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
2021-11-10 00:13:56 s 1 +153702.88 7 +261774.56 6200.0 C57
2021-11-10 00:23:56 S 09 14 07.054 +25 24 14.69 V C57
2021-11-10 00:23:56 s 1 +153490.83 7 +262288.80 300.0 C57
2021-11-10 00:33:56 S 09 14 07.409 +25 24 40.72 V C57
2021-11-10 00:33:56 s 1 +153278.03 5 +262801.76 1810.0 C57
2021-11-10 00:43:56 S 09 14 07.678 +25 25 09.01 V C57
2021-11-10 00:43:56 s 1 +153064.48 4 +263313.45 720.0 C57
2021-11-10 00:53:56 S 09 14 07.951 +25 25 34.46 V C57
2021-11-10 00:53:56 s 1 +152850.18 8 +263823.86 7060.0 C57
2021-11-10 01:03:56 S 09 14 08.378 +25 25 59.23 V C57
2021-11-10 01:03:56 s 1 +152635.14 8 +264332.99 830.0 C57
2021-11-10 01:13:56 S 09 14 08.537 +25 26 23.60 V C57
2021-11-10 01:13:56 s 1 +152419.37 0 +264840.86 2040.0 C57
2021-11-10 01:23:56 S 09 14 09.055 +25 26 49.24 V C57
2021-11-10 01:23:56 s 1 +152202.85 6 +265347.46 720.0 C57
2021-11-10 01:33:56 S 09 14 09.254 +25 27 16.60 V C57
2021-11-10 01:33:56 s 1 +151985.60 9 +265852.79 6850.0 C57
2021-11-10 01:43:56 S 09 14 09.554 +25 27 45.61 V C57
2021-11-10 01:43:56 s 1 +151767.63 3 +266356.85 470.0 C57
2021-11-10 01:53:56 S 09 14 09.845 +25 28 09.80 V C57
2021-11-10 01:53:56 s 1 +151548.93 1 +266859.64 1580.0 C57
2021-11-10 02:03:56 S 09 14 10.231 +25 28 34.03 V C57
2021-11-10 02:03:56 s 1 +151329.50 5 +267361.17 190.0 C57
2021-11-10 02:13:56 S 09 14 10.411 +25 29 02.04 V C57
2021-11-10 02:13:56 s 1 +151109.36 1 +267861.44 6320.0 C57
2021-11-10 02:23:56 S 09 14 10.831 +25 29 31.85 V C57
2021-11-10 02:23:56 s 1 +150888.49 9 +268360.45 9970.0 C57
2021-11-10 02:33:56 S 09 14 10.901 +25 29 52.80 V C57
2021-11-10 02:33:56 s 1 +150666.92 4 +268858.20 1160.0 C57
2021-11-10 02:43:56 S 09 14 11.225 +25 30 21.20 V C57
2021-11-10 02:43:56 s 1 +150444.63 9 +269354.69 9890.0 C57
2021-11-10 02:53:56 S 09 14 11.770 +25 30 46.08 V C57
2021-11-10 02:53:56 s 1 +150221.64 7 +269849.92 6180.0 C57
2021-11-10 03:03:56 S 09 14 11.758 +25 31 11.78 V C57
2021-11-10 03:03:56 s 1 +149997.95 1 +270343.89 40.0 C57
2021-11-10 03:13:56 S 09 14 12.350 +25 31 37.56 V C57
2021-11-10 03:13:56 s 1 +149773.55 4 +270836.61 1490.0 C57
2021-11-10 03:23:56 S 09 14 12.379 +25 32 06.22 V C57
2021-11-10 03:23:56 s 1 +149548.46 0 +271328.08 520.0 C57
2021-11-10 03:33:56 S 09 14 12.732 +25 32 31.85 V C57
2021-11-10 03:33:56 s 1 +149322.67 0 +271818.30 7160.0 C57
2021-11-10 04:13:56 S 09 14 13.927 +25 34 22.33 V C57
2021-11-10 04:13:56 s 1 +148412.62 6 +273766.67 9940.0 C57
2021-11-10 04:23:56 S 09 14 14.628 +25 34 40.15 V C57
2021-11-10 04:23:56 s 1 +148183.40 8 +274250.65 4750.0 C57
2021-11-10 04:33:56 S 09 14 14.515 +25 35 09.24 V C57
2021-11-10 04:33:56 s 1 +147953.51 3 +274733.38 7230.0 C57
2021-11-10 04:43:56 S 09 14 15.110 +25 35 29.26 V C57
2021-11-10 04:43:56 s 1 +147722.94 5 +275214.87 7380.0 C57
2021-11-10 04:53:56 S 09 14 15.146 +25 35 59.60 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)