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
2019-12-21 19:14:24 s 1 -187303.26 0 +213952.80 9790.0 C57
2019-12-21 19:44:24 S 06 16 44.506 +64 58 06.06 V C57
2019-12-21 19:44:24 s 1 -187436.08 9 +212067.75 4700.0 C57
2019-12-21 20:14:24 S 06 16 36.293 +64 58 19.02 V C57
2019-12-21 20:14:24 s 1 -187558.38 0 +210170.91 9850.0 C57
2019-12-21 20:44:24 S 06 16 28.363 +64 58 31.55 V C57
2019-12-21 20:44:24 s 1 -187669.98 0 +208262.22 4920.0 C57
2019-12-21 21:14:24 S 06 16 20.566 +64 58 44.62 V C57
2019-12-21 21:14:24 s 1 -187770.73 2 +206341.61 9580.0 C57
2019-12-21 21:44:24 S 06 16 11.923 +64 58 58.04 V C57
2019-12-21 21:44:24 s 1 -187860.47 9 +204409.03 3480.0 C57
2019-12-21 22:14:24 S 06 16 04.022 +64 59 11.40 V C57
2019-12-21 22:14:24 s 1 -187939.05 6 +202464.42 6290.0 C57
2019-12-21 22:44:24 S 06 15 55.865 +64 59 25.26 V C57
2019-12-21 22:44:24 s 1 -188006.29 7 +200507.72 7640.0 C57
2019-12-21 23:14:24 S 06 15 47.570 +64 59 37.97 V C57
2019-12-21 23:14:24 s 1 -188062.03 2 +198538.86 7170.0 C57
2019-12-21 23:44:24 S 06 15 39.257 +64 59 50.17 V C57
2019-12-21 23:44:24 s 1 -188106.08 6 +196557.79 4520.0 C57
2019-12-22 00:44:24 S 06 15 23.227 +65 00 13.86 V C57
2019-12-22 00:44:24 s 1 -188158.43 5 +192558.76 1110.0 C57
2019-12-22 01:14:24 S 06 15 15.170 +65 00 26.71 V C57
2019-12-22 01:14:24 s 1 -188166.36 0 +190540.67 9570.0 C57
2019-12-22 04:14:24 S 06 14 26.690 +65 01 39.86 V C57
2019-12-22 04:14:24 s 1 -187946.05 7 +178168.05 6060.0 C57
2019-12-22 04:44:24 S 06 14 18.595 +65 01 51.13 V C57
2019-12-22 04:44:24 s 1 -187862.75 1 +176061.32 8920.0 C57
2019-12-22 05:14:24 S 06 14 10.954 +65 02 02.40 V C57
2019-12-22 05:14:24 s 1 -187765.54 8 +173941.66 4840.0 C57
2019-12-22 05:44:24 S 06 14 03.379 +65 02 15.90 V C57
2019-12-22 05:44:24 s 1 -187654.21 3 +171809.01 3310.0 C57
2019-12-22 06:14:24 S 06 13 54.082 +65 02 22.20 V C57
2019-12-22 06:14:24 s 1 -187528.50 7 +169663.29 3810.0 C57
2019-12-22 06:44:24 S 06 13 46.990 +65 02 38.04 V C57
2019-12-22 06:44:24 s 1 -187388.18 5 +167504.45 5820.0 C57
2019-12-22 07:14:24 S 06 13 39.161 +65 02 46.21 V C57
2019-12-22 07:14:24 s 1 -187232.99 6 +165332.40 8780.0 C57
2019-12-22 07:44:24 S 06 13 30.869 +65 02 59.86 V C57
2019-12-22 07:44:24 s 1 -187062.68 0 +163147.09 2150.0 C57
2019-12-22 08:14:24 S 06 13 22.896 +65 03 09.43 V C57
2019-12-22 08:14:24 s 1 -186876.97 2 +160948.44 5340.0 C57
2019-12-22 08:44:24 S 06 13 14.947 +65 03 21.24 V C57
2019-12-22 08:44:24 s 1 -186675.59 9 +158736.38 7760.0 C57
2019-12-22 09:14:24 S 06 13 07.116 +65 03 27.65 V C57
2019-12-22 09:14:24 s 1 -186458.28 1 +156510.85 8800.0 C57
2019-12-22 09:44:24 S 06 12 59.801 +65 03 39.24 V C57
2019-12-22 09:44:24 s 1 -186224.73 0 +154271.77 7840.0 C57
2019-12-22 10:14:24 S 06 12 51.420 +65 03 54.14 V C57
2019-12-22 10:14:24 s 1 -185974.65 0 +152019.08 4240.0 C57
2019-12-22 10:44:24 S 06 12 43.346 +65 04 04.01 V C57
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)