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
2021-11-03 19:53:56 S 09 08 55.142 +19 04 24.89 V C57
2021-11-03 19:53:56 s 1 -147149.74 1 +245587.24 5950.0 C57
2021-11-03 20:23:56 S 09 08 55.750 +19 05 42.61 V C57
2021-11-03 20:23:56 s 1 -147779.49 8 +243900.10 1240.0 C57
2021-11-03 20:33:56 S 09 08 56.141 +19 06 05.54 V C57
2021-11-03 20:33:56 s 1 -147987.67 0 +243334.86 3150.0 C57
2021-11-03 20:43:56 S 09 08 56.105 +19 06 31.39 V C57
2021-11-03 20:43:56 s 1 -148194.96 1 +242768.19 1780.0 C57
2021-11-03 21:03:56 S 09 08 56.227 +19 07 17.58 V C57
2021-11-03 21:03:56 s 1 -148606.88 2 +241630.54 9110.0 C57
2021-11-03 21:13:56 S 09 08 56.976 +19 07 37.92 V C57
2021-11-03 21:13:56 s 1 -148811.50 3 +241059.56 7780.0 C57
2021-11-03 21:23:56 S 09 08 57.782 +19 08 14.03 V C57
2021-11-03 21:23:56 s 1 -149015.22 5 +240487.14 3100.0 C57
2021-11-03 21:43:56 S 09 08 57.670 +19 09 00.65 V C57
2021-11-03 21:43:56 s 1 -149419.95 5 +239337.98 3620.0 C57
2021-11-03 21:53:56 S 09 08 57.797 +19 09 28.91 V C57
2021-11-03 21:53:56 s 1 -149620.95 4 +238761.23 8780.0 C57
2021-11-03 22:03:56 S 09 08 58.030 +19 09 49.21 V C57
2021-11-03 22:03:56 s 1 -149821.03 5 +238183.03 530.0 C57
2021-11-03 22:33:56 S 09 08 58.318 +19 11 10.90 V C57
2021-11-03 22:33:56 s 1 -150415.73 1 +236439.73 5110.0 C57
2021-11-03 22:43:56 S 09 08 58.927 +19 11 34.80 V C57
2021-11-03 22:43:56 s 1 -150612.09 8 +235855.72 3020.0 C57
2021-11-03 22:53:56 S 09 08 59.402 +19 11 50.14 V C57
2021-11-03 22:53:56 s 1 -150807.52 4 +235270.25 7420.0 C57
2021-11-03 23:13:56 S 09 08 59.297 +19 12 44.42 V C57
2021-11-03 23:13:56 s 1 -151195.53 5 +234094.94 5660.0 C57
2021-11-03 23:33:56 S 09 09 00.276 +19 13 40.26 V C57
2021-11-03 23:33:56 s 1 -151579.72 6 +232913.77 9670.0 C57
2021-11-04 00:13:56 S 09 09 00.912 +19 15 14.40 V C57
2021-11-04 00:13:56 s 1 -152336.49 1 +230533.80 4440.0 C57
2021-11-04 00:33:56 S 09 09 01.423 +19 16 03.90 V C57
2021-11-04 00:33:56 s 1 -152708.98 5 +229334.97 4910.0 C57
2021-11-04 00:43:56 S 09 09 01.927 +19 16 30.43 V C57
2021-11-04 00:43:56 s 1 -152893.74 2 +228733.33 9610.0 C57
2021-11-04 01:03:56 S 09 09 01.858 +19 17 23.35 V C57
2021-11-04 01:03:56 s 1 -153260.25 0 +227525.61 7810.0 C57
2021-11-04 01:13:56 S 09 09 02.314 +19 17 45.17 V C57
2021-11-04 01:13:56 s 1 -153441.99 1 +226919.53 1290.0 C57
2021-11-04 01:33:56 S 09 09 02.587 +19 18 33.05 V C57
2021-11-04 01:33:56 s 1 -153802.42 1 +225702.89 6890.0 C57
2021-11-04 01:43:56 S 09 09 02.880 +19 18 57.82 V C57
2021-11-04 01:43:56 s 1 -153981.09 9 +225092.33 8980.0 C57
2021-11-04 01:53:56 S 09 09 03.079 +19 19 24.20 V C57
2021-11-04 01:53:56 s 1 -154158.74 5 +224480.27 7230.0 C57
2021-11-04 02:03:56 S 09 09 03.228 +19 19 48.25 V C57
2021-11-04 02:03:56 s 1 -154335.35 4 +223866.72 1620.0 C57
2021-11-04 02:13:56 S 09 09 03.528 +19 20 14.21 V C57
2021-11-04 02:13:56 s 1 -154510.92 0 +223251.68 2140.0 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)