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
2017-09-28 20:54:13 C 22 08 31.05 -07 11 25.7 q Z38
2017-09-29 04:15:59 C 22 08 56.89 -07 12 40.9 q G96
2017-09-29 04:23:29 C 22 08 57.30 -07 12 42.3 q G96
2017-09-29 04:45:52 C 22 08 58.51 -07 12 46.1 q G96
2017-09-29 04:55:43 C 22 08 59.05 -07 12 47.7 q G96
2017-09-30 08:14:19 C 22 10 35.15 -07 17 09.7 L T05
2017-09-30 08:19:49 C 22 10 35.46 -07 17 10.6 L T05
2017-09-30 08:24:43 C 22 10 35.71 -07 17 11.3 L T05
2017-09-30 08:30:35 C 22 10 36.02 -07 17 12.2 L T05
2017-09-30 08:36:30 C 22 10 36.35 -07 17 13.2 L T05
2017-09-30 08:42:46 C 22 10 36.67 -07 17 14.1 L T05
2017-09-30 08:47:41 C 22 10 36.94 -07 17 14.8 L T05
2017-09-30 08:53:13 C 22 10 37.24 -07 17 15.7 L T05
2017-10-03 21:45:26 C 22 15 35.70 -07 28 01.3 q Z38
2017-10-03 23:17:19 C 22 15 40.83 -07 28 09.8 q Z38
2017-10-06 09:43:39 C 22 19 05.46 -07 32 58.9 L T08
2017-10-06 09:56:13 C 22 19 06.07 -07 33 00.4 L T08
2017-10-06 10:08:05 C 22 19 06.78 -07 33 00.5 L T08
2017-10-06 10:20:22 C 22 19 07.42 -07 33 02.0 L T08
2017-10-07 08:04:54 C 22 20 24.17 -07 34 20.2 L T08
2017-10-07 08:14:47 C 22 20 24.72 -07 34 20.5 L T08
2017-10-07 08:23:47 C 22 20 25.22 -07 34 21.4 L T08
2017-10-07 08:33:40 C 22 20 25.72 -07 34 22.2 L T08
2017-10-10 08:06:24 C 22 24 36.551 -07 36 54.02 L F51
2017-10-10 08:07:35 C 22 24 36.60 -07 36 53.4 L T08
2017-10-10 08:17:58 C 22 24 37.17 -07 36 54.3 L T08
2017-10-10 08:22:24 C 22 24 37.419 -07 36 54.24 L F51
2017-10-10 08:28:20 C 22 24 37.73 -07 36 53.9 L T08
2017-10-10 08:33:11 C 22 24 38.00 -07 36 54.4 L T08
2017-10-10 08:38:46 C 22 24 38.30 -07 36 54.5 L T08
2017-10-10 08:54:19 C 22 24 39.161 -07 36 54.69 L F51
2017-10-11 03:57:10 C 22 25 46.39 -07 37 10.6 U 703
2017-10-11 04:04:54 C 22 25 46.78 -07 37 10.6 U 703
2017-10-11 04:12:40 C 22 25 47.24 -07 37 10.7 U 703
2017-10-11 04:20:24 C 22 25 47.67 -07 37 10.9 U 703
2017-10-11 08:00:36 C 22 26 00.38 -07 37 09.3 L T08
2017-10-11 08:11:02 C 22 26 00.91 -07 37 09.4 L T08
2017-10-11 08:21:29 C 22 26 01.50 -07 37 09.4 L T08
2017-10-11 08:32:02 C 22 26 02.08 -07 37 09.5 L T08
2017-10-14 04:42:31 C 22 30 01.70 -07 36 24.4 U 703
2017-10-14 04:49:39 C 22 30 02.08 -07 36 24.1 U 703
2017-10-14 04:56:47 C 22 30 02.49 -07 36 23.8 U 703
2017-10-14 05:03:55 C 22 30 02.89 -07 36 23.7 U 703
2017-10-15 21:43:57 C 22 32 25.95 -07 34 54.1 q 046
2017-10-15 21:44:43 C 22 32 26.06 -07 34 54.0 q 046
2017-10-15 21:45:34 C 22 32 26.02 -07 34 53.9 q 046
2017-10-15 21:47:29 C 22 32 26.23 -07 34 54.3 q 046
2017-10-17 04:24:43 C 22 34 14.51 -07 33 14.6 U 703
2017-10-17 04:32:35 C 22 34 14.94 -07 33 13.8 U 703
2017-10-17 04:40:39 C 22 34 15.38 -07 33 13.7 U 703
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)