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
2021-11-08 20:33:56 S 09 13 09.502 +24 11 38.04 V C57
2021-11-08 20:33:56 s 1 +175063.08 8 +157450.45 8550.0 C57
2021-11-08 20:43:56 S 09 13 09.578 +24 12 02.99 V C57
2021-11-08 20:43:56 s 1 +175043.22 3 +158199.75 3280.0 C57
2021-11-08 20:53:56 S 09 13 10.138 +24 12 31.14 V C57
2021-11-08 20:53:56 s 1 +175021.62 0 +158947.49 1910.0 C57
2021-11-08 21:03:56 S 09 13 10.726 +24 12 54.07 V C57
2021-11-08 21:03:56 s 1 +174998.29 0 +159693.67 4470.0 C57
2021-11-08 21:13:56 S 09 13 11.081 +24 13 18.91 V C57
2021-11-08 21:13:56 s 1 +174973.24 2 +160438.30 1010.0 C57
2021-11-08 21:23:56 S 09 13 11.057 +24 13 48.79 V C57
2021-11-08 21:23:56 s 1 +174946.48 6 +161181.36 1560.0 C57
2021-11-08 21:33:56 S 09 13 11.446 +24 14 12.16 V C57
2021-11-08 21:33:56 s 1 +174918.03 3 +161922.87 6150.0 C57
2021-11-08 21:43:56 S 09 13 12.223 +24 14 36.71 V C57
2021-11-08 21:43:56 s 1 +174887.89 3 +162662.83 4810.0 C57
2021-11-08 21:53:56 S 09 13 12.269 +24 15 08.50 V C57
2021-11-08 21:53:56 s 1 +174856.07 4 +163401.24 7600.0 C57
2021-11-08 22:03:56 S 09 13 12.718 +24 15 35.42 V C57
2021-11-08 22:03:56 s 1 +174822.58 7 +164138.09 4520.0 C57
2021-11-08 22:13:56 S 09 13 12.883 +24 16 02.57 V C57
2021-11-08 22:13:56 s 1 +174787.44 1 +164873.40 5640.0 C57
2021-11-08 22:33:56 S 09 13 13.634 +24 16 50.74 V C57
2021-11-08 22:33:56 s 1 +174712.21 1 +166339.37 540.0 C57
2021-11-08 22:43:56 S 09 13 14.496 +24 17 14.60 V C57
2021-11-08 22:43:56 s 1 +174672.14 6 +167070.04 4390.0 C57
2021-11-08 22:53:56 S 09 13 14.993 +24 17 44.27 V C57
2021-11-08 22:53:56 s 1 +174630.45 9 +167799.17 2570.0 C57
2021-11-08 23:03:56 S 09 13 15.098 +24 18 09.94 V C57
2021-11-08 23:03:56 s 1 +174587.16 1 +168526.76 5090.0 C57
2021-11-08 23:33:56 S 09 13 16.248 +24 19 25.57 V C57
2021-11-08 23:33:56 s 1 +174447.68 6 +170700.31 9070.0 C57
2021-11-08 23:43:56 S 09 13 16.486 +24 19 53.65 V C57
2021-11-08 23:43:56 s 1 +174398.03 1 +171421.76 9300.0 C57
2021-11-08 23:53:56 S 09 13 16.918 +24 20 21.73 V C57
2021-11-08 23:53:56 s 1 +174346.80 9 +172141.67 4050.0 C57
2021-11-09 00:03:56 S 09 13 17.347 +24 20 48.48 V C57
2021-11-09 00:03:56 s 1 +174294.02 9 +172860.06 3330.0 C57
2021-11-09 00:13:56 S 09 13 18.089 +24 21 03.35 V C57
2021-11-09 00:13:56 s 1 +174239.70 0 +173576.92 7190.0 C57
2021-11-09 00:23:56 S 09 13 18.276 +24 21 37.37 V C57
2021-11-09 00:23:56 s 1 +174183.83 0 +174292.25 5650.0 C57
2021-11-09 00:43:56 S 09 13 19.178 +24 22 31.84 V C57
2021-11-09 00:43:56 s 1 +174067.50 2 +175718.35 6490.0 C57
2021-11-09 02:03:56 S 09 13 21.830 +24 25 58.37 V C57
2021-11-09 02:03:56 s 1 +173542.25 4 +181362.05 9910.0 C57
2021-11-09 02:13:56 S 09 13 22.238 +24 26 23.64 V C57
2021-11-09 02:13:56 s 1 +173469.99 0 +182060.71 950.0 C57
2021-11-09 02:33:56 S 09 13 22.874 +24 27 23.83 V C57
2021-11-09 02:33:56 s 1 +173321.14 5 +183453.54 7910.0 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)