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
2021-11-02 21:53:56 s 1 -113118.11 9 +307779.96 2240.0 C57
2021-11-02 22:03:56 S 09 08 23.995 +18 09 56.63 V C57
2021-11-02 22:03:56 s 1 -113413.56 3 +307392.88 2130.0 C57
2021-11-02 22:13:56 S 09 08 23.849 +18 10 21.65 V C57
2021-11-02 22:13:56 s 1 -113708.54 2 +307004.57 260.0 C57
2021-11-02 22:23:56 S 09 08 24.187 +18 10 43.68 V C57
2021-11-02 22:23:56 s 1 -114003.05 6 +306615.04 6620.0 C57
2021-11-02 22:33:56 S 09 08 24.862 +18 11 10.18 V C57
2021-11-02 22:33:56 s 1 -114297.10 1 +306224.28 1200.0 C57
2021-11-02 22:43:56 S 09 08 25.212 +18 11 37.79 V C57
2021-11-02 22:43:56 s 1 -114590.67 5 +305832.29 3990.0 C57
2021-11-02 22:53:57 S 09 08 25.332 +18 12 00.94 V C57
2021-11-02 22:53:57 s 1 -114883.77 7 +305439.07 4990.0 C57
2021-11-02 23:03:56 S 09 08 25.711 +18 12 29.48 V C57
2021-11-02 23:03:56 s 1 -115176.40 4 +305044.62 4180.0 C57
2021-11-02 23:13:56 S 09 08 25.934 +18 12 52.31 V C57
2021-11-02 23:13:56 s 1 -115468.55 4 +304648.93 1560.0 C57
2021-11-02 23:23:56 S 09 08 26.210 +18 13 16.18 V C57
2021-11-02 23:23:56 s 1 -115760.22 4 +304252.02 7130.0 C57
2021-11-02 23:33:56 S 09 08 26.218 +18 13 41.45 V C57
2021-11-02 23:33:56 s 1 -116051.41 2 +303853.86 860.0 C57
2021-11-02 23:43:56 S 09 08 26.695 +18 14 04.20 V C57
2021-11-02 23:43:56 s 1 -116342.11 7 +303454.47 2760.0 C57
2021-11-02 23:53:56 S 09 08 27.082 +18 14 31.02 V C57
2021-11-02 23:53:56 s 1 -116632.33 5 +303053.85 2820.0 C57
2021-11-03 00:03:56 S 09 08 27.300 +18 14 56.08 V C57
2021-11-03 00:03:56 s 1 -116922.06 5 +302651.98 1020.0 C57
2021-11-03 00:13:56 S 09 08 27.329 +18 15 21.20 V C57
2021-11-03 00:13:56 s 1 -117211.30 4 +302248.87 7360.0 C57
2021-11-03 00:23:57 S 09 08 27.547 +18 15 47.59 V C57
2021-11-03 00:23:57 s 1 -117500.05 0 +301844.53 1840.0 C57
2021-11-03 00:33:56 S 09 08 27.941 +18 16 09.44 V C57
2021-11-03 00:33:56 s 1 -117788.30 0 +301438.94 4430.0 C57
2021-11-03 00:43:56 S 09 08 28.202 +18 16 33.31 V C57
2021-11-03 00:43:56 s 1 -118076.05 3 +301032.10 5140.0 C57
2021-11-03 00:53:56 S 09 08 28.346 +18 17 02.04 V C57
2021-11-03 00:53:56 s 1 -118363.30 6 +300624.02 3960.0 C57
2021-11-03 01:03:56 S 09 08 28.757 +18 17 28.32 V C57
2021-11-03 01:03:56 s 1 -118650.05 7 +300214.70 870.0 C57
2021-11-03 01:13:56 S 09 08 28.855 +18 17 52.76 V C57
2021-11-03 01:13:56 s 1 -118936.30 3 +299804.13 5870.0 C57
2021-11-03 01:23:56 S 09 08 29.035 +18 18 17.75 V C57
2021-11-03 01:23:56 s 1 -119222.04 2 +299392.31 8950.0 C57
2021-11-03 01:43:56 S 09 08 29.486 +18 19 08.08 V C57
2021-11-03 01:43:56 s 1 -119791.98 9 +298564.91 9320.0 C57
2021-11-03 01:53:56 S 09 08 29.755 +18 19 34.00 V C57
2021-11-03 01:53:56 s 1 -120076.19 3 +298149.34 6590.0 C57
2021-11-03 02:03:56 S 09 08 30.170 +18 19 52.25 V C57
2021-11-03 02:03:56 s 1 -120359.88 0 +297732.51 1900.0 C57
2021-11-03 02:13:56 S 09 08 30.254 +18 20 21.23 V 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)