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
2021-10-22 19:53:57 S 08 58 02.294 +07 03 55.55 V C57
2021-10-22 19:53:57 s 1 -173148.58 7 +156741.21 870.0 C57
2021-10-22 20:03:57 S 08 58 02.477 +07 04 24.38 V C57
2021-10-22 20:03:57 s 1 -173191.83 3 +155984.40 5760.0 C57
2021-10-22 20:23:57 S 08 58 03.278 +07 05 13.60 V C57
2021-10-22 20:23:57 s 1 -173272.97 8 +154465.95 6640.0 C57
2021-10-22 20:33:57 S 08 58 03.295 +07 05 37.54 V C57
2021-10-22 20:33:57 s 1 -173310.85 4 +153704.30 2560.0 C57
2021-10-22 20:43:57 S 08 58 03.317 +07 06 02.63 V C57
2021-10-22 20:43:57 s 1 -173346.92 0 +152941.05 2080.0 C57
2021-10-22 21:13:57 S 08 58 04.490 +07 07 09.26 V C57
2021-10-22 21:13:57 s 1 -173444.13 7 +150641.58 1850.0 C57
2021-10-22 22:03:57 S 08 58 05.683 +07 09 14.22 V C57
2021-10-22 22:03:57 s 1 -173568.90 4 +146776.76 3270.0 C57
2021-10-22 22:13:57 S 08 58 05.755 +07 09 36.65 V C57
2021-10-22 22:13:57 s 1 -173588.16 6 +145998.93 3460.0 C57
2021-10-22 22:23:57 S 08 58 06.240 +07 10 04.40 V C57
2021-10-22 22:23:57 s 1 -173605.50 4 +145219.47 6870.0 C57
2021-10-22 22:33:57 S 08 58 06.451 +07 10 32.02 V C57
2021-10-22 22:33:57 s 1 -173620.90 5 +144438.39 3450.0 C57
2021-10-22 22:43:57 S 08 58 06.775 +07 10 55.38 V C57
2021-10-22 22:43:57 s 1 -173634.35 9 +143655.68 3160.0 C57
2021-10-22 22:53:57 S 08 58 07.195 +07 11 20.90 V C57
2021-10-22 22:53:57 s 1 -173645.85 2 +142871.34 5960.0 C57
2021-10-22 23:03:57 S 08 58 07.337 +07 11 46.36 V C57
2021-10-22 23:03:57 s 1 -173655.37 4 +142085.37 1800.0 C57
2021-10-22 23:13:57 S 08 58 07.750 +07 12 07.06 V C57
2021-10-22 23:13:57 s 1 -173662.91 1 +141297.77 650.0 C57
2021-10-22 23:23:57 S 08 58 07.829 +07 12 35.06 V C57
2021-10-22 23:23:57 s 1 -173668.45 1 +140508.54 2460.0 C57
2021-10-22 23:43:57 S 08 58 08.023 +07 13 24.06 V C57
2021-10-22 23:43:57 s 1 -173673.49 3 +138925.18 4800.0 C57
2021-10-22 23:53:57 S 08 58 08.642 +07 13 47.71 V C57
2021-10-22 23:53:57 s 1 -173672.96 8 +138131.05 5240.0 C57
2021-10-23 00:03:57 S 08 58 09.115 +07 14 11.87 V C57
2021-10-23 00:03:57 s 1 -173670.39 7 +137335.29 8460.0 C57
2021-10-23 00:43:57 S 08 58 10.231 +07 15 49.64 V C57
2021-10-23 00:43:57 s 1 -173639.38 5 +134135.86 8380.0 C57
2021-10-23 00:53:57 S 08 58 09.946 +07 16 14.20 V C57
2021-10-23 00:53:57 s 1 -173626.38 5 +133331.91 4890.0 C57
2021-10-23 01:13:57 S 08 58 10.577 +07 17 05.24 V C57
2021-10-23 01:13:57 s 1 -173593.99 4 +131719.09 5400.0 C57
2021-10-23 01:33:57 S 08 58 11.141 +07 17 56.08 V C57
2021-10-23 01:33:57 s 1 -173552.99 1 +130099.72 5620.0 C57
2021-10-23 01:53:57 S 08 58 11.770 +07 18 40.03 V C57
2021-10-23 01:53:57 s 1 -173503.26 7 +128473.77 5160.0 C57
2021-10-23 02:23:57 S 08 58 12.293 +07 19 51.20 V C57
2021-10-23 02:23:57 s 1 -173412.08 2 +126022.54 1090.0 C57
2021-10-23 09:53:57 S 08 58 24.660 +07 38 24.58 V C57
2021-10-23 09:53:57 s 1 -169368.42 0 +87485.534 3910.0 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)