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
2021-10-30 18:33:57 S 09 06 11.734 +15 01 26.26 V C57
2021-10-30 18:33:57 s 1 +43974.101 0 +368762.26 8300.0 C57
2021-10-30 18:43:57 S 09 06 12.139 +15 01 48.90 V C57
2021-10-30 18:43:57 s 1 +43615.677 0 +368865.09 1720.0 C57
2021-10-30 18:53:57 S 09 06 12.761 +15 02 15.83 V C57
2021-10-30 18:53:57 s 1 +43257.141 0 +368966.88 4840.0 C57
2021-10-30 19:03:57 S 09 06 12.852 +15 02 43.98 V C57
2021-10-30 19:03:57 s 1 +42898.494 0 +369067.62 7660.0 C57
2021-10-30 19:13:57 S 09 06 13.272 +15 03 03.64 V C57
2021-10-30 19:13:57 s 1 +42539.739 0 +369167.33 190.0 C57
2021-10-30 19:33:57 S 09 06 13.903 +15 03 56.70 V C57
2021-10-30 19:33:57 s 1 +41821.903 0 +369363.63 4380.0 C57
2021-10-30 19:43:57 S 09 06 14.434 +15 04 19.52 V C57
2021-10-30 19:43:57 s 1 +41462.825 0 +369460.21 6060.0 C57
2021-10-30 20:43:57 S 09 06 15.962 +15 06 50.44 V C57
2021-10-30 20:43:57 s 1 +39306.186 0 +370017.92 400.0 C57
2021-10-30 21:03:57 S 09 06 17.347 +15 07 43.36 V C57
2021-10-30 21:03:57 s 1 +38586.504 0 +370195.51 9770.0 C57
2021-10-30 21:13:57 S 09 06 17.090 +15 08 10.50 V C57
2021-10-30 21:13:57 s 1 +38226.518 0 +370282.75 9080.0 C57
2021-10-30 21:53:57 S 09 06 17.626 +15 09 56.23 V C57
2021-10-30 21:53:57 s 1 +36785.626 0 +370621.33 3910.0 C57
2021-10-31 01:23:57 S 09 06 25.706 +15 18 26.17 V C57
2021-10-31 01:23:57 s 1 +29198.509 0 +372126.71 1960.0 C57
2021-10-31 01:33:57 S 09 06 25.358 +15 18 59.72 V C57
2021-10-31 01:33:57 s 1 +28836.377 0 +372187.00 6110.0 C57
2021-10-31 02:13:57 S 09 06 26.873 +15 20 31.02 V C57
2021-10-31 02:13:57 s 1 +27387.175 0 +372417.81 1240.0 C57
2021-10-31 03:13:57 S 09 06 28.716 +15 23 03.12 V C57
2021-10-31 03:13:57 s 1 +25211.463 0 +372732.99 9950.0 C57
2021-10-31 05:23:57 S 09 06 33.463 +15 28 30.76 V C57
2021-10-31 05:23:57 s 1 +20490.533 0 +373288.16 7500.0 C57
2021-10-31 05:53:57 S 09 06 33.965 +15 29 44.27 V C57
2021-10-31 05:53:57 s 1 +19399.930 0 +373391.46 1960.0 C57
2021-10-31 06:03:57 S 09 06 34.495 +15 30 14.22 V C57
2021-10-31 06:03:57 s 1 +19036.311 0 +373423.83 3330.0 C57
2021-10-31 06:13:57 S 09 06 35.112 +15 30 34.67 V C57
2021-10-31 06:13:57 s 1 +18672.651 0 +373455.16 4650.0 C57
2021-10-31 06:33:57 S 09 06 35.513 +15 31 22.76 V C57
2021-10-31 06:33:57 s 1 +17945.212 0 +373514.73 7140.0 C57
2021-10-31 06:43:57 S 09 06 35.750 +15 31 48.86 V C57
2021-10-31 06:43:57 s 1 +17581.436 0 +373542.96 8320.0 C57
2021-10-31 06:53:57 S 09 06 36.413 +15 32 09.38 V C57
2021-10-31 06:53:57 s 1 +17217.623 0 +373570.16 9460.0 C57
2021-10-31 07:03:57 S 09 06 36.451 +15 32 37.54 V C57
2021-10-31 07:03:57 s 1 +16853.775 0 +373596.32 570.0 C57
2021-10-31 07:13:57 S 09 06 37.157 +15 33 06.30 V C57
2021-10-31 07:13:57 s 1 +16489.891 0 +373621.46 1650.0 C57
2021-10-31 07:23:57 S 09 06 37.142 +15 33 33.77 V C57
2021-10-31 07:23:57 s 1 +16125.974 0 +373645.56 2690.0 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)