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
2017-11-22 14:37:40 C 07 30 31.29 +13 30 12.2 U T05
2017-11-24 12:54:12 C 07 04 58.74 +24 12 08.1 U T08
2017-11-24 13:07:01 C 07 04 51.30 +24 14 51.6 U T08
2017-11-24 13:09:58 C 07 04 49.58 +24 15 29.3 U T08
2017-11-24 13:13:58 C 07 04 47.25 +24 16 20.3 U T08
2017-11-26 00:04:53 C 06 45 30.92 +31 05 52.1 U Z80
2017-11-26 00:06:59 C 06 45 29.73 +31 06 14.7 U Z80
2017-11-26 00:09:04 C 06 45 28.56 +31 06 37.4 U Z80
2017-11-26 00:11:09 C 06 45 27.37 +31 07 00.1 U Z80
2017-11-26 00:13:15 C 06 45 26.20 +31 07 22.8 U Z80
2017-11-26 00:15:20 C 06 45 25.00 +31 07 45.5 U Z80
2017-11-26 00:17:26 C 06 45 23.82 +31 08 08.0 U Z80
2017-11-26 00:19:31 C 06 45 22.63 +31 08 30.7 U Z80
2017-11-26 00:21:37 C 06 45 21.46 +31 08 53.5 U Z80
2017-11-26 00:23:43 C 06 45 20.27 +31 09 16.2 U Z80
2017-11-26 07:46:57 C 06 41 16.88 +32 27 35.4 U 703
2017-11-26 08:02:27 C 06 41 08.04 +32 30 16.5 U 703
2017-11-26 08:10:09 C 06 41 03.65 +32 31 36.6 U 703
2017-11-26 09:28:36 C 06 40 17.19 +32 45 00.9 q H45
2017-11-26 09:29:45 C 06 40 16.53 +32 45 12.7 q H45
2017-11-26 09:30:43 C 06 40 15.99 +32 45 22.4 q H45
2017-11-26 09:31:43 C 06 40 15.43 +32 45 32.5 q H45
2017-11-26 09:32:37 C 06 40 14.91 +32 45 41.7 q H45
2017-11-26 09:33:27 C 06 40 14.43 +32 45 50.2 q H45
2017-11-27 02:24:00 C 06 31 08.78 +35 29 42.1 q W33
2017-11-27 02:25:35 C 06 31 07.92 +35 29 56.9 q W33
2017-11-27 02:49:30 C 06 30 54.69 +35 33 43.8 q W33
2017-11-27 02:51:05 C 06 30 53.91 +35 33 57.8 q W33
2017-11-27 02:52:41 C 06 30 53.01 +35 34 12.7 q W33
2017-11-27 03:18:10 C 06 30 38.94 +35 38 11.8 q W33
2017-11-28 00:48:37 C 06 19 00.73 +38 44 30.2 q 160
2017-11-28 00:50:53 C 06 18 59.50 +38 44 48.5 q 160
2017-11-28 00:53:05 C 06 18 58.28 +38 45 06.5 q 160
2017-11-28 21:05:58 C 06 08 23.55 +41 18 09.9 q 006
2017-11-28 21:07:00 C 06 08 23.00 +41 18 17.5 q 006
2017-11-28 21:08:02 C 06 08 22.44 +41 18 24.8 q 006
2017-11-28 21:09:04 C 06 08 21.92 +41 18 32.5 q 006
2017-11-28 21:10:05 C 06 08 21.40 +41 18 39.9 q 006
2017-11-28 21:11:07 C 06 08 20.86 +41 18 47.2 q 006
2017-11-28 21:12:10 C 06 08 20.28 +41 18 55.0 q 006
2017-11-28 21:13:11 C 06 08 19.77 +41 19 02.1 q 006
2017-11-29 22:31:14 C 05 55 22.13 +44 04 16.4 U Z80
2017-11-29 22:33:29 C 05 55 20.93 +44 04 30.3 U Z80
2017-11-29 22:35:44 C 05 55 19.81 +44 04 43.6 U Z80
2017-11-29 22:38:00 C 05 55 18.66 +44 04 57.5 U Z80
2017-11-29 22:40:14 C 05 55 17.46 +44 05 11.0 U Z80
2017-11-29 22:42:30 C 05 55 16.34 +44 05 24.7 U Z80
2017-11-29 22:43:59 C 05 55 15.56 +44 05 33.8 U Z80
2017-11-29 22:47:56 C 05 55 13.51 +44 05 57.5 U Z80
2017-11-29 22:49:15 C 05 55 12.85 +44 06 05.7 U Z80
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)