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
2020-04-23 22:46:23 C 12 13 27.60 +00 25 25.5 q 160
2020-04-23 22:49:09 C 12 13 27.47 +00 25 26.7 q 160
2020-04-24 06:15:46 C 12 13 07.71 +00 29 37.1 V 703
2020-04-24 06:23:18 C 12 13 07.31 +00 29 41.7 V 703
2020-04-24 06:30:51 C 12 13 06.96 +00 29 45.6 V 703
2020-04-24 06:38:24 C 12 13 06.62 +00 29 50.1 V 703
2020-04-25 06:50:18 C 12 12 03.31 +00 43 09.6 V G96
2020-04-25 06:57:40 C 12 12 02.96 +00 43 13.6 V G96
2020-04-25 07:05:02 C 12 12 02.62 +00 43 17.6 V G96
2020-04-25 07:12:24 C 12 12 02.28 +00 43 21.7 V G96
2020-04-27 06:43:18 C 12 10 04.27 +01 08 51.7 V 703
2020-04-27 06:50:55 C 12 10 03.93 +01 08 55.9 V 703
2020-04-27 06:58:32 C 12 10 03.61 +01 08 59.8 V 703
2020-04-27 07:06:08 C 12 10 03.31 +01 09 04.3 V 703
2020-04-27 08:21:25 C 12 10 00.660 +01 09 46.44 U F52
2020-04-27 08:40:20 C 12 09 59.827 +01 09 56.41 U F52
2020-04-27 08:59:10 C 12 09 59.003 +01 10 06.30 U F52
2020-04-27 09:09:20 C 12 09 58.54 +01 10 11.6 V T05
2020-04-27 09:14:38 C 12 09 58.33 +01 10 14.0 V T05
2020-04-27 09:17:59 C 12 09 58.182 +01 10 16.20 U F52
2020-04-27 09:22:37 C 12 09 57.97 +01 10 18.7 V T05
2020-04-27 09:39:09 C 12 09 57.26 +01 10 27.4 V T05
2020-04-28 08:24:55 C 12 09 04.29 +01 22 18.5 V T05
2020-04-28 08:53:56 C 12 09 03.08 +01 22 33.4 V T05
2020-04-28 08:58:02 C 12 09 02.91 +01 22 35.7 V T05
2020-04-28 09:05:12 C 12 09 02.61 +01 22 39.3 V T05
2020-04-29 04:51:15 C 12 08 18.49 +01 32 41.7 U I41
2020-04-29 04:52:35 C 12 08 18.43 +01 32 42.3 U I41
2020-04-29 04:53:56 C 12 08 18.39 +01 32 43.1 U I41
2020-04-29 06:34:55 C 12 08 14.31 +01 33 34.0 U I41
2020-04-29 09:02:54 C 12 08 08.89 +01 34 51.9 V T08
2020-04-29 09:08:12 C 12 08 08.68 +01 34 54.7 V T08
2020-04-29 09:18:18 C 12 08 08.27 +01 34 59.7 V T08
2020-04-29 09:42:54 C 12 08 07.28 +01 35 12.0 V T08
2020-04-30 05:44:07 C 12 07 24.63 +01 45 07.3 V 703
2020-04-30 05:51:40 C 12 07 24.33 +01 45 11.5 V 703
2020-04-30 05:59:13 C 12 07 24.01 +01 45 14.7 V 703
2020-04-30 06:06:47 C 12 07 23.71 +01 45 18.4 V 703
2020-04-30 08:10:38 C 12 07 19.62 +01 46 22.3 V T05
2020-04-30 08:15:15 C 12 07 19.44 +01 46 24.7 V T05
2020-04-30 08:39:31 C 12 07 18.48 +01 46 36.6 V T05
2020-05-01 09:40:51 C 12 06 27.39 +01 58 44.9 V T05
2020-05-01 09:45:30 C 12 06 27.23 +01 58 47.0 V T05
2020-05-01 10:12:15 C 12 06 26.28 +01 59 00.0 V T05
2020-05-01 10:36:28 C 12 06 25.39 +01 59 12.2 V T05
2020-05-09 10:42:38 C 12 01 36.84 +03 20 17.2 V T05
2020-05-09 10:47:17 C 12 01 36.75 +03 20 19.2 V T05
2020-05-09 10:55:54 C 12 01 36.60 +03 20 22.7 V T05
2020-05-09 11:11:17 C 12 01 36.31 +03 20 28.4 V T05
2020-05-09 20:01:31 C 12 01 28.27 +03 23 52.3 U K92
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)