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
2015-12-20 00:10:44 C 01 27 46.79 +34 00 30.8 u H21
2015-12-20 00:12:41 C 01 27 46.99 +34 00 35.5 u H21
2015-12-20 18:34:26 C 01 29 51.87 +34 44 12.8 c A24
2015-12-20 18:34:49 C 01 29 51.87 +34 44 13.7 c A24
2015-12-20 18:49:39 C 01 29 53.43 +34 44 48.1 c A24
2015-12-20 19:11:47 C 01 29 55.80 +34 45 38.7 c A24
2015-12-20 19:12:09 C 01 29 55.82 +34 45 39.7 c A24
2015-12-20 19:51:20 C 01 29 59.96 +34 47 09.5 c A24
2015-12-20 19:51:42 C 01 30 00.01 +34 47 10.2 c A24
2015-12-20 20:13:31 C 01 30 02.32 +34 48 00.0 c A24
2015-12-20 20:13:54 C 01 30 02.36 +34 48 00.7 c A24
2015-12-24 03:36:00 C 01 38 39.31 +37 27 50.4 u H21
2015-12-24 03:38:10 C 01 38 39.51 +37 27 54.3 u H21
2015-12-24 03:40:07 C 01 38 39.71 +37 27 57.8 u H21
2015-12-24 03:42:05 C 01 38 39.91 +37 28 01.2 u H21
2015-12-24 03:44:03 C 01 38 40.09 +37 28 04.3 u H21
2015-12-24 03:46:00 C 01 38 40.30 +37 28 07.6 u H21
2015-12-24 03:47:58 C 01 38 40.49 +37 28 11.4 u H21
2015-12-24 03:49:56 C 01 38 40.68 +37 28 14.6 u H21
2015-12-24 03:51:56 C 01 38 40.88 +37 28 17.9 u H21
2015-12-24 03:58:06 C 01 38 41.51 +37 28 28.7 u H21
2015-12-25 18:58:41 C 01 42 45.71 +38 33 23.1 c A24
2015-12-25 18:59:43 C 01 42 45.81 +38 33 24.6 c A24
2015-12-25 19:30:49 C 01 42 48.83 +38 34 13.2 c A24
2015-12-25 20:02:19 C 01 42 51.88 +38 35 02.2 c A24
2015-12-25 20:03:21 C 01 42 51.97 +38 35 03.6 c A24
2015-12-25 20:33:18 C 01 42 54.88 +38 35 49.7 c A24
2015-12-25 20:34:19 C 01 42 54.98 +38 35 51.4 c A24
2015-12-25 23:42:56 C 01 43 15.49 +38 40 46.9 u H21
2015-12-25 23:44:53 C 01 43 15.68 +38 40 50.1 u H21
2015-12-25 23:46:51 C 01 43 15.86 +38 40 53.0 u H21
2015-12-25 23:48:49 C 01 43 16.05 +38 40 56.1 u H21
2015-12-25 23:50:46 C 01 43 16.24 +38 40 59.1 u H21
2015-12-25 23:52:43 C 01 43 16.42 +38 41 02.3 u H21
2015-12-25 23:54:40 C 01 43 16.61 +38 41 05.3 u H21
2015-12-25 23:56:37 C 01 43 16.80 +38 41 08.3 u H21
2015-12-25 23:58:34 C 01 43 17.02 +38 41 11.3 u H21
2015-12-26 00:00:31 C 01 43 17.17 +38 41 14.2 u H21
2015-12-26 00:02:28 C 01 43 17.38 +38 41 17.4 u H21
2015-12-26 00:04:25 C 01 43 17.59 +38 41 20.4 u H21
2015-12-26 00:06:11 C 01 43 17.74 +38 41 23.1 u H21
2015-12-26 20:18:23 C 01 45 20.10 +39 11 35.3 q C47
2015-12-26 20:24:14 C 01 45 20.65 +39 11 43.8 q C47
2015-12-26 20:30:37 C 01 45 21.27 +39 11 52.8 q C47
2015-12-26 20:36:27 C 01 45 21.83 +39 12 01.3 q C47
2015-12-26 20:42:18 C 01 45 22.40 +39 12 09.6 q C47
2015-12-27 20:28:52 C 01 47 46.24 +39 45 37.2 S K14
2015-12-27 20:38:17 C 01 47 47.12 +39 45 49.8 S K14
2015-12-30 12:22:28 C 01 54 04.91 +41 05 05.9 o 300
2015-12-30 12:26:47 C 01 54 05.31 +41 05 10.2 o 300
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)