:51 C 03 54 38.34 +54 40 36.2 U T05
2018-02-06 03:51:04 C 03 59 45.52 +54 29 38.4 U G96
2018-02-06 03:58:53 C 03 59 46.10 +54 29 36.9 U G96
2018-02-06 04:06:43 C 03 59 46.69 +54 29 35.6 U G96
2018-02-06 04:14:32 C 03 59 47.27 +54 29 34.3 U G96
2018-04-05 02:51:26 C 06 11 00.08 +50 16 44.1 U G96
2018-04-05 02:59:40 C 06 11 00.90 +50 16 42.6 U G96
2018-04-05 03:07:56 C 06 11 01.71 +50 16 40.4 U G96
2018-04-05 03:16:12 C 06 11 02.53 +50 16 38.4 U G96
2019-03-14 19:42:40 C 15 50 00.70 +12 04 28.9 q D29
2019-03-14 20:03:02 C 15 50 00.84 +12 04 34.8 q D29
2019-03-14 20:23:23 C 15 50 00.97 +12 04 41.3 q D29
2019-03-29 12:56:24 C 15 48 34.69 +14 03 03.5 V T05
2019-03-29 13:16:19 C 15 48 34.26 +14 03 11.0 V T05
2019-03-29 13:22:58 C 15 48 34.11 +14 03 13.4 V T05
2019-03-29 13:36:44 C 15 48 33.84 +14 03 18.0 V T05
2019-03-31 01:15:50 C 15 47 51.18 +14 16 02.6 V C95
2019-03-31 01:22:43 C 15 47 51.02 +14 16 04.8 V C95
2019-03-31 01:30:01 C 15 47 50.81 +14 16 07.1 V C95
2019-03-31 01:36:55 C 15 47 50.67 +14 16 09.9 V C95
2019-03-31 10:29:15 C 15 47 38.84 +14 19 23.8 V 703
2019-03-31 10:36:55 C 15 47 38.59 +14 19 25.9 V 703
2019-03-31 10:44:34 C 15 47 38.41 +14 19 29.0 V 703
2019-03-31 10:52:14 C 15 47 38.22 +14 19 31.7 V 703
2019-04-01 19:00:40 C 15 46 51.77 +14 31 06.7 q D29
2019-04-01 19:21:02 C 15 46 51.30 +14 31 14.1 q D29
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)