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
2021-10-31 21:33:57 s 1 -14822.374 0 +371911.46 2040.0 C57
2021-10-31 21:43:57 S 09 07 04.049 +16 09 14.62 V C57
2021-10-31 21:43:57 s 1 -15185.386 0 +371846.44 30.0 C57
2021-10-31 21:53:57 S 09 07 04.466 +16 09 43.31 V C57
2021-10-31 21:53:57 s 1 -15548.342 0 +371780.37 7720.0 C57
2021-10-31 22:13:56 S 09 07 05.004 +16 10 28.88 V C57
2021-10-31 22:13:56 s 1 -16274.085 0 +371645.12 2250.0 C57
2021-10-31 22:23:57 S 09 07 05.278 +16 10 57.97 V C57
2021-10-31 22:23:57 s 1 -16636.870 0 +371575.92 9070.0 C57
2021-10-31 22:33:56 S 09 07 05.592 +16 11 21.62 V C57
2021-10-31 22:33:56 s 1 -16999.596 0 +371505.69 5590.0 C57
2021-10-31 22:53:57 S 09 07 06.331 +16 12 09.22 V C57
2021-10-31 22:53:57 s 1 -17724.866 0 +371362.09 7730.0 C57
2021-10-31 23:03:57 S 09 07 06.679 +16 12 35.68 V C57
2021-10-31 23:03:57 s 1 -18087.409 0 +371288.72 3330.0 C57
2021-10-31 23:13:57 S 09 07 06.754 +16 12 59.80 V C57
2021-10-31 23:13:57 s 1 -18449.887 0 +371214.31 8620.0 C57
2021-10-31 23:23:57 S 09 07 07.421 +16 13 22.51 V C57
2021-10-31 23:23:57 s 1 -18812.302 0 +371138.86 3590.0 C57
2021-10-31 23:33:57 S 09 07 07.529 +16 13 47.68 V C57
2021-10-31 23:33:57 s 1 -19174.651 0 +371062.36 8230.0 C57
2021-10-31 23:43:56 S 09 07 07.728 +16 14 11.80 V C57
2021-10-31 23:43:56 s 1 -19536.934 0 +370984.82 2560.0 C57
2021-10-31 23:53:57 S 09 07 08.170 +16 14 41.46 V C57
2021-10-31 23:53:57 s 1 -19899.149 0 +370906.23 6550.0 C57
2021-11-01 00:03:56 S 09 07 08.254 +16 15 04.25 V C57
2021-11-01 00:03:56 s 1 -20261.296 0 +370826.60 210.0 C57
2021-11-01 00:13:57 S 09 07 08.688 +16 15 28.44 V C57
2021-11-01 00:13:57 s 1 -20623.373 0 +370745.92 3540.0 C57
2021-11-01 00:23:57 S 09 07 08.981 +16 15 55.15 V C57
2021-11-01 00:23:57 s 1 -20985.379 0 +370664.20 6520.0 C57
2021-11-01 00:33:57 S 09 07 09.307 +16 16 18.48 V C57
2021-11-01 00:33:57 s 1 -21347.314 0 +370581.43 9160.0 C57
2021-11-01 00:43:57 S 09 07 09.631 +16 16 46.16 V C57
2021-11-01 00:43:57 s 1 -21709.176 0 +370497.62 1460.0 C57
2021-11-01 00:53:56 S 09 07 09.972 +16 17 13.42 V C57
2021-11-01 00:53:56 s 1 -22070.964 0 +370412.76 3400.0 C57
2021-11-01 01:33:56 S 09 07 10.956 +16 18 53.17 V C57
2021-11-01 01:33:56 s 1 -23517.358 0 +370062.85 7580.0 C57
2021-11-01 01:43:57 S 09 07 11.227 +16 19 18.84 V C57
2021-11-01 01:43:57 s 1 -23878.761 0 +369972.75 7710.0 C57
2021-11-01 04:03:57 S 09 07 15.770 +16 25 01.56 V C57
2021-11-01 04:03:57 s 1 -28929.509 0 +368601.29 8520.0 C57
2021-11-01 04:23:57 S 09 07 16.190 +16 25 56.60 V C57
2021-11-01 04:23:57 s 1 -29649.592 0 +368388.56 6330.0 C57
2021-11-01 05:13:57 S 09 07 17.494 +16 27 52.38 V C57
2021-11-01 05:13:57 s 1 -31448.078 0 +367838.31 8180.0 C57
2021-11-01 06:33:57 S 09 07 20.419 +16 31 14.63 V C57
2021-11-01 06:33:57 s 1 -34320.260 0 +366903.10 3310.0 C57
2021-11-01 06:43:57 S 09 07 20.386 +16 31 45.12 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)