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
2019-12-29 06:52:31 C 05 34 51.05 +65 38 35.6 U I41
2019-12-29 09:48:40 C 05 34 14.27 +65 38 38.0 V T08
2019-12-29 09:53:20 C 05 34 13.25 +65 38 38.0 V T08
2019-12-29 10:01:52 C 05 34 11.41 +65 38 37.9 V T08
2019-12-29 10:22:30 C 05 34 06.93 +65 38 37.4 V T08
2019-12-31 10:27:13 C 05 24 39.164 +65 35 32.46 U F51
2019-12-31 10:46:06 C 05 24 35.464 +65 35 29.84 U F51
2019-12-31 11:05:05 C 05 24 31.760 +65 35 27.12 U F51
2019-12-31 11:23:57 C 05 24 28.079 +65 35 24.36 U F51
2020-01-02 02:31:55 C 05 17 32.47 +65 29 14.3 q I15
2020-01-02 02:35:01 C 05 17 31.98 +65 29 13.7 q I15
2020-01-02 02:38:06 C 05 17 31.43 +65 29 13.1 q I15
2020-01-02 05:37:58 C 05 17 00.96 +65 28 40.4 V 703
2020-01-02 05:46:20 C 05 16 59.46 +65 28 38.7 V 703
2020-01-02 05:54:40 C 05 16 57.96 +65 28 37.0 V 703
2020-01-02 06:02:58 C 05 16 56.45 +65 28 35.4 V 703
2020-01-02 09:46:33 C 05 16 18.75 +65 27 52.6 V T08
2020-01-02 09:50:45 C 05 16 18.01 +65 27 51.6 V T08
2020-01-02 09:59:17 C 05 16 16.52 +65 27 49.9 V T08
2020-01-02 10:23:45 C 05 16 12.23 +65 27 44.2 V T08
2020-01-03 16:32:01 C 05 11 25.69 +65 20 48.5 q C97
2020-01-03 16:34:13 C 05 11 25.38 +65 20 47.4 q C97
2020-01-03 16:36:25 C 05 11 25.05 +65 20 47.4 q C97
2020-01-03 16:38:36 C 05 11 24.71 +65 20 46.9 q C97
2020-01-05 02:35:21 C 05 06 27.77 +65 11 22.8 V 703
2020-01-05 02:44:16 C 05 06 26.53 +65 11 20.6 V 703
2020-01-05 02:53:13 C 05 06 25.20 +65 11 18.2 V 703
2020-01-05 03:02:13 C 05 06 23.91 +65 11 15.9 V 703
2020-01-05 18:11:42 C 05 04 20.59 +65 06 33.8 U K83
2020-01-05 18:15:30 C 05 04 20.03 +65 06 32.4 U K83
2020-01-05 18:20:50 C 05 04 19.34 +65 06 31.0 U K83
2020-01-09 03:35:12 C 04 54 49.86 +64 37 48.8 u H21
2020-01-09 03:37:09 C 04 54 49.68 +64 37 47.7 u H21
2020-01-09 03:39:01 C 04 54 49.44 +64 37 47.2 u H21
2020-01-09 03:40:59 C 04 54 49.27 +64 37 46.5 u H21
2020-01-09 03:42:57 C 04 54 49.02 +64 37 45.6 u H21
2020-01-09 03:44:54 C 04 54 48.77 +64 37 45.1 u H21
2020-01-09 03:46:51 C 04 54 48.57 +64 37 44.2 u H21
2020-01-09 03:48:48 C 04 54 48.35 +64 37 43.6 u H21
2020-01-09 03:50:45 C 04 54 48.18 +64 37 42.9 u H21
2020-01-09 03:52:31 C 04 54 47.98 +64 37 42.0 u H21
2020-01-09 03:54:10 C 04 54 47.80 +64 37 41.4 u H21
2020-01-14 04:12:49 C 04 45 05.86 +63 47 09.3 V 703
2020-01-14 04:21:23 C 04 45 05.26 +63 47 05.4 V 703
2020-01-14 04:29:51 C 04 45 04.68 +63 47 02.0 V 703
2020-01-14 04:38:16 C 04 45 04.05 +63 46 58.3 V 703
2020-01-18 09:57:54 C 04 40 15.96 +63 00 48.1 V T08
2020-01-18 10:02:33 C 04 40 15.75 +63 00 45.8 V T08
2020-01-18 10:11:22 C 04 40 15.41 +63 00 41.7 V T08
2020-01-18 10:30:06 C 04 40 14.74 +63 00 32.4 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)