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
2017-07-05 07:10:10 C 12 44 15.49 -01 07 24.4 L T08
2017-07-05 07:21:38 C 12 44 15.37 -01 07 39.5 L T08
2017-07-05 07:34:36 C 12 44 15.30 -01 07 55.6 L T08
2017-07-11 06:11:48 C 12 43 49.89 -04 11 24.6 L T05
2017-07-11 06:22:09 C 12 43 49.87 -04 11 38.1 L T05
2017-07-11 06:35:22 C 12 43 49.86 -04 11 54.9 L T05
2017-07-11 06:46:48 C 12 43 49.85 -04 12 10.5 L T05
2017-07-15 06:43:24 C 12 44 11.55 -06 17 22.8 L T05
2017-07-15 06:55:31 C 12 44 11.63 -06 17 38.8 L T05
2017-07-15 07:07:57 C 12 44 11.68 -06 17 55.2 L T05
2017-07-15 07:20:24 C 12 44 11.75 -06 18 10.9 L T05
2017-07-17 06:09:20 C 12 44 32.72 -07 19 49.4 L T08
2017-07-17 06:18:27 C 12 44 32.75 -07 20 01.4 L T08
2017-07-17 06:30:21 C 12 44 32.85 -07 20 16.7 L T08
2017-07-17 06:42:59 C 12 44 32.94 -07 20 34.3 L T08
2017-07-27 06:22:39 C 12 47 50.28 -12 42 15.0 L T05
2017-07-27 06:27:34 C 12 47 50.38 -12 42 21.8 L T05
2017-07-27 06:36:02 C 12 47 50.51 -12 42 33.1 L T05
2017-07-27 06:47:20 C 12 47 50.72 -12 42 48.8 L T05
2017-11-14 14:01:34 C 09 05 29.68 -29 15 18.0 U T08
2017-11-14 14:05:35 C 09 05 27.90 -29 14 41.4 U T08
2017-11-14 14:16:52 C 09 05 22.86 -29 12 58.8 U T08
2017-11-14 14:21:33 C 09 05 20.78 -29 12 16.2 U T08
2017-11-14 14:32:10 C 09 05 16.03 -29 10 39.1 U T08
2017-11-14 14:36:49 C 09 05 13.96 -29 09 56.8 U T08
2017-11-14 14:47:27 C 09 05 09.21 -29 08 19.6 U T08
2017-11-16 02:11:24 S 08 49 34.219 -23 09 57.46 L C51
2017-11-16 03:45:39 S 08 48 51.557 -22 52 35.36 L C51
2017-11-17 13:09:03 C 08 33 24.54 -16 13 58.3 U T05
2017-11-17 13:20:49 C 08 33 18.67 -16 11 28.0 U T05
2017-11-17 13:22:48 C 08 33 17.69 -16 11 02.7 U T05
2017-11-17 13:32:27 C 08 33 12.85 -16 08 58.8 U T05
2017-11-17 13:34:30 C 08 33 11.83 -16 08 32.6 U T05
2017-11-17 13:44:11 C 08 33 06.97 -16 06 28.3 U T05
2017-11-17 13:46:21 C 08 33 05.89 -16 06 00.5 U T05
2017-11-19 10:44:18 C 08 10 51.00 -05 41 39.8 U G96
2017-11-19 10:53:11 C 08 10 46.29 -05 39 29.0 U G96
2017-11-19 11:02:04 C 08 10 41.55 -05 37 18.1 U G96
2017-11-19 11:10:58 C 08 10 36.81 -05 35 06.4 U G96
2017-11-19 12:30:08 C 08 09 58.81 -05 15 16.3 U T08
2017-11-19 12:41:41 C 08 09 52.64 -05 12 25.0 U T08
2017-11-19 12:53:19 C 08 09 46.44 -05 09 33.1 U T08
2017-11-19 13:04:57 C 08 09 40.24 -05 06 41.4 U T08
2017-11-21 12:30:00 C 07 44 46.06 +06 55 30.6 U T05
2017-11-21 12:53:53 C 07 44 32.64 +07 01 37.0 U T05
2017-11-21 13:05:40 C 07 44 26.01 +07 04 37.7 U T05
2017-11-22 14:09:07 C 07 30 47.66 +13 23 09.9 U T05
2017-11-22 14:10:45 C 07 30 46.65 +13 23 34.5 U T05
2017-11-22 14:24:59 C 07 30 38.56 +13 27 04.7 U T05
2017-11-22 14:25:43 C 07 30 38.14 +13 27 15.4 U T05
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)