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
2021-11-04 19:33:56 S 09 09 25.186 +20 03 25.45 V C57
2021-11-04 19:33:56 s 1 -165794.05 4 +150677.99 840.0 C57
2021-11-04 19:43:56 S 09 09 25.690 +20 03 49.61 V C57
2021-11-04 19:43:56 s 1 -165820.35 5 +149893.24 9900.0 C57
2021-11-04 19:53:56 S 09 09 25.877 +20 04 13.62 V C57
2021-11-04 19:53:56 s 1 -165844.73 4 +149106.76 1890.0 C57
2021-11-04 20:03:56 S 09 09 26.090 +20 04 40.30 V C57
2021-11-04 20:03:56 s 1 -165867.18 0 +148318.54 6780.0 C57
2021-11-04 20:13:56 S 09 09 26.230 +20 05 04.45 V C57
2021-11-04 20:13:56 s 1 -165887.67 9 +147528.59 4510.0 C57
2021-11-04 20:23:56 S 09 09 26.285 +20 05 29.15 V C57
2021-11-04 20:23:56 s 1 -165906.21 8 +146736.90 5050.0 C57
2021-11-04 20:33:56 S 09 09 26.664 +20 05 53.27 V C57
2021-11-04 20:33:56 s 1 -165922.78 5 +145943.47 8330.0 C57
2021-11-04 20:43:56 S 09 09 26.911 +20 06 19.01 V C57
2021-11-04 20:43:56 s 1 -165937.36 7 +145148.30 4320.0 C57
2021-11-04 20:53:56 S 09 09 27.163 +20 06 42.80 V C57
2021-11-04 20:53:56 s 1 -165949.95 1 +144351.38 2980.0 C57
2021-11-04 21:03:56 S 09 09 27.329 +20 07 12.14 V C57
2021-11-04 21:03:56 s 1 -165960.52 4 +143552.73 4240.0 C57
2021-11-04 21:13:56 S 09 09 27.298 +20 07 29.14 V C57
2021-11-04 21:13:56 s 1 -165969.07 2 +142752.32 8070.0 C57
2021-11-04 21:23:56 S 09 09 27.175 +20 07 57.50 V C57
2021-11-04 21:23:56 s 1 -165975.58 3 +141950.17 4420.0 C57
2021-11-04 21:33:56 S 09 09 27.634 +20 08 34.19 V C57
2021-11-04 21:33:56 s 1 -165980.04 2 +141146.27 3240.0 C57
2021-11-04 21:53:56 S 09 09 27.542 +20 09 03.96 V C57
2021-11-04 21:53:56 s 1 -165982.75 1 +139533.20 8070.0 C57
2021-11-04 22:03:56 S 09 09 28.356 +20 09 41.18 V C57
2021-11-04 22:03:56 s 1 -165980.97 4 +138724.04 3990.0 C57
2021-11-04 22:13:56 S 09 09 28.675 +20 10 03.54 V C57
2021-11-04 22:13:56 s 1 -165977.09 0 +137913.12 2180.0 C57
2021-11-04 22:23:56 S 09 09 28.920 +20 10 25.50 V C57
2021-11-04 22:23:56 s 1 -165971.08 5 +137100.45 2590.0 C57
2021-11-04 22:33:56 S 09 09 29.198 +20 10 55.13 V C57
2021-11-04 22:33:56 s 1 -165962.94 5 +136286.01 5160.0 C57
2021-11-04 22:43:56 S 09 09 29.542 +20 11 17.59 V C57
2021-11-04 22:43:56 s 1 -165952.65 5 +135469.81 9840.0 C57
2021-11-04 22:53:56 S 09 09 29.729 +20 11 43.15 V C57
2021-11-04 22:53:56 s 1 -165940.20 2 +134651.86 6590.0 C57
2021-11-04 23:03:56 S 09 09 29.767 +20 12 09.25 V C57
2021-11-04 23:03:56 s 1 -165925.57 0 +133832.13 5350.0 C57
2021-11-04 23:13:56 S 09 09 30.125 +20 12 31.64 V C57
2021-11-04 23:13:56 s 1 -165908.74 4 +133010.64 6060.0 C57
2021-11-04 23:23:56 S 09 09 30.264 +20 12 57.10 V C57
2021-11-04 23:23:56 s 1 -165889.71 0 +132187.39 8670.0 C57
2021-11-04 23:33:56 S 09 09 30.372 +20 13 21.00 V C57
2021-11-04 23:33:56 s 1 -165868.45 2 +131362.36 3130.0 C57
2021-11-04 23:43:56 S 09 09 30.576 +20 13 46.24 V C57
2021-11-04 23:43:56 s 1 -165844.95 6 +130535.57 9380.0 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)