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
2023-12-29 11:51:27 C 08 59 55.610 +63 26 45.92 V T05
2023-12-29 11:54:42 C 08 59 55.061 +63 26 49.81 V T05
2023-12-29 11:59:15 C 08 59 54.389 +63 26 54.64 V T05
2023-12-29 12:07:05 C 08 59 53.239 +63 27 03.28 V T05
2023-12-31 09:39:31 C 08 52 53.938 +64 17 02.33 V T08
2023-12-31 09:42:23 C 08 52 53.414 +64 17 05.64 V T08
2023-12-31 09:49:22 C 08 52 52.327 +64 17 13.02 V T08
2023-12-31 09:56:41 C 08 52 51.120 +64 17 20.80 V T08
2024-01-01 09:50:00 C 08 48 57.416 +64 41 41.86 V 703
2024-01-01 09:53:27 C 08 48 56.884 +64 41 45.49 V 703
2024-01-01 09:56:54 C 08 48 56.063 +64 41 48.62 V 703
2024-01-01 10:00:20 C 08 48 55.566 +64 41 53.34 V 703
2024-01-02 11:41:58 C 08 44 37.102 +65 06 35.78 V T05
2024-01-02 11:44:35 C 08 44 36.660 +65 06 38.23 V T05
2024-01-02 11:49:10 C 08 44 35.746 +65 06 42.91 V T05
2024-01-02 11:56:59 C 08 44 34.490 +65 06 50.00 V T05
2024-01-04 10:45:53 C 08 36 21.742 +65 47 44.92 V T08
2024-01-04 10:50:04 C 08 36 20.962 +65 47 48.19 V T08
2024-01-04 10:55:38 C 08 36 19.913 +65 47 52.87 V T08
2024-01-04 11:15:05 C 08 36 16.231 +65 48 08.82 V T08
2024-01-08 05:55:04 S 08 20 38.402 +66 53 26.45 V C57
2024-01-08 05:55:04 s 1 +233449.67 8 +155419.25 0.548 C57
2024-01-08 06:35:04 S 08 20 31.505 +66 53 56.29 V C57
2024-01-08 06:35:04 s 1 +233360.16 9 +157365.30 0.321 C57
2024-01-08 06:55:04 S 08 20 27.859 +66 54 10.55 V C57
2024-01-08 06:55:04 s 1 +233309.72 7 +158334.53 0.535 C57
2024-01-08 07:35:04 S 08 20 19.694 +66 54 36.11 V C57
2024-01-08 07:35:04 s 1 +233197.54 3 +160265.37 0.7 C57
2024-01-08 08:15:04 S 08 20 12.929 +66 54 59.72 V C57
2024-01-08 08:15:04 s 1 +233070.31 0 +162185.95 0.901 C57
2024-01-08 08:55:04 S 08 20 05.904 +66 55 29.24 V C57
2024-01-08 08:55:04 s 1 +232928.12 4 +164096.21 0.253 C57
2024-01-08 10:15:04 S 08 19 50.707 +66 56 16.15 V C57
2024-01-08 10:15:04 s 1 +232599.10 1 +167885.42 0.748 C57
2024-01-08 10:55:04 S 08 19 43.212 +66 56 44.99 V C57
2024-01-08 10:55:04 s 1 +232412.40 7 +169764.22 0.085 C57
2024-01-08 11:35:04 S 08 19 35.213 +66 57 07.09 V C57
2024-01-08 11:35:04 s 1 +232211.00 7 +171632.36 0.935 C57
2024-01-08 11:55:04 S 08 19 32.306 +66 57 20.09 V C57
2024-01-08 11:55:04 s 1 +232104.80 4 +172562.41 0.95 C57
2024-01-08 12:15:04 S 08 19 28.176 +66 57 34.85 V C57
2024-01-08 12:15:04 s 1 +231994.94 9 +173489.77 0.377 C57
2024-01-08 13:05:25 C 08 17 55.867 +66 56 06.97 V T08
2024-01-08 13:09:36 C 08 17 55.051 +66 56 09.56 V T08
2024-01-08 13:15:04 S 08 19 16.421 +66 58 06.38 V C57
2024-01-08 13:15:04 s 1 +231637.00 3 +176261.54 0.871 C57
2024-01-08 13:27:29 C 08 17 51.490 +66 56 19.50 V T08
2024-01-08 13:33:19 C 08 17 50.335 +66 56 22.88 V T08
2024-01-08 13:35:04 S 08 19 12.718 +66 58 24.46 V C57
2024-01-08 13:35:04 s 1 +231512.60 1 +177178.03 0.037 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)