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
2025-05-11 22:18:54 C 16 56 05.561 -05 56 32.96 V M22
2025-05-11 23:11:50 B 16 56 01.769 -05 58 09.05 X K87
2025-05-11 23:15:00 B 16 56 01.562 -05 58 13.12 X K87
2025-05-11 23:18:09 B 16 56 01.320 -05 58 17.22 X K87
2025-05-12 01:05:36 C 16 55 54.142 -06 00 31.10 V R17
2025-05-12 01:26:09 C 16 55 52.627 -06 00 57.67 V R17
2025-05-12 01:46:40 C 16 55 51.106 -06 01 24.46 V R17
2025-05-12 02:07:12 C 16 55 49.586 -06 01 51.49 V R17
2025-05-12 05:58:41 C 16 55 34.339 -06 06 55.80 U I41
2025-05-12 06:32:48 C 16 55 31.841 -06 07 41.02 U I41
2025-05-12 06:34:10 C 16 55 31.740 -06 07 42.82 U I41
2025-05-12 08:33:18 C 16 55 22.819 -06 10 21.00 U I41
2025-05-12 21:58:52 C 16 54 25.296 -06 28 35.87 Z C23
2025-05-12 22:33:23 C 16 54 22.594 -06 29 24.86 Z C23
2025-05-13 23:59:04 B 16 52 24.144 -07 05 59.35 V L65
2025-05-14 00:03:15 B 16 52 23.801 -07 06 05.47 V L65
2025-05-14 00:07:25 B 16 52 23.448 -07 06 11.77 V L65
2025-05-14 22:01:37 C 16 50 33.360 -07 39 57.06 Z C23
2025-05-14 22:04:29 C 16 50 33.142 -07 40 01.92 Z C23
2025-05-14 22:06:48 C 16 50 32.921 -07 40 05.74 Z C23
2025-05-16 02:15:35 C 16 47 57.067 -08 26 43.98 V R17
2025-05-16 02:35:51 C 16 47 54.979 -08 27 19.15 V R17
2025-05-16 02:55:56 C 16 47 52.908 -08 27 53.89 V R17
2025-05-16 03:16:07 C 16 47 50.825 -08 28 28.88 V R17
2025-05-16 21:20:12 C 16 46 03.931 -09 00 44.17 V M52
2025-05-16 21:59:09 C 16 45 59.726 -09 01 55.99 V M52
2025-05-17 00:21:04 B 16 45 44.261 -09 06 21.10 V L65
2025-05-17 00:25:15 B 16 45 43.798 -09 06 28.80 V L65
2025-05-17 00:29:26 B 16 45 43.351 -09 06 36.61 V L65
2025-05-17 21:17:36 C 16 43 29.592 -09 46 10.78 V M52
2025-05-17 21:43:41 C 16 43 26.489 -09 47 03.88 Z C23
2025-05-17 21:44:49 C 16 43 26.326 -09 47 06.86 Z C23
2025-05-17 22:21:54 C 16 43 22.070 -09 48 17.82 V M52
2025-05-18 01:36:00 C 16 42 58.714 -09 54 11.70 V M22
2025-05-18 01:40:34 C 16 42 58.171 -09 54 20.77 V M22
2025-05-18 01:59:36 C 16 42 55.898 -09 54 58.46 V M22
2025-05-18 02:19:10 C 16 42 53.570 -09 55 37.27 V M22
2025-05-18 02:38:06 C 16 42 52.183 -09 56 42.54 V R17
2025-05-18 02:58:37 C 16 42 49.706 -09 57 23.44 V R17
2025-05-18 03:19:10 C 16 42 47.218 -09 58 04.37 V R17
2025-05-18 03:39:41 C 16 42 44.746 -09 58 45.37 V R17
2025-05-19 10:40:11 C 16 38 59.950 -11 03 45.60 V G96
2025-05-19 10:49:10 C 16 38 58.760 -11 04 05.20 V G96
2025-05-19 10:56:52 C 16 38 57.732 -11 04 21.83 V G96
2025-05-19 11:51:58 C 16 38 51.456 -11 06 19.22 V T08
2025-05-19 12:02:28 C 16 38 50.026 -11 06 42.34 V T08
2025-05-19 12:07:48 C 16 38 49.306 -11 06 54.00 V T08
2025-05-19 22:16:47 C 16 37 31.166 -11 29 45.38 Z C23
2025-05-19 23:15:27 C 16 37 23.117 -11 31 59.34 Z C23
2025-05-19 23:29:04 B 16 37 21.142 -11 32 30.55 V L65
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)