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
2015-12-10 23:37:42 C 00 58 44.68 +20 09 53.4 u H21
2015-12-10 23:39:40 C 00 58 44.98 +20 10 04.9 u H21
2015-12-10 23:41:38 C 00 58 45.27 +20 10 16.5 u H21
2015-12-10 23:43:35 C 00 58 45.58 +20 10 27.9 u H21
2015-12-10 23:45:33 C 00 58 45.88 +20 10 39.4 u H21
2015-12-10 23:47:30 C 00 58 46.17 +20 10 50.9 u H21
2015-12-10 23:49:28 C 00 58 46.47 +20 11 02.3 u H21
2015-12-10 23:51:25 C 00 58 46.77 +20 11 13.9 u H21
2015-12-10 23:53:22 C 00 58 47.07 +20 11 25.1 u H21
2015-12-10 23:55:19 C 00 58 47.37 +20 11 36.5 u H21
2015-12-10 23:57:16 C 00 58 47.66 +20 11 48.0 u H21
2015-12-12 16:11:43 C 01 05 02.53 +23 46 29.6 u 557
2015-12-12 16:28:06 C 01 05 04.85 +23 47 49.9 u 557
2015-12-12 18:39:11 C 01 05 23.22 +23 58 32.6 q K73
2015-12-12 19:31:40 C 01 05 30.50 +24 02 45.1 q K73
2015-12-12 20:09:35 C 01 05 35.94 +24 05 42.3 u 557
2015-12-12 20:24:52 C 01 05 38.09 +24 06 55.3 u 557
2015-12-12 21:08:58 C 01 05 44.03 +24 10 30.1 q K73
2015-12-17 03:43:30 C 01 19 35.57 +30 50 00.7 q 703
2015-12-17 03:49:59 C 01 19 36.33 +30 50 20.9 q 703
2015-12-17 03:56:29 C 01 19 37.06 +30 50 42.4 q 703
2015-12-17 04:02:58 C 01 19 37.83 +30 51 01.7 q 703
2015-12-18 23:39:09 C 01 24 55.95 +32 57 36.4 u H21
2015-12-18 23:41:06 C 01 24 56.16 +32 57 41.6 u H21
2015-12-18 23:43:04 C 01 24 56.37 +32 57 46.9 u H21
2015-12-18 23:45:01 C 01 24 56.60 +32 57 52.1 u H21
2015-12-18 23:46:59 C 01 24 56.82 +32 57 57.5 u H21
2015-12-18 23:48:57 C 01 24 57.03 +32 58 02.8 u H21
2015-12-18 23:50:54 C 01 24 57.26 +32 58 08.1 u H21
2015-12-18 23:52:52 C 01 24 57.47 +32 58 13.3 u H21
2015-12-18 23:54:49 C 01 24 57.68 +32 58 18.8 u H21
2015-12-18 23:56:47 C 01 24 57.90 +32 58 24.0 u H21
2015-12-18 23:58:45 C 01 24 58.12 +32 58 29.3 u H21
2015-12-19 00:00:42 C 01 24 58.34 +32 58 34.5 u H21
2015-12-19 00:02:40 C 01 24 58.54 +32 58 40.3 u H21
2015-12-19 00:04:37 C 01 24 58.75 +32 58 45.6 u H21
2015-12-19 00:06:23 C 01 24 58.94 +32 58 50.2 u H21
2015-12-19 00:06:35 C 01 24 58.98 +32 58 50.4 u H21
2015-12-19 00:08:21 C 01 24 59.18 +32 58 55.1 u H21
2015-12-19 23:48:59 C 01 27 44.44 +33 59 37.0 u H21
2015-12-19 23:50:57 C 01 27 44.65 +33 59 41.8 u H21
2015-12-19 23:52:55 C 01 27 44.87 +33 59 46.7 u H21
2015-12-19 23:54:52 C 01 27 45.09 +33 59 51.4 u H21
2015-12-19 23:56:50 C 01 27 45.29 +33 59 56.5 u H21
2015-12-19 23:58:48 C 01 27 45.50 +34 00 01.1 u H21
2015-12-20 00:00:45 C 01 27 45.71 +34 00 05.9 u H21
2015-12-20 00:02:43 C 01 27 45.91 +34 00 11.0 u H21
2015-12-20 00:04:41 C 01 27 46.14 +34 00 15.7 u H21
2015-12-20 00:06:50 C 01 27 46.36 +34 00 20.9 u H21
2015-12-20 00:08:47 C 01 27 46.58 +34 00 25.8 u H21
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)