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
2024-01-10 14:28:24 s 1 +177713.52 7 +277092.24 6090.0 C57
2024-01-10 18:28:24 S 08 08 57.821 +67 27 25.52 V C57
2024-01-10 18:28:24 s 1 +170497.92 2 +281762.08 4250.0 C57
2024-01-10 19:08:24 S 08 08 49.097 +67 27 44.75 V C57
2024-01-10 19:08:24 s 1 +169258.28 5 +282481.39 3910.0 C57
2024-01-10 19:48:24 S 08 08 41.047 +67 28 04.22 V C57
2024-01-10 19:48:24 s 1 +168008.21 9 +283183.65 4320.0 C57
2024-01-10 20:28:24 S 08 08 32.124 +67 28 20.89 V C57
2024-01-10 20:28:24 s 1 +166747.71 4 +283868.69 6070.0 C57
2024-01-10 22:28:24 S 08 08 08.441 +67 29 14.75 V C57
2024-01-10 22:28:24 s 1 +162904.25 9 +285819.87 8220.0 C57
2024-01-10 23:08:24 S 08 08 00.514 +67 29 33.83 V C57
2024-01-10 23:08:24 s 1 +161602.60 1 +286435.28 3850.0 C57
2024-01-10 23:48:24 S 08 07 52.308 +67 29 56.83 V C57
2024-01-10 23:48:24 s 1 +160290.80 0 +287033.11 5080.0 C57
2024-01-11 00:08:24 S 08 07 48.017 +67 30 04.50 V C57
2024-01-11 00:08:24 s 1 +159631.07 3 +287325.33 2910.0 C57
2024-01-11 00:28:24 S 08 07 44.630 +67 30 14.18 V C57
2024-01-11 00:28:24 s 1 +158968.84 7 +287613.15 2520.0 C57
2024-01-11 02:28:24 S 08 07 20.270 +67 31 00.37 V C57
2024-01-11 02:28:24 s 1 +154942.79 0 +289246.00 1210.0 C57
2024-01-11 02:48:24 S 08 07 16.171 +67 31 16.90 V C57
2024-01-11 02:48:24 s 1 +154263.07 2 +289502.39 5540.0 C57
2024-01-11 03:28:24 S 08 07 08.117 +67 31 26.54 V C57
2024-01-11 03:28:24 s 1 +152896.18 5 +290001.47 1770.0 C57
2024-01-11 05:28:24 S 08 06 44.014 +67 32 24.61 V C57
2024-01-11 05:28:24 s 1 +148736.67 4 +291388.82 9720.0 C57
2024-01-11 05:48:24 S 08 06 39.079 +67 32 34.80 V C57
2024-01-11 05:48:24 s 1 +148034.91 3 +291603.90 630.0 C57
2024-01-11 06:08:24 S 08 06 34.918 +67 32 43.12 V C57
2024-01-11 06:08:24 s 1 +147330.70 5 +291814.28 4960.0 C57
2024-01-11 07:40:57 C 08 04 58.469 +67 28 46.42 V 703
2024-01-11 07:44:21 C 08 04 57.842 +67 28 47.89 V 703
2024-01-11 07:47:46 C 08 04 57.198 +67 28 49.12 V 703
2024-01-11 07:51:11 C 08 04 56.446 +67 28 50.88 V 703
2024-01-11 09:48:24 S 08 05 50.791 +67 34 15.46 V C57
2024-01-11 09:48:24 s 1 +139426.98 3 +293818.17 6010.0 C57
2024-01-11 10:28:24 S 08 05 41.890 +67 34 32.84 V C57
2024-01-11 10:28:24 s 1 +137959.28 2 +294120.52 1180.0 C57
2024-01-11 11:28:24 S 08 05 30.583 +67 34 58.37 V C57
2024-01-11 11:28:24 s 1 +135740.33 9 +294537.78 2430.0 C57
2024-01-11 14:08:24 S 08 04 56.417 +67 36 03.89 V C57
2024-01-11 14:08:24 s 1 +129722.75 8 +295433.11 3480.0 C57
2024-01-11 17:08:24 S 08 04 20.318 +67 37 19.45 V C57
2024-01-11 17:08:24 s 1 +122780.95 2 +296060.92 200.0 C57
2024-01-11 18:08:24 S 08 04 07.555 +67 37 45.34 V C57
2024-01-11 18:08:24 s 1 +120427.55 9 +296178.70 400.0 C57
2024-01-11 19:28:24 S 08 03 50.954 +67 38 13.74 V C57
2024-01-11 19:28:24 s 1 +117259.60 3 +296263.51 2470.0 C57
2024-01-11 21:08:24 S 08 03 31.243 +67 38 53.27 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)