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
2019-12-20 12:44:24 s 1 -163787.30 9 +308576.23 940.0 C57
2019-12-20 13:14:24 S 06 25 17.316 +64 41 24.11 V C57
2019-12-20 13:14:24 s 1 -164364.64 0 +307323.25 3900.0 C57
2019-12-20 13:44:24 S 06 25 08.645 +64 41 43.19 V C57
2019-12-20 13:44:24 s 1 -164936.89 3 +306061.00 8550.0 C57
2019-12-20 14:14:24 S 06 24 59.832 +64 42 02.23 V C57
2019-12-20 14:14:24 s 1 -165504.01 6 +304789.44 4780.0 C57
2019-12-20 14:44:24 S 06 24 51.773 +64 42 20.63 V C57
2019-12-20 14:44:24 s 1 -166065.95 4 +303508.55 2480.0 C57
2019-12-20 15:14:24 S 06 24 42.929 +64 42 41.08 V C57
2019-12-20 15:14:24 s 1 -166622.65 3 +302218.29 1540.0 C57
2019-12-20 15:44:24 S 06 24 34.382 +64 42 59.33 V C57
2019-12-20 15:44:24 s 1 -167174.05 8 +300918.64 1840.0 C57
2019-12-20 16:14:24 S 06 24 25.975 +64 43 18.55 V C57
2019-12-20 16:14:24 s 1 -167720.11 4 +299609.58 3270.0 C57
2019-12-20 16:44:24 S 06 24 17.141 +64 43 37.42 V C57
2019-12-20 16:44:24 s 1 -168260.76 3 +298291.06 5710.0 C57
2019-12-20 17:14:24 S 06 24 08.460 +64 43 55.42 V C57
2019-12-20 17:14:24 s 1 -168795.94 8 +296963.06 9040.0 C57
2019-12-20 17:44:24 S 06 24 00.432 +64 44 14.32 V C57
2019-12-20 17:44:24 s 1 -169325.61 1 +295625.55 3140.0 C57
2019-12-20 18:14:24 S 06 23 51.598 +64 44 32.50 V C57
2019-12-20 18:14:24 s 1 -169849.69 2 +294278.50 7890.0 C57
2019-12-20 18:44:24 S 06 23 43.094 +64 44 51.97 V C57
2019-12-20 18:44:24 s 1 -170368.13 2 +292921.87 3150.0 C57
2019-12-20 19:44:24 S 06 23 25.754 +64 45 28.30 V C57
2019-12-20 19:44:24 s 1 -171387.84 2 +290179.78 4730.0 C57
2019-12-20 20:14:24 S 06 23 17.592 +64 45 45.54 V C57
2019-12-20 20:14:24 s 1 -171888.98 7 +288794.25 790.0 C57
2019-12-20 20:44:24 S 06 23 09.091 +64 46 04.94 V C57
2019-12-20 20:44:24 s 1 -172384.24 2 +287399.02 6850.0 C57
2019-12-20 21:14:24 S 06 23 00.348 +64 46 23.63 V C57
2019-12-20 21:14:24 s 1 -172873.54 1 +285994.06 2780.0 C57
2019-12-20 21:44:24 S 06 22 52.193 +64 46 39.32 V C57
2019-12-20 21:44:24 s 1 -173356.81 8 +284579.33 8440.0 C57
2019-12-20 22:14:24 S 06 22 43.841 +64 46 57.68 V C57
2019-12-20 22:14:24 s 1 -173834.00 7 +283154.79 3690.0 C57
2019-12-20 22:44:24 S 06 22 35.042 +64 47 16.01 V C57
2019-12-20 22:44:24 s 1 -174305.04 1 +281720.42 8390.0 C57
2019-12-20 23:14:24 S 06 22 27.000 +64 47 31.81 V C57
2019-12-20 23:14:24 s 1 -174769.85 0 +280276.18 2400.0 C57
2019-12-20 23:44:24 S 06 22 17.834 +64 47 52.94 V C57
2019-12-20 23:44:24 s 1 -175228.36 4 +278822.04 5570.0 C57
2019-12-21 00:14:24 S 06 22 09.982 +64 48 05.72 V C57
2019-12-21 00:14:24 s 1 -175680.51 2 +277357.95 7760.0 C57
2019-12-21 00:44:24 S 06 22 01.159 +64 48 24.01 V C57
2019-12-21 00:44:24 s 1 -176126.22 3 +275883.88 8810.0 C57
2019-12-21 01:14:24 S 06 21 52.802 +64 48 41.00 V C57
2019-12-21 01:14:24 s 1 -176565.42 2 +274399.80 8570.0 C57
2019-12-21 02:14:24 S 06 21 36.542 +64 49 14.16 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)