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
2021-11-09 19:53:56 s 1 +158940.63 3 +247951.32 5370.0 C57
2021-11-09 20:03:56 S 09 13 58.894 +25 12 56.77 V C57
2021-11-09 20:03:56 s 1 +158749.38 6 +248499.28 1540.0 C57
2021-11-09 20:13:56 S 09 13 59.261 +25 13 21.76 V C57
2021-11-09 20:13:56 s 1 +158557.29 4 +249045.93 4770.0 C57
2021-11-09 20:23:56 S 09 13 59.578 +25 13 46.45 V C57
2021-11-09 20:23:56 s 1 +158364.35 8 +249591.26 5080.0 C57
2021-11-09 20:33:56 S 09 13 59.856 +25 14 13.85 V C57
2021-11-09 20:33:56 s 1 +158170.58 4 +250135.28 2480.0 C57
2021-11-09 20:43:56 S 09 14 00.214 +25 14 42.29 V C57
2021-11-09 20:43:56 s 1 +157975.97 5 +250677.99 6990.0 C57
2021-11-09 20:53:56 S 09 14 00.451 +25 15 08.42 V C57
2021-11-09 20:53:56 s 1 +157780.53 5 +251219.38 8610.0 C57
2021-11-09 21:03:56 S 09 14 00.888 +25 15 34.13 V C57
2021-11-09 21:03:56 s 1 +157584.26 7 +251759.47 7370.0 C57
2021-11-09 21:13:56 S 09 14 01.111 +25 15 59.94 V C57
2021-11-09 21:13:56 s 1 +157387.17 6 +252298.25 3280.0 C57
2021-11-09 21:23:56 S 09 14 01.423 +25 16 26.40 V C57
2021-11-09 21:23:56 s 1 +157189.26 6 +252835.73 6340.0 C57
2021-11-09 21:43:56 S 09 14 01.680 +25 17 10.07 V C57
2021-11-09 21:43:56 s 1 +156791.00 0 +253906.77 3990.0 C57
2021-11-09 21:53:56 S 09 14 02.280 +25 17 44.81 V C57
2021-11-09 21:53:56 s 1 +156590.65 2 +254440.34 8610.0 C57
2021-11-09 22:03:56 S 09 14 02.510 +25 18 12.96 V C57
2021-11-09 22:03:56 s 1 +156389.49 9 +254972.61 440.0 C57
2021-11-09 22:13:56 S 09 14 03.223 +25 18 41.54 V C57
2021-11-09 22:13:56 s 1 +156187.54 5 +255503.58 9490.0 C57
2021-11-09 22:23:56 S 09 14 03.290 +25 19 03.43 V C57
2021-11-09 22:23:56 s 1 +155984.79 3 +256033.25 5780.0 C57
2021-11-09 22:33:56 S 09 14 03.432 +25 19 26.90 V C57
2021-11-09 22:33:56 s 1 +155781.24 7 +256561.64 9320.0 C57
2021-11-09 22:43:56 S 09 14 03.842 +25 19 57.43 V C57
2021-11-09 22:43:56 s 1 +155576.91 0 +257088.72 120.0 C57
2021-11-09 22:53:56 S 09 14 04.450 +25 20 18.67 V C57
2021-11-09 22:53:56 s 1 +155371.78 7 +257614.52 8190.0 C57
2021-11-09 23:03:56 S 09 14 04.709 +25 20 44.77 V C57
2021-11-09 23:03:56 s 1 +155165.88 0 +258139.02 3560.0 C57
2021-11-09 23:13:56 S 09 14 04.865 +25 21 11.63 V C57
2021-11-09 23:13:56 s 1 +154959.19 3 +258662.24 6220.0 C57
2021-11-09 23:23:56 S 09 14 05.294 +25 21 37.87 V C57
2021-11-09 23:23:56 s 1 +154751.72 9 +259184.17 6200.0 C57
2021-11-09 23:33:56 S 09 14 05.575 +25 22 05.63 V C57
2021-11-09 23:33:56 s 1 +154543.49 3 +259704.82 3500.0 C57
2021-11-09 23:43:56 S 09 14 05.863 +25 22 29.50 V C57
2021-11-09 23:43:56 s 1 +154334.48 7 +260224.18 8140.0 C57
2021-11-09 23:53:56 S 09 14 06.074 +25 22 55.27 V C57
2021-11-09 23:53:56 s 1 +154124.71 5 +260742.25 120.0 C57
2021-11-10 00:03:56 S 09 14 06.398 +25 23 22.06 V C57
2021-11-10 00:03:56 s 1 +153914.18 1 +261259.05 9470.0 C57
2021-11-10 00:13:56 S 09 14 06.787 +25 23 51.86 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)