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
2021-11-01 06:43:57 s 1 -34678.793 0 +366781.45 560.0 C57
2021-11-01 14:53:00 C 09 06 49.67 +16 49 09.5 V T05
2021-11-01 15:00:27 C 09 06 49.91 +16 49 28.3 V T05
2021-11-01 15:05:04 C 09 06 50.06 +16 49 40.0 V T05
2021-11-01 15:12:29 C 09 06 50.28 +16 49 58.7 V T05
2021-11-02 03:33:56 S 09 07 55.517 +17 23 46.75 V C57
2021-11-02 03:33:56 s 1 -78230.067 0 +343114.93 7710.0 C57
2021-11-02 03:43:57 S 09 07 55.661 +17 24 09.43 V C57
2021-11-02 03:43:57 s 1 -78565.056 0 +342856.51 9640.0 C57
2021-11-02 03:53:56 S 09 07 55.992 +17 24 35.10 V C57
2021-11-02 03:53:56 s 1 -78899.775 0 +342596.97 520.0 C57
2021-11-02 04:03:57 S 09 07 56.064 +17 25 01.88 V C57
2021-11-02 04:03:57 s 1 -79234.223 0 +342336.30 340.0 C57
2021-11-02 04:13:56 S 09 07 56.407 +17 25 22.94 V C57
2021-11-02 04:13:56 s 1 -79568.398 0 +342074.51 9090.0 C57
2021-11-02 04:23:57 S 09 07 56.748 +17 25 50.84 V C57
2021-11-02 04:23:57 s 1 -79902.299 0 +341811.59 6770.0 C57
2021-11-02 04:33:56 S 09 07 57.031 +17 26 14.03 V C57
2021-11-02 04:33:56 s 1 -80235.925 0 +341547.55 3370.0 C57
2021-11-02 04:43:56 S 09 07 57.214 +17 26 40.56 V C57
2021-11-02 04:43:56 s 1 -80569.273 0 +341282.38 8890.0 C57
2021-11-02 04:53:57 S 09 07 57.307 +17 27 04.61 V C57
2021-11-02 04:53:57 s 1 -80902.343 0 +341016.08 3320.0 C57
2021-11-02 05:03:56 S 09 07 57.871 +17 27 29.92 V C57
2021-11-02 05:03:56 s 1 -81235.133 0 +340748.66 6660.0 C57
2021-11-02 05:53:57 S 09 07 59.078 +17 29 33.40 V C57
2021-11-02 05:53:57 s 1 -82894.829 0 +339394.60 6760.0 C57
2021-11-02 06:03:56 S 09 07 59.414 +17 29 59.32 V C57
2021-11-02 06:03:56 s 1 -83225.908 0 +339120.39 3430.0 C57
2021-11-02 06:13:56 S 09 07 59.496 +17 30 21.71 V C57
2021-11-02 06:13:56 s 1 -83556.695 0 +338845.05 8960.0 C57
2021-11-02 06:23:57 S 09 07 59.959 +17 30 49.68 V C57
2021-11-02 06:23:57 s 1 -83887.191 0 +338568.57 3360.0 C57
2021-11-02 06:33:56 S 09 08 00.240 +17 31 13.37 V C57
2021-11-02 06:33:56 s 1 -84217.393 0 +338290.97 6620.0 C57
2021-11-02 06:43:57 S 09 08 00.329 +17 31 40.87 V C57
2021-11-02 06:43:57 s 1 -84547.300 0 +338012.22 8720.0 C57
2021-11-02 06:53:56 S 09 08 00.636 +17 32 05.96 V C57
2021-11-02 06:53:56 s 1 -84876.910 0 +337732.34 9680.0 C57
2021-11-02 07:03:57 S 09 08 01.044 +17 32 26.20 V C57
2021-11-02 07:03:57 s 1 -85206.222 0 +337451.32 9470.0 C57
2021-11-02 07:13:56 S 09 08 01.414 +17 32 54.17 V C57
2021-11-02 07:13:56 s 1 -85535.234 0 +337169.17 8100.0 C57
2021-11-02 07:23:56 S 09 08 01.673 +17 33 17.28 V C57
2021-11-02 07:23:56 s 1 -85863.945 0 +336885.87 5560.0 C57
2021-11-02 07:33:56 S 09 08 01.798 +17 33 43.52 V C57
2021-11-02 07:33:56 s 1 -86192.353 0 +336601.44 1850.0 C57
2021-11-02 07:43:56 S 09 08 01.858 +17 34 04.94 V C57
2021-11-02 07:43:56 s 1 -86520.457 0 +336315.86 6950.0 C57
2021-11-02 07:53:57 S 09 08 02.242 +17 34 35.51 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)