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
2019-12-23 01:14:24 s 1 -168877.58 0 +77800.855 6880.0 C57
2019-12-23 06:03:58 C 06 09 00.46 +65 06 34.5 V 703
2019-12-23 06:11:40 C 06 08 58.39 +65 06 38.5 V 703
2019-12-23 06:19:22 C 06 08 56.37 +65 06 42.4 V 703
2019-12-23 06:27:06 C 06 08 54.36 +65 06 46.0 V 703
2019-12-23 07:44:24 S 06 07 25.589 +65 09 51.23 V C57
2019-12-23 07:44:24 s 1 -153370.48 4 +41549.720 830.0 C57
2019-12-23 08:14:24 S 06 07 18.024 +65 09 56.66 V C57
2019-12-23 08:14:24 s 1 -151887.66 9 +38666.010 7820.0 C57
2019-12-23 08:44:24 S 06 07 11.237 +65 10 03.36 V C57
2019-12-23 08:44:24 s 1 -150357.06 0 +35770.115 800.0 C57
2019-12-23 09:14:24 S 06 07 04.133 +65 10 07.57 V C57
2019-12-23 09:14:24 s 1 -148777.15 5 +32862.472 6200.0 C57
2019-12-25 00:44:23 S 05 59 04.210 +65 24 07.42 V C57
2019-12-25 00:44:23 s 1 +121965.58 9 +32954.899 730.0 C57
2019-12-25 01:14:23 S 05 58 57.209 +65 24 24.98 V C57
2019-12-25 01:14:23 s 1 +123343.63 2 +36450.308 7320.0 C57
2019-12-25 01:44:24 S 05 58 50.395 +65 24 42.01 V C57
2019-12-25 01:44:24 s 1 +124652.25 8 +39925.276 8900.0 C57
2019-12-25 02:14:23 S 05 58 43.349 +65 25 00.88 V C57
2019-12-25 02:14:23 s 1 +125894.29 2 +43378.987 1590.0 C57
2019-12-25 02:44:23 S 05 58 37.034 +65 25 16.57 V C57
2019-12-25 02:44:23 s 1 +127072.41 3 +46810.750 1220.0 C57
2019-12-25 03:14:24 S 05 58 29.321 +65 25 31.80 V C57
2019-12-25 03:14:24 s 1 +128189.16 9 +50219.982 3370.0 C57
2019-12-25 03:44:23 S 05 58 22.766 +65 25 52.46 V C57
2019-12-25 03:44:23 s 1 +129246.97 6 +53606.196 3340.0 C57
2019-12-25 04:14:23 S 05 58 15.552 +65 26 10.68 V C57
2019-12-25 04:14:23 s 1 +130248.12 9 +56968.990 6200.0 C57
2019-12-25 04:44:24 S 05 58 08.906 +65 26 23.03 V C57
2019-12-25 04:44:24 s 1 +131194.80 6 +60308.035 6770.0 C57
2019-12-25 05:14:23 S 05 58 01.858 +65 26 39.77 V C57
2019-12-25 05:14:23 s 1 +132089.08 0 +63623.071 9680.0 C57
2019-12-25 05:44:23 S 05 57 54.170 +65 27 00.18 V C57
2019-12-25 05:44:23 s 1 +132932.91 6 +66913.894 9320.0 C57
2019-12-25 06:14:23 S 05 57 47.282 +65 27 14.58 V C57
2019-12-25 06:14:23 s 1 +133728.18 5 +70180.352 9870.0 C57
2019-12-25 06:44:23 S 05 57 40.882 +65 27 34.74 V C57
2019-12-25 06:44:23 s 1 +134476.66 6 +73422.339 5350.0 C57
2019-12-25 07:14:23 S 05 57 33.494 +65 27 50.18 V C57
2019-12-25 07:14:23 s 1 +135180.04 9 +76639.789 9580.0 C57
2019-12-25 07:44:23 S 05 57 26.746 +65 28 05.74 V C57
2019-12-25 07:44:23 s 1 +135839.94 6 +79832.671 6210.0 C57
2019-12-27 14:06:26 C 05 43 38.86 +65 36 13.9 V T05
2019-12-27 14:11:43 C 05 43 37.69 +65 36 14.1 V T05
2019-12-27 14:53:34 C 05 43 28.10 +65 36 16.3 V T05
2019-12-27 15:04:17 C 05 43 25.67 +65 36 17.0 V T05
2019-12-29 05:46:16 C 05 35 05.49 +65 38 34.9 U I41
2019-12-29 05:48:14 C 05 35 05.05 +65 38 34.9 U I41
2019-12-29 06:24:02 C 05 34 57.26 +65 38 35.4 U I41
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)