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
2021-11-08 12:13:56 S 09 12 49.193 +23 49 46.81 V C57
2021-11-08 12:13:56 s 1 +173589.64 0 +117962.75 4470.0 C57
2021-11-08 12:23:56 S 09 12 49.807 +23 50 15.36 V C57
2021-11-08 12:23:56 s 1 +173671.73 1 +118791.78 7870.0 C57
2021-11-08 12:33:56 S 09 12 50.081 +23 50 41.71 V C57
2021-11-08 12:33:56 s 1 +173751.44 8 +119619.19 2900.0 C57
2021-11-08 12:43:56 S 09 12 50.453 +23 51 05.40 V C57
2021-11-08 12:43:56 s 1 +173828.80 8 +120444.99 9620.0 C57
2021-11-08 12:53:56 S 09 12 50.916 +23 51 31.61 V C57
2021-11-08 12:53:56 s 1 +173903.81 2 +121269.20 7970.0 C57
2021-11-08 13:03:56 S 09 12 51.454 +23 52 00.66 V C57
2021-11-08 13:03:56 s 1 +173975.84 6 +122092.59 2390.0 C57
2021-11-08 13:13:56 S 09 12 51.811 +23 52 25.72 V C57
2021-11-08 13:13:56 s 1 +174046.26 1 +122913.49 4850.0 C57
2021-11-08 13:23:56 S 09 12 52.106 +23 52 50.30 V C57
2021-11-08 13:23:56 s 1 +174114.33 9 +123732.84 8860.0 C57
2021-11-08 13:33:56 S 09 12 52.519 +23 53 18.28 V C57
2021-11-08 13:33:56 s 1 +174180.13 4 +124550.57 4820.0 C57
2021-11-08 13:43:56 S 09 12 52.901 +23 53 43.04 V C57
2021-11-08 13:43:56 s 1 +174243.66 3 +125366.69 2810.0 C57
2021-11-08 13:53:56 S 09 12 53.194 +23 54 11.27 V C57
2021-11-08 13:53:56 s 1 +174304.94 0 +126181.20 2850.0 C57
2021-11-08 14:03:56 S 09 12 53.938 +23 54 34.70 V C57
2021-11-08 14:03:56 s 1 +174363.98 0 +126994.09 5020.0 C57
2021-11-08 14:13:56 S 09 12 54.173 +23 55 03.72 V C57
2021-11-08 14:13:56 s 1 +174420.79 6 +127805.38 9360.0 C57
2021-11-08 14:23:56 S 09 12 54.713 +23 55 26.98 V C57
2021-11-08 14:23:56 s 1 +174475.40 3 +128615.06 5920.0 C57
2021-11-08 14:33:56 S 09 12 55.135 +23 55 53.90 V C57
2021-11-08 14:33:56 s 1 +174527.81 6 +129423.12 4750.0 C57
2021-11-08 14:43:56 S 09 12 55.430 +23 56 18.49 V C57
2021-11-08 14:43:56 s 1 +174578.04 8 +130229.58 5900.0 C57
2021-11-08 14:53:56 S 09 12 55.894 +23 56 47.69 V C57
2021-11-08 14:53:56 s 1 +174626.11 4 +131034.43 9430.0 C57
2021-11-08 15:03:56 S 09 12 56.304 +23 57 15.08 V C57
2021-11-08 15:03:56 s 1 +174672.02 7 +131837.68 5380.0 C57
2021-11-08 15:13:56 S 09 12 56.635 +23 57 38.95 V C57
2021-11-08 15:13:56 s 1 +174715.80 0 +132639.31 3800.0 C57
2021-11-08 15:23:56 S 09 12 57.041 +23 58 04.73 V C57
2021-11-08 15:23:56 s 1 +174757.44 9 +133439.35 4740.0 C57
2021-11-08 15:33:56 S 09 12 57.374 +23 58 30.79 V C57
2021-11-08 15:33:56 s 1 +174796.98 5 +134237.78 8240.0 C57
2021-11-08 15:43:56 S 09 12 57.960 +23 58 58.19 V C57
2021-11-08 15:43:56 s 1 +174834.42 2 +135034.60 4360.0 C57
2021-11-08 15:53:56 S 09 12 58.375 +23 59 25.87 V C57
2021-11-08 15:53:56 s 1 +174869.77 4 +135829.83 3140.0 C57
2021-11-08 16:03:56 S 09 12 58.771 +23 59 48.01 V C57
2021-11-08 16:03:56 s 1 +174903.05 3 +136623.45 4630.0 C57
2021-11-08 16:13:56 S 09 12 59.148 +24 00 20.09 V C57
2021-11-08 16:13:56 s 1 +174934.27 3 +137415.47 8880.0 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)