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
2021-05-08 23:51:14 C 15 11 52.77 +12 01 40.0 V 160
2021-05-09 06:41:44 C 15 11 01.98 +11 59 49.8 U I41
2021-05-09 06:43:06 C 15 11 01.80 +11 59 49.4 U I41
2021-05-09 07:06:44 C 15 10 58.76 +11 59 42.8 U I41
2021-05-09 07:58:02 C 15 10 52.16 +11 59 28.5 U I41
2021-05-09 08:06:14 C 15 10 51.10 +11 59 26.3 U I41
2021-05-09 09:10:42 C 15 10 43.39 +11 59 10.9 V T05
2021-05-09 09:13:20 C 15 10 43.05 +11 59 10.2 V T05
2021-05-09 09:17:17 C 15 10 42.54 +11 59 09.2 V T05
2021-05-09 10:07:23 C 15 10 36.06 +11 58 55.1 V T05
2021-05-11 09:09:14 C 15 04 33.87 +11 43 48.6 V T08
2021-05-11 09:11:53 C 15 04 33.51 +11 43 47.8 V T08
2021-05-11 09:17:12 C 15 04 32.79 +11 43 45.8 V T08
2021-05-11 10:08:12 C 15 04 25.88 +11 43 27.7 V T08
2021-05-11 10:36:12 C 15 04 22.12 +11 43 17.3 V T08
2021-05-11 10:55:56 C 15 04 19.41 +11 43 10.3 V T08
2021-05-11 12:16:32 C 15 04 08.502 +11 42 40.37 U F51
2021-05-11 12:34:32 C 15 04 06.069 +11 42 33.67 U F51
2021-05-11 12:52:34 C 15 04 03.635 +11 42 26.96 U F51
2021-05-12 09:14:58 C 15 01 21.95 +11 34 40.9 V T05
2021-05-12 09:18:17 C 15 01 21.50 +11 34 39.6 V T05
2021-05-12 09:22:14 C 15 01 20.95 +11 34 37.7 V T05
2021-05-12 09:30:11 C 15 01 19.86 +11 34 34.8 V T05
2021-05-13 09:09:23 C 14 58 07.66 +11 24 39.6 V T05
2021-05-13 09:12:01 C 14 58 07.29 +11 24 38.3 V T05
2021-05-13 09:16:47 C 14 58 06.61 +11 24 36.4 V T05
2021-05-13 09:24:45 C 14 58 05.50 +11 24 33.0 V T05
2021-05-15 09:08:19 C 14 51 26.70 +11 01 33.9 V T08
2021-05-15 09:23:12 C 14 51 24.53 +11 01 26.1 V T08
2021-05-15 09:44:05 C 14 51 21.48 +11 01 15.2 V T08
2021-05-15 10:20:04 C 14 51 16.22 +11 00 56.2 V T08
2021-05-16 10:22:31 C 14 47 50.16 +10 47 45.8 V T05
2021-05-16 10:30:06 C 14 47 49.03 +10 47 41.4 V T05
2021-05-16 10:54:13 C 14 47 45.47 +10 47 27.5 V T05
2021-05-17 11:34:24 C 14 44 10.69 +10 32 49.7 V T05
2021-05-17 11:50:34 C 14 44 08.27 +10 32 39.8 V T05
2021-05-17 12:02:12 C 14 44 06.52 +10 32 32.2 V T05
2021-05-17 20:30:44 C 14 42 53.07 +10 27 09.5 V G17
2021-05-17 20:34:34 C 14 42 52.50 +10 27 06.6 V G17
2021-05-17 20:38:24 C 14 42 51.91 +10 27 04.2 V G17
2021-05-18 09:59:41 C 14 40 53.51 +10 18 34.0 V T08
2021-05-18 10:09:38 C 14 40 51.99 +10 18 27.5 V T08
2021-05-18 10:14:16 C 14 40 51.29 +10 18 24.4 V T08
2021-05-18 10:34:41 C 14 40 48.19 +10 18 11.0 V T08
2021-05-19 08:02:25 C 14 37 37.72 +10 03 37.7 V T08
2021-05-19 08:05:04 C 14 37 37.31 +10 03 35.7 V T08
2021-05-19 08:09:03 C 14 37 36.70 +10 03 33.0 V T08
2021-05-19 09:00:21 C 14 37 28.82 +10 02 57.2 V T08
2021-05-19 20:22:39 C 14 35 46.80 +09 54 45.3 V 089
2021-05-19 20:26:00 C 14 35 46.29 +09 54 43.3 V 089
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)