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
2017-12-06 19:08:54 C 04 45 18.65 +53 51 11.1 q 006
2017-12-07 06:49:31 C 04 41 18.23 +54 12 32.1 U 703
2017-12-07 06:58:14 C 04 41 15.20 +54 12 47.3 U 703
2017-12-07 07:06:55 C 04 41 12.16 +54 13 02.0 U 703
2017-12-07 07:15:23 C 04 41 09.10 +54 13 17.7 U 703
2017-12-07 10:37:40 C 04 40 01.80 +54 19 06.9 U T08
2017-12-07 10:40:58 C 04 40 00.65 +54 19 12.4 U T08
2017-12-07 10:42:57 C 04 39 59.96 +54 19 15.6 U T08
2017-12-07 11:09:50 C 04 39 50.63 +54 19 59.5 U T08
2017-12-07 11:11:49 C 04 39 49.94 +54 20 02.7 U T08
2017-12-07 11:29:33 C 04 39 43.80 +54 20 31.4 U T08
2017-12-08 23:42:36 C 04 28 29.54 +55 13 05.5 U Z80
2017-12-08 23:45:59 C 04 28 28.58 +55 13 10.0 U Z80
2017-12-08 23:49:21 C 04 28 27.48 +55 13 14.2 U Z80
2017-12-08 23:52:44 C 04 28 26.45 +55 13 18.6 U Z80
2017-12-08 23:56:06 C 04 28 25.44 +55 13 22.9 U Z80
2017-12-09 10:45:45 C 04 25 16.95 +55 26 52.9 U T05
2017-12-09 10:52:26 C 04 25 14.94 +55 27 00.5 U T05
2017-12-09 11:23:32 C 04 25 05.61 +55 27 35.2 U T05
2017-12-09 19:54:39 C 04 22 46.90 +55 36 55.8 q 006
2017-12-09 19:56:33 C 04 22 46.35 +55 36 58.9 q 006
2017-12-09 19:59:05 C 04 22 45.60 +55 37 00.9 q 006
2017-12-09 20:01:37 C 04 22 44.98 +55 37 03.9 q 006
2017-12-09 20:04:09 C 04 22 44.22 +55 37 07.6 q 006
2017-12-09 20:06:41 C 04 22 43.40 +55 37 10.0 q 006
2017-12-09 20:09:13 C 04 22 42.70 +55 37 11.5 q 006
2017-12-09 20:11:45 C 04 22 41.97 +55 37 14.5 q 006
2017-12-11 10:33:53 C 04 12 42.28 +56 13 40.9 U T08
2017-12-11 10:41:47 C 04 12 40.24 +56 13 46.9 U T08
2017-12-11 10:58:41 C 04 12 35.88 +56 13 59.8 U T08
2017-12-13 03:31:06 C 04 03 28.44 +56 41 37.6 q H15
2017-12-13 03:40:09 C 04 03 26.41 +56 41 43.4 q H15
2017-12-13 03:49:12 C 04 03 24.34 +56 41 48.7 q H15
2017-12-13 11:17:51 C 04 01 47.61 +56 46 01.9 U T05
2017-12-13 11:19:49 C 04 01 47.17 +56 46 02.8 U T05
2017-12-13 11:27:42 C 04 01 45.46 +56 46 06.6 U T05
2017-12-15 09:54:37 C 03 53 00.63 +57 06 29.1 U T08
2017-12-15 09:55:55 C 03 53 00.37 +57 06 29.2 U T08
2017-12-15 10:15:30 C 03 52 56.73 +57 06 35.5 U T08
2017-12-15 10:23:25 C 03 52 55.27 +57 06 37.9 U T08
2017-12-15 10:24:44 C 03 52 55.02 +57 06 38.4 U T08
2017-12-15 10:41:02 C 03 52 51.99 +57 06 43.2 U T08
2017-12-15 10:43:01 C 03 52 51.63 +57 06 43.7 U T08
2017-12-15 20:20:30 C 03 51 16.64 +57 09 45.0 q 006
2017-12-15 20:22:29 C 03 51 16.31 +57 09 45.6 q 006
2017-12-15 20:25:29 C 03 51 15.77 +57 09 46.8 q 006
2017-12-15 20:28:29 C 03 51 15.25 +57 09 48.1 q 006
2017-12-15 20:35:29 C 03 51 14.01 +57 09 50.1 q 006
2017-12-18 00:45:42 C 03 43 20.55 +57 22 03.9 c J53
2017-12-18 00:51:16 C 03 43 19.76 +57 22 04.5 c J53
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)