190166 (2005 UP156)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4714656459 ± 1.25e-09
Semi-major axis (a)2.1148021999 AU ± 1.95e-09
Inclination (i)4.20652007° ± 1.68e-07
Long. of Asc. Node (Ω)193.09986023° ± 5.15e-06
Arg. of Perihelion (ω)91.63338068° ± 5.17e-06
Mean Anomaly (M)258.92267058° ± 1.41e-06
Mean Motion (n)0.3204849545°/day ± 4.43e-10
Perihelion dist (q)1.11774561 AU ± 2.84e-09
Aphelion dist (Q)3.11185879 AU ± 3.90e-09
Orbital Period3.07542139 yr ± 4.25e-09
Physical Parameters
H (abs. magnitude)17.26
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.179″
Uncertainty0
Orbit TypeAmor
MOID0.126650 AU
Observations Used2681
Radar Obs Used2
Oppositions10
Arc Total2002-2026
First Observation Used2002-11-24
Last Observation Used2026-03-18
Observations (2889)
Date Type RA Dec Mag Band Observatory
2017-08-12 22:47:02 C 20 41 00.59 +04 31 17.8 u 193
2017-08-12 22:51:35 C 20 41 01.12 +04 31 13.0 u 193
2017-08-12 22:56:07 C 20 41 01.64 +04 31 08.3 u 193
2017-08-12 23:00:38 C 20 41 02.18 +04 31 03.4 u 193
2017-08-12 23:05:11 C 20 41 02.72 +04 30 58.6 u 193
2017-08-12 23:09:43 C 20 41 03.21 +04 30 53.8 u 193
2017-08-12 23:14:16 C 20 41 03.81 +04 30 49.0 u 193
2017-08-12 23:18:48 C 20 41 04.35 +04 30 44.2 u 193
2017-08-12 23:23:21 C 20 41 04.89 +04 30 39.2 u 193
2017-08-12 23:27:54 C 20 41 05.45 +04 30 34.6 u 193
2017-08-12 23:32:26 C 20 41 05.98 +04 30 29.9 u 193
2017-08-12 23:36:57 C 20 41 06.56 +04 30 25.2 u 193
2017-08-12 23:41:29 C 20 41 07.05 +04 30 19.8 u 193
2017-08-13 10:43:56 C 20 42 29.66 +04 19 02.6 L T05
2017-08-13 10:57:06 C 20 42 31.11 +04 18 48.7 L T05
2017-08-13 10:59:21 C 20 42 31.37 +04 18 46.0 L T05
2017-08-13 11:22:58 C 20 42 33.94 +04 18 21.6 L T05
2017-08-13 11:25:22 C 20 42 34.22 +04 18 18.7 L T05
2017-08-13 11:38:11 C 20 42 35.65 +04 18 05.3 L T05
2017-08-13 15:38:01 C 20 43 07.79 +04 13 42.4 u 193
2017-08-13 15:42:33 C 20 43 08.30 +04 13 37.7 u 193
2017-08-13 15:47:07 C 20 43 08.82 +04 13 33.0 u 193
2017-08-13 15:51:39 C 20 43 09.33 +04 13 28.4 u 193
2017-08-13 15:56:11 C 20 43 09.85 +04 13 23.7 u 193
2017-08-13 16:00:42 C 20 43 10.34 +04 13 19.0 u 193
2017-08-13 16:05:14 C 20 43 10.87 +04 13 14.3 u 193
2017-08-13 16:09:47 C 20 43 11.38 +04 13 09.6 u 193
2017-08-13 16:14:19 C 20 43 11.88 +04 13 04.9 u 193
2017-08-13 16:18:52 C 20 43 12.39 +04 13 00.2 u 193
2017-08-13 16:23:24 C 20 43 12.90 +04 12 55.5 u 193
2017-08-13 16:27:57 C 20 43 13.42 +04 12 50.7 u 193
2017-08-13 16:32:28 C 20 43 13.91 +04 12 46.1 u 193
2017-08-13 16:37:00 C 20 43 14.42 +04 12 41.4 u 193
2017-08-13 16:41:32 C 20 43 14.93 +04 12 36.7 u 193
2017-08-13 16:46:05 C 20 43 15.44 +04 12 32.0 u 193
2017-08-13 16:50:38 C 20 43 15.94 +04 12 27.2 u 193
2017-08-13 16:59:41 C 20 43 16.94 +04 12 17.9 u 193
2017-08-13 17:04:13 C 20 43 17.45 +04 12 13.2 u 193
2017-08-13 17:08:46 C 20 43 17.94 +04 12 08.6 u 193
2017-08-13 17:13:18 C 20 43 18.45 +04 12 03.8 u 193
2017-08-13 17:17:51 C 20 43 18.96 +04 11 59.1 u 193
2017-08-13 17:22:23 C 20 43 19.46 +04 11 54.4 u 193
2017-08-13 17:26:56 C 20 43 19.96 +04 11 49.7 u 193
2017-08-13 17:31:28 C 20 43 20.45 +04 11 45.0 u 193
2017-08-13 17:35:59 C 20 43 20.96 +04 11 40.3 u 193
2017-08-13 17:40:31 C 20 43 21.47 +04 11 35.6 u 193
2017-08-13 17:45:04 C 20 43 21.96 +04 11 30.8 u 193
2017-08-13 17:49:37 C 20 43 22.46 +04 11 26.2 u 193
2017-08-13 19:02:11 C 20 43 30.43 +04 10 10.8 u 193
2017-08-13 19:06:43 C 20 43 30.93 +04 10 06.1 u 193
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2017-06-03 03:53:00 187833357.48 4 us 2380 -1 -1
2017-07-08 04:16:00 133408128.35 2 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)