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
2023-11-20 14:37:41 C 09 36 58.260 +37 25 56.78 V T05
2023-11-20 14:43:43 C 09 36 58.426 +37 26 07.94 V T05
2023-11-20 14:59:02 C 09 36 58.930 +37 26 35.92 V T05
2023-11-22 11:39:39 C 09 38 29.065 +38 46 30.97 V 703
2023-11-22 11:47:07 C 09 38 29.238 +38 46 44.90 V 703
2023-11-22 12:02:06 C 09 38 29.602 +38 47 11.65 V 703
2023-11-24 10:25:12 C 09 39 51.110 +40 10 46.13 V T05
2023-11-24 10:29:53 C 09 39 51.264 +40 10 55.45 V T05
2023-11-24 10:37:45 C 09 39 51.478 +40 11 09.10 V T05
2023-11-24 11:28:43 C 09 39 52.718 +40 12 43.06 V T05
2023-12-04 09:57:10 C 09 42 36.731 +47 28 10.56 V 703
2023-12-04 10:00:17 C 09 42 36.684 +47 28 16.03 V 703
2023-12-04 10:03:24 C 09 42 36.673 +47 28 21.97 V 703
2023-12-04 10:06:30 C 09 42 36.706 +47 28 27.98 V 703
2023-12-04 13:00:19 C 09 42 35.755 +47 33 47.59 V T05
2023-12-04 13:02:56 C 09 42 35.724 +47 33 52.56 V T05
2023-12-04 13:06:57 C 09 42 35.688 +47 33 59.83 V T05
2023-12-04 13:17:36 C 09 42 35.546 +47 34 19.49 V T05
2023-12-04 13:19:34 C 09 42 35.566 +47 34 23.45 V T05
2023-12-04 13:20:13 C 09 42 35.525 +47 34 24.17 V T05
2023-12-04 13:34:26 C 09 42 35.249 +47 34 52.50 V T05
2023-12-04 13:44:35 C 09 42 35.256 +47 35 09.10 V T05
2023-12-05 13:40:25 C 09 42 23.455 +48 18 47.95 V T08
2023-12-05 13:45:10 C 09 42 23.422 +48 18 56.77 V T08
2023-12-05 13:52:29 C 09 42 23.314 +48 19 10.24 V T08
2023-12-05 14:12:22 C 09 42 23.011 +48 19 47.03 V T08
2023-12-06 14:21:35 C 09 42 04.951 +49 03 41.36 V T05
2023-12-06 14:42:42 C 09 42 04.543 +49 04 20.10 V T05
2023-12-06 14:46:54 C 09 42 04.450 +49 04 27.62 V T05
2023-12-06 14:50:56 C 09 42 04.382 +49 04 34.68 V T05
2023-12-07 12:08:52 C 09 41 44.023 +49 43 07.79 V T08
2023-12-07 12:13:46 C 09 41 43.903 +49 43 17.08 V T08
2023-12-07 12:14:26 C 09 41 43.889 +49 43 17.94 V T08
2023-12-07 12:21:20 C 09 41 43.754 +49 43 30.79 V T08
2023-12-07 12:23:20 C 09 41 43.709 +49 43 34.32 V T08
2023-12-07 12:26:12 C 09 41 43.615 +49 43 39.65 V T08
2023-12-07 12:37:52 C 09 41 43.378 +49 44 01.28 V T08
2023-12-07 12:44:10 C 09 41 43.236 +49 44 12.59 V T08
2023-12-08 09:19:29 C 09 41 17.905 +50 21 18.00 V 703
2023-12-08 09:22:34 C 09 41 17.826 +50 21 23.98 V 703
2023-12-08 09:25:39 C 09 41 17.747 +50 21 29.52 V 703
2023-12-08 09:28:44 C 09 41 17.668 +50 21 35.21 V 703
2023-12-08 13:38:10 C 09 41 11.712 +50 29 07.62 V T05
2023-12-08 13:40:47 C 09 41 11.647 +50 29 12.26 V T05
2023-12-08 13:47:43 C 09 41 11.434 +50 29 24.76 V T05
2023-12-08 13:56:11 C 09 41 11.201 +50 29 40.09 V T05
2023-12-10 07:47:26 C 09 40 03.065 +51 44 25.15 V G96
2023-12-10 07:54:21 C 09 40 02.834 +51 44 37.64 V G96
2023-12-10 08:01:19 C 09 40 02.586 +51 44 50.21 V G96
2023-12-10 08:08:15 C 09 40 02.348 +51 45 02.74 V G96
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)