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
2022-01-04 10:03:55 s 1 +97978.948 0 +352161.12 7780.0 C57
2022-01-04 10:13:54 S 07 04 45.763 +67 40 54.62 V C57
2022-01-04 10:13:54 s 1 +97659.681 0 +352441.80 440.0 C57
2022-01-04 10:23:54 S 07 04 43.200 +67 40 55.85 V C57
2022-01-04 10:23:54 s 1 +97340.118 0 +352721.47 2100.0 C57
2022-01-04 11:03:54 S 07 04 34.090 +67 41 08.66 V C57
2022-01-04 11:03:54 s 1 +96058.952 0 +353830.08 9020.0 C57
2022-01-04 11:23:54 S 07 04 29.880 +67 41 15.65 V C57
2022-01-04 11:23:54 s 1 +95416.629 0 +354378.32 1670.0 C57
2022-01-04 11:33:55 S 07 04 27.499 +67 41 17.16 V C57
2022-01-04 11:33:55 s 1 +95095.042 0 +354650.94 6580.0 C57
2022-01-04 11:43:54 S 07 04 25.013 +67 41 19.86 V C57
2022-01-04 11:43:54 s 1 +94773.166 0 +354922.53 540.0 C57
2022-01-04 11:53:54 S 07 04 22.344 +67 41 19.61 V C57
2022-01-04 11:53:54 s 1 +94451.007 0 +355193.12 3550.0 C57
2022-01-04 12:03:55 S 07 04 20.136 +67 41 23.17 V C57
2022-01-04 12:03:55 s 1 +94128.570 0 +355462.72 5650.0 C57
2022-01-04 12:13:54 S 07 04 19.030 +67 41 29.87 V C57
2022-01-04 12:13:54 s 1 +93805.848 0 +355731.30 6800.0 C57
2022-01-04 13:03:55 S 07 04 07.476 +67 41 44.92 V C57
2022-01-04 13:03:55 s 1 +92188.077 0 +357059.17 8850.0 C57
2022-01-04 13:13:54 S 07 04 03.665 +67 41 47.65 V C57
2022-01-04 13:13:54 s 1 +91863.697 0 +357321.73 4550.0 C57
2022-01-04 13:23:54 S 07 04 01.406 +67 41 49.67 V C57
2022-01-04 13:23:54 s 1 +91539.044 0 +357583.28 9350.0 C57
2022-01-04 13:33:55 S 07 03 59.794 +67 41 50.39 V C57
2022-01-04 13:33:55 s 1 +91214.125 0 +357843.86 3280.0 C57
2022-01-04 13:53:55 S 07 03 55.162 +67 42 02.30 V C57
2022-01-04 13:53:55 s 1 +90563.470 0 +358361.97 8480.0 C57
2022-01-04 14:03:54 S 07 03 52.694 +67 42 00.32 V C57
2022-01-04 14:03:54 s 1 +90237.746 0 +358619.54 9790.0 C57
2022-01-04 14:23:54 S 07 03 49.114 +67 42 10.04 V C57
2022-01-04 14:23:54 s 1 +89585.494 0 +359131.66 9790.0 C57
2022-01-04 15:13:54 S 07 03 37.488 +67 42 24.77 V C57
2022-01-04 15:13:54 s 1 +87950.284 0 +360394.55 4960.0 C57
2022-01-04 15:23:55 S 07 03 34.963 +67 42 28.84 V C57
2022-01-04 15:23:55 s 1 +87622.463 0 +360644.14 9480.0 C57
2022-01-04 15:33:54 S 07 03 33.132 +67 42 34.49 V C57
2022-01-04 15:33:54 s 1 +87294.390 0 +360892.74 3200.0 C57
2022-01-04 15:53:54 S 07 03 28.548 +67 42 38.48 V C57
2022-01-04 15:53:54 s 1 +86637.474 0 +361386.95 8150.0 C57
2022-01-04 16:43:54 S 07 03 16.750 +67 42 56.30 V C57
2022-01-04 16:43:54 s 1 +84990.794 0 +362605.13 6530.0 C57
2022-01-04 22:43:54 S 07 01 53.918 +67 44 36.31 V C57
2022-01-04 22:43:54 s 1 +72961.546 0 +370649.45 5350.0 C57
2022-01-04 23:03:54 S 07 01 50.820 +67 44 42.32 V C57
2022-01-04 23:03:54 s 1 +72284.957 0 +371059.22 9610.0 C57
2022-01-04 23:53:54 S 07 01 38.851 +67 44 56.62 V C57
2022-01-04 23:53:54 s 1 +70589.934 0 +372066.63 9830.0 C57
2022-01-05 01:33:55 S 07 01 16.282 +67 45 24.12 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)