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
2022-01-03 11:23:55 s 1 +138021.96 9 +304256.09 6560.0 C57
2022-01-03 11:33:55 S 07 09 55.214 +67 32 25.26 V C57
2022-01-03 11:33:55 s 1 +137757.07 7 +304681.29 4090.0 C57
2022-01-03 12:03:55 S 07 09 48.526 +67 32 32.93 V C57
2022-01-03 12:03:55 s 1 +136959.28 2 +305950.18 5060.0 C57
2022-01-03 17:13:55 S 07 08 37.702 +67 34 41.41 V C57
2022-01-03 17:13:55 s 1 +128453.42 0 +318477.29 6490.0 C57
2022-01-03 17:33:55 S 07 08 32.827 +67 34 47.71 V C57
2022-01-03 17:33:55 s 1 +127889.11 9 +319249.30 3920.0 C57
2022-01-03 18:03:55 S 07 08 27.461 +67 34 58.94 V C57
2022-01-03 18:03:55 s 1 +127039.29 5 +320399.15 2730.0 C57
2022-01-03 18:33:55 S 07 08 19.764 +67 35 06.50 V C57
2022-01-03 18:33:55 s 1 +126185.47 1 +321539.24 6950.0 C57
2022-01-03 18:43:55 S 07 08 17.810 +67 35 18.78 V C57
2022-01-03 18:43:55 s 1 +125899.98 1 +321917.11 8480.0 C57
2022-01-03 19:43:55 S 07 08 04.085 +67 35 39.41 V C57
2022-01-03 19:43:55 s 1 +124177.93 2 +324161.64 4510.0 C57
2022-01-03 20:33:55 S 07 07 52.440 +67 36 02.99 V C57
2022-01-03 20:33:55 s 1 +122731.14 4 +326002.50 1940.0 C57
2022-01-03 20:43:54 S 07 07 50.489 +67 36 03.56 V C57
2022-01-03 20:43:54 s 1 +122440.52 4 +326367.45 4860.0 C57
2022-01-03 21:03:55 S 07 07 46.646 +67 36 14.69 V C57
2022-01-03 21:03:55 s 1 +121858.04 2 +327094.15 6220.0 C57
2022-01-03 21:13:55 S 07 07 43.253 +67 36 10.51 V C57
2022-01-03 21:13:55 s 1 +121566.17 9 +327455.89 4660.0 C57
2022-01-03 21:23:55 S 07 07 41.770 +67 36 16.38 V C57
2022-01-03 21:23:55 s 1 +121273.90 3 +327816.56 1610.0 C57
2022-01-03 21:33:55 S 07 07 39.487 +67 36 20.95 V C57
2022-01-03 21:33:55 s 1 +120981.22 5 +328176.18 7110.0 C57
2022-01-03 21:43:55 S 07 07 37.056 +67 36 24.88 V C57
2022-01-03 21:43:55 s 1 +120688.13 3 +328534.72 1130.0 C57
2022-01-03 21:53:54 S 07 07 34.546 +67 36 30.56 V C57
2022-01-03 21:53:54 s 1 +120394.63 4 +328892.18 3680.0 C57
2022-01-03 22:13:54 S 07 07 30.466 +67 36 39.20 V C57
2022-01-03 22:13:54 s 1 +119806.43 3 +329603.95 4450.0 C57
2022-01-03 22:23:55 S 07 07 27.530 +67 36 40.25 V C57
2022-01-03 22:23:55 s 1 +119511.72 6 +329958.23 2670.0 C57
2022-01-03 22:33:55 S 07 07 24.766 +67 36 38.88 V C57
2022-01-03 22:33:55 s 1 +119216.62 7 +330311.46 9480.0 C57
2022-01-03 22:43:55 S 07 07 23.347 +67 36 50.51 V C57
2022-01-03 22:43:55 s 1 +118921.12 4 +330663.62 4840.0 C57
2022-01-03 22:53:55 S 07 07 20.892 +67 36 51.62 V C57
2022-01-03 22:53:55 s 1 +118625.22 3 +331014.71 8780.0 C57
2022-01-03 23:13:55 S 07 07 16.219 +67 36 55.66 V C57
2022-01-03 23:13:55 s 1 +118032.25 0 +331713.73 2460.0 C57
2022-01-03 23:23:54 S 07 07 14.974 +67 37 00.23 V C57
2022-01-03 23:23:54 s 1 +117735.17 1 +332061.65 2190.0 C57
2022-01-03 23:33:55 S 07 07 12.058 +67 37 04.91 V C57
2022-01-03 23:33:55 s 1 +117437.71 0 +332408.52 560.0 C57
2022-01-03 23:43:54 S 07 07 09.665 +67 37 10.34 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)