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
2023-12-10 09:15:36 C 09 39 59.933 +51 47 03.59 V 703
2023-12-10 09:18:41 C 09 39 59.890 +51 47 09.82 V 703
2023-12-10 09:24:50 C 09 39 59.483 +51 47 20.83 V 703
2023-12-11 13:35:26 C 09 39 00.485 +52 37 15.13 V T08
2023-12-11 13:39:37 C 09 39 00.276 +52 37 22.48 V T08
2023-12-11 14:06:09 C 09 38 59.167 +52 38 09.02 V T08
2023-12-11 14:13:30 C 09 38 58.819 +52 38 22.38 V T08
2023-12-11 14:17:22 C 09 38 58.654 +52 38 29.29 V T08
2023-12-11 14:21:31 C 09 38 58.450 +52 38 36.28 V T08
2023-12-11 14:31:08 C 09 38 58.061 +52 38 53.66 V T08
2023-12-11 14:49:04 C 09 38 57.252 +52 39 24.98 V T08
2023-12-13 11:19:30 C 09 37 03.821 +53 56 57.70 V T05
2023-12-13 11:22:45 C 09 37 03.660 +53 57 03.42 V T05
2023-12-13 11:50:05 C 09 37 02.239 +53 57 51.01 V T05
2023-12-13 11:59:17 C 09 37 01.752 +53 58 07.61 V T05
2023-12-14 09:28:20 C 09 35 56.440 +54 34 59.48 V 703
2023-12-14 09:30:45 C 09 35 56.350 +54 35 03.91 V 703
2023-12-14 09:31:30 C 09 35 56.260 +54 35 05.71 V 703
2023-12-14 09:33:55 C 09 35 56.281 +54 35 08.59 V 703
2023-12-14 09:34:40 C 09 35 56.119 +54 35 10.75 V 703
2023-12-14 09:37:05 C 09 35 55.986 +54 35 14.86 V 703
2023-12-14 09:37:50 C 09 35 55.986 +54 35 16.33 V 703
2023-12-14 09:40:15 C 09 35 55.828 +54 35 20.76 V 703
2023-12-15 13:20:13 C 09 34 22.366 +55 22 17.62 V T08
2023-12-15 13:24:43 C 09 34 22.114 +55 22 25.14 V T08
2023-12-15 13:26:03 C 09 34 22.006 +55 22 27.44 V T08
2023-12-15 13:28:43 C 09 34 21.852 +55 22 32.23 V T08
2023-12-15 13:29:23 C 09 34 21.804 +55 22 33.35 V T08
2023-12-15 13:34:35 C 09 34 21.446 +55 22 42.06 V T08
2023-12-15 13:37:14 C 09 34 21.331 +55 22 45.95 V T08
2023-12-15 13:41:54 C 09 34 21.007 +55 22 54.08 V T08
2023-12-16 08:51:55 C 09 33 10.386 +55 54 52.92 V 703
2023-12-16 08:55:05 C 09 33 10.138 +55 54 58.21 V 703
2023-12-16 08:58:16 C 09 33 09.961 +55 55 03.54 V 703
2023-12-16 09:01:26 C 09 33 09.626 +55 55 08.98 V 703
2023-12-17 12:51:25 C 09 31 16.574 +56 41 01.68 V T05
2023-12-17 12:54:03 C 09 31 16.363 +56 41 06.22 V T05
2023-12-17 13:01:56 C 09 31 15.746 +56 41 19.36 V T05
2023-12-17 13:09:47 C 09 31 15.134 +56 41 32.06 V T05
2023-12-23 04:40:06 C 09 19 13.697 +60 10 01.49 V U55
2023-12-23 04:53:14 C 09 19 12.384 +60 10 20.21 V U55
2023-12-23 05:06:23 C 09 19 10.951 +60 10 39.72 V U55
2023-12-25 11:51:54 C 09 12 54.077 +61 27 00.14 V T05
2023-12-25 11:55:14 C 09 12 53.640 +61 27 04.43 V T05
2023-12-25 12:22:28 C 09 12 50.136 +61 27 41.65 V T05
2023-12-25 12:27:01 C 09 12 49.514 +61 27 47.81 V T05
2023-12-27 10:08:07 C 09 06 58.037 +62 26 59.78 V T08
2023-12-27 10:13:53 C 09 06 57.101 +62 27 08.57 V T08
2023-12-27 10:34:06 C 09 06 54.434 +62 27 33.73 V T08
2023-12-27 10:50:39 C 09 06 52.075 +62 27 54.72 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)