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
2017-05-20 09:06:48 C 13 43 52.03 +18 41 04.0 L T05
2017-05-20 09:42:04 C 13 43 48.31 +18 40 39.7 L T05
2017-05-20 10:05:51 C 13 43 45.78 +18 40 23.4 L T05
2017-05-20 10:36:33 C 13 43 42.65 +18 40 03.6 L T05
2017-05-21 06:44:53 C 13 41 39.75 +18 26 13.1 q 703
2017-05-21 06:52:37 C 13 41 39.01 +18 26 07.9 q 703
2017-05-21 07:00:19 C 13 41 38.17 +18 26 02.7 q 703
2017-05-21 07:08:03 C 13 41 37.37 +18 25 57.7 q 703
2017-05-23 23:22:18 C 13 35 15.95 +17 38 38.6 q J27
2017-05-23 23:29:36 C 13 35 15.22 +17 38 32.9 q J27
2017-05-23 23:37:09 C 13 35 14.49 +17 38 26.9 q J27
2017-05-25 04:52:14 C 13 32 27.04 +17 15 21.8 q G96
2017-05-25 04:58:22 C 13 32 26.44 +17 15 16.8 q G96
2017-05-25 05:04:32 C 13 32 25.85 +17 15 11.9 q G96
2017-05-25 05:10:41 C 13 32 25.26 +17 15 07.3 q G96
2017-05-26 03:58:42 C 13 30 17.37 +16 56 26.0 q H45
2017-05-26 04:00:08 C 13 30 17.24 +16 56 24.8 q H45
2017-05-26 04:01:24 C 13 30 17.14 +16 56 23.8 q H45
2017-05-26 04:03:05 C 13 30 16.95 +16 56 22.3 q H45
2017-05-26 04:04:21 C 13 30 16.83 +16 56 21.3 q H45
2017-05-26 04:05:44 C 13 30 16.69 +16 56 20.3 q H45
2017-05-26 21:28:46 C 13 28 40.94 +16 41 42.6 q 160
2017-05-26 21:31:46 C 13 28 40.67 +16 41 39.6 q 160
2017-05-26 21:34:35 C 13 28 40.40 +16 41 36.8 q 160
2017-05-26 23:02:32 C 13 28 32.29 +16 40 21.0 q Z80
2017-05-26 23:13:15 C 13 28 31.30 +16 40 11.8 q Z80
2017-05-26 23:23:59 C 13 28 30.36 +16 40 03.3 q Z80
2017-05-27 08:08:22 C 13 27 43.02 +16 32 40.2 L T08
2017-05-27 08:28:40 C 13 27 41.14 +16 32 22.7 L T08
2017-05-27 08:50:44 C 13 27 39.08 +16 32 04.1 L T08
2017-05-27 09:14:07 C 13 27 36.89 +16 31 43.4 L T08
2017-05-27 21:07:34 C 13 26 33.21 +16 21 20.6 q 160
2017-05-27 21:10:29 C 13 26 32.95 +16 21 18.0 q 160
2017-05-27 21:13:26 C 13 26 32.69 +16 21 15.2 q 160
2017-05-28 08:39:40 C 13 25 31.86 +16 11 16.5 L T05
2017-05-28 09:08:37 C 13 25 29.23 +16 10 50.8 L T05
2017-05-28 09:17:08 C 13 25 28.46 +16 10 43.4 L T05
2017-05-28 09:48:42 C 13 25 25.58 +16 10 15.4 L T05
2017-05-28 21:56:34 C 13 24 22.22 +15 59 22.6 Q 160
2017-05-28 21:59:34 C 13 24 21.94 +15 59 19.8 Q 160
2017-05-28 22:02:34 C 13 24 21.68 +15 59 17.1 Q 160
2017-05-31 21:10:08 C 13 18 25.40 +14 53 11.4 q 160
2017-05-31 21:13:04 C 13 18 25.15 +14 53 08.4 q 160
2017-05-31 21:15:59 C 13 18 24.92 +14 53 05.4 q 160
2017-06-03 20:26:13 C 13 12 57.53 +13 42 44.8 q 160
2017-06-03 20:29:11 C 13 12 57.32 +13 42 41.7 q 160
2017-06-03 20:32:10 C 13 12 57.12 +13 42 37.9 q 160
2017-06-05 07:25:18 C 13 10 27.43 +13 06 52.5 L T08
2017-06-05 07:44:05 C 13 10 26.11 +13 06 32.1 L T08
2017-06-05 08:25:33 C 13 10 22.95 +13 05 49.9 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)