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
2017-08-01 03:56:51 C 19 59 57.20 +09 29 26.6 q W19
2017-08-01 03:57:55 C 19 59 57.37 +09 29 25.8 q W19
2017-08-01 03:59:39 C 19 59 57.64 +09 29 23.9 q W19
2017-08-01 04:00:48 C 19 59 57.82 +09 29 22.9 q W19
2017-08-01 04:01:52 C 19 59 57.98 +09 29 21.7 q W19
2017-08-01 04:03:36 C 19 59 58.25 +09 29 19.9 q W19
2017-08-03 00:00:15 C 20 07 11.31 +08 44 19.8 q J27
2017-08-03 00:04:14 C 20 07 11.91 +08 44 15.6 q J27
2017-08-03 00:08:34 C 20 07 12.55 +08 44 11.1 q J27
2017-08-04 10:35:24 C 20 12 39.18 +08 08 26.7 L T05
2017-08-04 10:49:52 C 20 12 41.22 +08 08 11.5 L T05
2017-08-04 11:03:29 C 20 12 43.14 +08 07 56.9 L T05
2017-08-04 11:17:57 C 20 12 45.20 +08 07 41.6 L T05
2017-08-05 04:01:36 C 20 15 21.78 +07 49 45.5 u H21
2017-08-05 04:03:33 C 20 15 22.05 +07 49 43.5 u H21
2017-08-05 04:05:31 C 20 15 22.33 +07 49 41.3 u H21
2017-08-05 04:07:28 C 20 15 22.61 +07 49 39.3 u H21
2017-08-05 04:09:26 C 20 15 22.87 +07 49 37.3 u H21
2017-08-05 04:11:24 C 20 15 23.15 +07 49 35.3 u H21
2017-08-05 04:13:21 C 20 15 23.43 +07 49 33.1 u H21
2017-08-05 04:15:19 C 20 15 23.71 +07 49 31.1 u H21
2017-08-05 04:17:17 C 20 15 23.98 +07 49 29.2 u H21
2017-08-05 04:19:14 C 20 15 24.25 +07 49 27.0 u H21
2017-08-05 04:21:12 C 20 15 24.53 +07 49 24.9 u H21
2017-08-05 04:23:09 C 20 15 24.80 +07 49 22.9 u H21
2017-08-05 04:25:07 C 20 15 25.08 +07 49 20.7 u H21
2017-08-05 04:27:05 C 20 15 25.36 +07 49 18.8 u H21
2017-08-05 04:30:48 C 20 15 25.88 +07 49 14.8 u H21
2017-08-05 22:00:54 n 20 18 04.89 +07 30 34.6 14.1 q Z43
2017-08-05 22:31:05 n 20 18 09.12 +07 30 02.5 15.0 q Z43
2017-08-05 22:40:09 C 20 18 10.27 +07 29 51.1 U Z80
2017-08-05 22:41:12 C 20 18 10.42 +07 29 49.9 U Z80
2017-08-05 22:42:15 C 20 18 10.55 +07 29 48.8 U Z80
2017-08-05 22:43:17 C 20 18 10.70 +07 29 47.6 U Z80
2017-08-05 22:44:20 C 20 18 10.84 +07 29 46.5 U Z80
2017-08-05 22:45:12 C 20 18 10.98 +07 29 45.9 U Z80
2017-08-05 22:45:54 C 20 18 11.07 +07 29 44.9 U Z80
2017-08-05 22:46:36 C 20 18 11.18 +07 29 44.4 U Z80
2017-08-05 23:01:17 n 20 18 13.35 +07 29 30.6 15.1 q Z43
2017-08-06 00:16:17 C 20 18 23.50 +07 28 09.2 q C23
2017-08-06 00:20:44 C 20 18 24.12 +07 28 04.4 q C23
2017-08-06 00:23:36 C 20 18 24.53 +07 28 01.4 q C23
2017-08-06 00:26:30 C 20 18 24.93 +07 27 58.2 q C23
2017-08-06 21:24:44 n 20 21 32.52 +07 05 39.6 14.5 q Z43
2017-08-06 22:00:02 n 20 21 37.35 +07 05 02.4 14.9 q Z43
2017-08-07 07:35:36 C 20 22 59.55 +06 54 58.8 U 654
2017-08-07 08:02:52 C 20 23 03.15 +06 54 29.6 U 654
2017-08-07 08:22:58 C 20 23 05.80 +06 54 08.1 U 654
2017-08-07 08:44:00 C 20 23 08.59 +06 53 45.4 U 654
2017-08-07 09:10:38 C 20 23 12.12 +06 53 16.7 U 654
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)