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
2021-05-19 20:29:21 C 14 35 45.76 +09 54 40.1 V 089
2021-05-19 20:32:42 C 14 35 45.27 +09 54 38.1 V 089
2021-05-19 20:36:03 C 14 35 44.76 +09 54 35.7 V 089
2021-05-19 20:39:24 C 14 35 44.25 +09 54 33.8 V 089
2021-05-19 20:42:45 C 14 35 43.69 +09 54 31.2 V 089
2021-05-19 20:46:06 C 14 35 43.22 +09 54 28.4 V 089
2021-05-19 20:49:27 C 14 35 42.69 +09 54 26.0 V 089
2021-05-20 03:05:38 C 14 34 46.56 +09 49 55.1 V W46
2021-05-20 03:50:26 C 14 34 39.63 +09 49 22.5 V W46
2021-05-20 04:01:37 C 14 34 37.91 +09 49 14.5 V W46
2021-05-20 04:59:09 C 14 34 29.49 +09 48 32.1 V G96
2021-05-20 05:06:32 C 14 34 28.35 +09 48 26.7 V G96
2021-05-20 05:13:57 C 14 34 27.21 +09 48 21.3 V G96
2021-05-20 05:21:19 C 14 34 26.07 +09 48 15.9 V G96
2021-05-20 10:50:41 C 14 33 35.87 +09 44 14.2 V T05
2021-05-20 11:10:26 C 14 33 32.81 +09 43 59.2 V T05
2021-05-20 11:22:04 C 14 33 31.02 +09 43 50.4 V T05
2021-05-20 11:26:36 C 14 33 30.31 +09 43 47.1 V T05
2021-05-22 05:10:27 C 14 27 11.36 +09 10 50.7 U I41
2021-05-22 05:11:49 C 14 27 11.15 +09 10 49.4 U I41
2021-05-22 06:50:53 C 14 26 55.63 +09 09 27.5 U I41
2021-05-22 06:52:13 C 14 26 55.41 +09 09 26.4 U I41
2021-05-25 21:14:07 C 14 13 38.78 +07 50 54.3 V 130
2021-05-25 21:16:19 C 14 13 38.45 +07 50 52.1 V 130
2021-05-25 21:18:32 C 14 13 38.09 +07 50 50.1 V 130
2021-05-25 21:20:53 C 14 13 37.70 +07 50 47.5 V 130
2021-05-26 10:29:44 C 14 11 35.28 +07 37 47.4 V T08
2021-05-26 10:35:03 C 14 11 34.44 +07 37 42.0 V T08
2021-05-26 10:43:01 C 14 11 33.18 +07 37 34.0 V T08
2021-05-26 11:34:23 C 14 11 25.06 +07 36 41.4 V T08
2021-05-27 23:26:07 C 14 05 53.22 +06 59 14.1 V L63
2021-05-27 23:35:53 C 14 05 51.67 +06 59 03.3 V L63
2021-05-27 23:45:20 C 14 05 50.21 +06 58 53.3 V L63
2021-05-28 09:52:00 C 14 04 16.75 +06 48 04.1 V T05
2021-05-28 10:06:35 C 14 04 14.45 +06 47 48.2 V T05
2021-05-28 10:07:54 C 14 04 14.23 +06 47 46.7 V T05
2021-05-28 10:17:51 C 14 04 12.67 +06 47 35.8 V T05
2021-05-28 10:19:51 C 14 04 12.35 +06 47 33.7 V T05
2021-05-28 10:23:08 C 14 04 11.82 +06 47 30.0 V T05
2021-05-28 10:24:27 C 14 04 11.63 +06 47 28.7 V T05
2021-05-28 10:37:44 C 14 04 09.53 +06 47 14.4 V T05
2021-05-30 03:32:30 C 13 57 53.19 +06 01 11.4 V V93
2021-05-30 04:25:00 C 13 57 44.98 +06 00 10.5 V V93
2021-05-30 05:18:38 C 13 57 36.56 +05 59 08.2 V V93
2021-05-30 06:20:51 C 13 57 27.882 +05 58 01.68 U F51
2021-05-30 06:37:54 C 13 57 25.198 +05 57 41.97 U F51
2021-05-30 06:54:56 C 13 57 22.517 +05 57 22.22 U F51
2021-05-30 07:12:01 C 13 57 19.823 +05 57 02.39 U F51
2021-05-30 08:34:28 C 13 57 06.82 +05 55 27.0 V T08
2021-05-30 08:39:13 C 13 57 06.07 +05 55 21.5 V 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)