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
2021-11-12 09:30:10 C 09 14 23.59 +27 47 47.1 V 703
2021-11-12 09:33:56 S 09 15 30.574 +27 53 06.18 V C57
2021-11-12 09:33:56 s 1 +52165.009 0 +370621.08 7410.0 C57
2021-11-12 09:38:07 C 09 14 23.78 +27 48 07.7 V 703
2021-11-12 09:46:04 C 09 14 23.87 +27 48 28.4 V 703
2021-11-12 09:54:01 C 09 14 24.01 +27 48 49.1 V 703
2021-11-12 10:53:56 S 09 15 32.076 +27 56 33.58 V C57
2021-11-12 10:53:56 s 1 +49399.372 0 +371653.98 990.0 C57
2021-11-12 11:03:56 S 09 15 32.014 +27 56 58.45 V C57
2021-11-12 11:03:56 s 1 +49053.049 0 +371778.56 5930.0 C57
2021-11-12 11:13:56 S 09 15 32.642 +27 57 26.57 V C57
2021-11-12 11:13:56 s 1 +48706.592 0 +371902.14 500.0 C57
2021-11-12 11:23:56 S 09 15 32.568 +27 57 51.55 V C57
2021-11-12 11:23:56 s 1 +48360.002 0 +372024.71 4690.0 C57
2021-11-12 11:33:56 S 09 15 32.707 +27 58 19.99 V C57
2021-11-12 11:33:56 s 1 +48013.280 0 +372146.27 8510.0 C57
2021-11-12 11:43:56 S 09 15 32.962 +27 58 43.36 V C57
2021-11-12 11:43:56 s 1 +47666.427 0 +372266.83 1970.0 C57
2021-11-12 11:53:55 S 09 15 33.055 +27 59 10.18 V C57
2021-11-12 11:53:55 s 1 +47319.444 0 +372386.38 5060.0 C57
2021-11-12 12:03:56 S 09 15 33.127 +27 59 35.30 V C57
2021-11-12 12:03:56 s 1 +46972.332 0 +372504.93 7800.0 C57
2021-11-12 12:13:56 S 09 15 33.516 +28 00 02.45 V C57
2021-11-12 12:13:56 s 1 +46625.092 0 +372622.48 180.0 C57
2021-11-12 12:23:56 S 09 15 33.744 +28 00 28.33 V C57
2021-11-12 12:23:56 s 1 +46277.726 0 +372739.02 2210.0 C57
2021-11-12 12:33:56 S 09 15 33.905 +28 00 55.76 V C57
2021-11-12 12:33:56 s 1 +45930.233 0 +372854.55 3890.0 C57
2021-11-12 12:43:56 S 09 15 33.982 +28 01 22.44 V C57
2021-11-12 12:43:56 s 1 +45582.616 0 +372969.08 5230.0 C57
2021-11-12 12:53:56 S 09 15 34.253 +28 01 46.13 V C57
2021-11-12 12:53:56 s 1 +45234.874 0 +373082.61 6230.0 C57
2021-11-12 13:03:56 S 09 15 34.337 +28 02 12.37 V C57
2021-11-12 13:03:56 s 1 +44887.010 0 +373195.13 6890.0 C57
2021-11-12 13:13:56 S 09 15 34.598 +28 02 39.23 V C57
2021-11-12 13:13:56 s 1 +44539.024 0 +373306.65 7230.0 C57
2021-11-12 13:23:55 S 09 15 34.942 +28 03 03.78 V C57
2021-11-12 13:23:55 s 1 +44190.917 0 +373417.17 7230.0 C57
2021-11-12 13:33:56 S 09 15 34.860 +28 03 30.38 V C57
2021-11-12 13:33:56 s 1 +43842.691 0 +373526.69 6910.0 C57
2021-11-12 13:43:56 S 09 15 35.086 +28 03 56.30 V C57
2021-11-12 13:43:56 s 1 +43494.345 0 +373635.20 6270.0 C57
2021-11-12 13:53:56 S 09 15 35.162 +28 04 21.11 V C57
2021-11-12 13:53:56 s 1 +43145.881 0 +373742.71 5310.0 C57
2021-11-12 14:03:56 S 09 15 35.383 +28 04 46.92 V C57
2021-11-12 14:03:56 s 1 +42797.301 0 +373849.21 4040.0 C57
2021-11-12 14:13:56 S 09 15 35.758 +28 05 14.82 V C57
2021-11-12 14:13:56 s 1 +42448.605 0 +373954.72 2450.0 C57
2021-11-12 14:23:56 S 09 15 35.705 +28 05 38.83 V C57
2021-11-12 14:23:56 s 1 +42099.794 0 +374059.22 570.0 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)