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
2025-12-26 12:23:28 C 09 56 14.789 +58 42 20.52 V T08
2025-12-26 12:30:05 C 09 56 14.302 +58 42 29.16 V T08
2025-12-26 12:34:02 C 09 56 13.997 +58 42 34.52 V T08
2025-12-26 12:37:20 C 09 56 13.769 +58 42 38.48 V T08
2025-12-26 12:42:41 C 09 56 13.421 +58 42 46.40 V T08
2025-12-26 12:56:49 C 09 56 12.341 +58 43 04.40 V T08
2025-12-28 04:26:55 B 09 53 09.197 +59 34 03.47 q Y84
2025-12-28 04:34:42 B 09 53 08.518 +59 34 13.40 q Y84
2025-12-28 04:42:25 B 09 53 07.865 +59 34 22.91 q Y84
2025-12-28 11:54:56 C 09 52 33.077 +59 43 34.25 V T08
2025-12-28 11:58:55 C 09 52 32.714 +59 43 39.65 V T08
2025-12-28 12:00:57 C 09 52 32.502 +59 43 42.07 X F51
2025-12-28 12:04:49 C 09 52 32.164 +59 43 47.00 X F51
2025-12-28 12:06:51 C 09 52 31.978 +59 43 49.91 V T08
2025-12-28 12:08:41 C 09 52 31.823 +59 43 51.94 X F51
2025-12-28 12:12:36 C 09 52 31.477 +59 43 56.97 X F51
2025-12-28 12:25:28 C 09 52 30.331 +59 44 13.88 V T08
2025-12-31 01:07:16 B 09 47 00.562 +60 58 33.82 q Y84
2025-12-31 01:16:28 B 09 46 59.628 +60 58 44.87 q Y84
2025-12-31 01:25:47 B 09 46 58.692 +60 58 56.06 q Y84
2026-01-01 11:39:07 C 09 43 29.777 +61 38 50.64 V T08
2026-01-01 11:46:24 C 09 43 28.968 +61 38 59.10 V T08
2026-01-01 12:01:54 C 09 43 27.247 +61 39 16.74 V T08
2026-01-01 12:03:52 C 09 43 27.065 +61 39 19.04 V T08
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)