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
2021-11-10 15:23:56 S 09 14 33.358 +26 03 23.90 V C57
2021-11-10 15:23:56 s 1 +131689.96 5 +303503.78 8640.0 C57
2021-11-10 15:33:56 S 09 14 33.182 +26 03 47.81 V C57
2021-11-10 15:33:56 s 1 +131421.30 2 +303907.16 8050.0 C57
2021-11-10 15:43:56 S 09 14 33.521 +26 04 13.51 V C57
2021-11-10 15:43:56 s 1 +131152.13 3 +304309.38 5740.0 C57
2021-11-10 15:53:56 S 09 14 34.044 +26 04 40.22 V C57
2021-11-10 15:53:56 s 1 +130882.45 8 +304710.44 1700.0 C57
2021-11-10 16:03:56 S 09 14 34.164 +26 05 05.75 V C57
2021-11-10 16:03:56 s 1 +130612.28 0 +305110.33 5950.0 C57
2021-11-10 16:13:56 S 09 14 34.416 +26 05 29.76 V C57
2021-11-10 16:13:56 s 1 +130341.60 2 +305509.06 8500.0 C57
2021-11-10 16:23:56 S 09 14 34.692 +26 05 58.81 V C57
2021-11-10 16:23:56 s 1 +130070.42 5 +305906.63 9340.0 C57
2021-11-10 16:33:56 S 09 14 34.853 +26 06 27.11 V C57
2021-11-10 16:33:56 s 1 +129798.75 2 +306303.05 8490.0 C57
2021-11-10 16:53:56 S 09 14 35.239 +26 07 13.08 V C57
2021-11-10 16:53:56 s 1 +129253.92 5 +307092.40 1740.0 C57
2021-11-10 17:03:56 S 09 14 35.806 +26 07 42.35 V C57
2021-11-10 17:03:56 s 1 +128980.77 5 +307485.34 5860.0 C57
2021-11-10 17:13:56 S 09 14 36.382 +26 08 07.22 V C57
2021-11-10 17:13:56 s 1 +128707.13 7 +307877.13 8320.0 C57
2021-11-10 17:33:56 S 09 14 36.478 +26 08 56.00 V C57
2021-11-10 17:33:56 s 1 +128158.40 5 +308657.24 8280.0 C57
2021-11-10 17:43:56 S 09 14 37.039 +26 09 25.92 V C57
2021-11-10 17:43:56 s 1 +127883.31 5 +309045.57 5790.0 C57
2021-11-10 17:53:56 S 09 14 37.147 +26 09 50.18 V C57
2021-11-10 17:53:56 s 1 +127607.74 5 +309432.74 1680.0 C57
2021-11-10 18:03:56 S 09 14 37.229 +26 10 16.00 V C57
2021-11-10 18:03:56 s 1 +127331.69 8 +309818.77 5930.0 C57
2021-11-10 18:13:56 S 09 14 37.754 +26 10 40.66 V C57
2021-11-10 18:13:56 s 1 +127055.17 5 +310203.65 8570.0 C57
2021-11-10 18:23:56 S 09 14 37.934 +26 11 11.29 V C57
2021-11-10 18:23:56 s 1 +126778.17 8 +310587.38 9600.0 C57
2021-11-10 18:33:56 S 09 14 38.086 +26 11 36.38 V C57
2021-11-10 18:33:56 s 1 +126500.71 0 +310969.96 9030.0 C57
2021-11-10 18:43:56 S 09 14 38.484 +26 11 58.52 V C57
2021-11-10 18:43:56 s 1 +126222.77 1 +311351.40 6860.0 C57
2021-11-10 19:13:56 S 09 14 38.940 +26 13 13.12 V C57
2021-11-10 19:13:56 s 1 +125386.15 9 +312488.84 830.0 C57
2021-11-10 19:23:56 S 09 14 39.578 +26 13 39.97 V C57
2021-11-10 19:23:56 s 1 +125106.36 2 +312865.70 2350.0 C57
2021-11-10 19:33:56 S 09 14 40.080 +26 14 12.19 V C57
2021-11-10 19:33:56 s 1 +124826.10 5 +313241.42 2300.0 C57
2021-11-10 19:43:56 S 09 14 40.020 +26 14 37.90 V C57
2021-11-10 19:43:56 s 1 +124545.39 0 +313616.00 700.0 C57
2021-11-10 19:53:56 S 09 14 40.397 +26 15 06.62 V C57
2021-11-10 19:53:56 s 1 +124264.22 0 +313989.44 7550.0 C57
2021-11-10 20:03:56 S 09 14 40.642 +26 15 28.66 V C57
2021-11-10 20:03:56 s 1 +123982.59 6 +314361.74 2870.0 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)