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
2017-08-07 09:37:03 C 20 23 15.65 +06 52 48.2 U 654
2017-08-08 07:19:00 C 20 26 22.19 +06 29 38.5 U 654
2017-08-08 07:38:34 C 20 26 24.70 +06 29 17.6 U 654
2017-08-08 07:56:59 C 20 26 27.06 +06 28 57.9 U 654
2017-08-08 08:16:14 C 20 26 29.53 +06 28 37.3 U 654
2017-08-08 08:40:50 C 20 26 32.69 +06 28 10.8 U 654
2017-08-08 09:05:28 C 20 26 35.88 +06 27 44.2 U 654
2017-08-08 09:29:35 C 20 26 39.00 +06 27 18.2 U 654
2017-08-09 03:49:47 C 20 29 13.89 +06 07 40.3 u H21
2017-08-09 03:52:33 C 20 29 14.24 +06 07 37.4 u H21
2017-08-09 03:55:04 C 20 29 14.56 +06 07 34.7 u H21
2017-08-09 03:57:35 C 20 29 14.88 +06 07 32.1 u H21
2017-08-09 04:00:06 C 20 29 15.20 +06 07 29.4 u H21
2017-08-09 04:02:38 C 20 29 15.51 +06 07 26.6 u H21
2017-08-09 04:05:09 C 20 29 15.83 +06 07 24.0 u H21
2017-08-09 04:07:40 C 20 29 16.15 +06 07 21.4 u H21
2017-08-09 04:10:11 C 20 29 16.47 +06 07 18.7 u H21
2017-08-09 04:12:42 C 20 29 16.79 +06 07 16.0 u H21
2017-08-09 04:15:13 C 20 29 17.10 +06 07 13.3 u H21
2017-08-09 04:17:44 C 20 29 17.42 +06 07 10.6 u H21
2017-08-09 04:20:15 C 20 29 17.74 +06 07 07.9 u H21
2017-08-09 04:22:46 C 20 29 18.05 +06 07 05.3 u H21
2017-08-09 04:25:17 C 20 29 18.37 +06 07 02.6 u H21
2017-08-09 04:27:17 C 20 29 18.62 +06 07 00.5 u H21
2017-08-09 11:18:44 C 20 30 13.01 +05 59 55.6 L T05
2017-08-09 11:31:34 C 20 30 14.60 +05 59 41.8 L T05
2017-08-09 11:44:15 C 20 30 16.17 +05 59 28.2 L T05
2017-08-09 11:57:07 C 20 30 17.77 +05 59 14.4 L T05
2017-08-10 02:45:01 C 20 32 20.52 +05 43 13.5 u H21
2017-08-10 02:47:32 C 20 32 20.84 +05 43 10.8 u H21
2017-08-10 02:50:03 C 20 32 21.15 +05 43 08.2 u H21
2017-08-10 02:52:34 C 20 32 21.47 +05 43 05.6 u H21
2017-08-10 02:55:05 C 20 32 21.78 +05 43 02.9 u H21
2017-08-10 02:57:37 C 20 32 22.09 +05 43 00.2 u H21
2017-08-10 03:00:07 C 20 32 22.40 +05 42 57.5 u H21
2017-08-10 03:02:39 C 20 32 22.71 +05 42 54.9 u H21
2017-08-10 03:05:10 C 20 32 23.03 +05 42 52.3 u H21
2017-08-10 03:07:41 C 20 32 23.34 +05 42 49.6 u H21
2017-08-10 03:10:12 C 20 32 23.65 +05 42 46.9 u H21
2017-08-10 03:12:43 C 20 32 23.96 +05 42 44.2 u H21
2017-08-10 03:15:14 C 20 32 24.28 +05 42 41.6 u H21
2017-08-10 03:17:45 C 20 32 24.58 +05 42 38.9 u H21
2017-08-10 03:20:16 C 20 32 24.89 +05 42 36.2 u H21
2017-08-10 03:22:47 C 20 32 25.21 +05 42 33.5 u H21
2017-08-10 03:25:34 C 20 32 25.55 +05 42 30.7 u H21
2017-08-10 22:17:47 C 20 34 51.72 +05 22 27.1 u 193
2017-08-10 22:23:15 C 20 34 52.39 +05 22 21.2 u 193
2017-08-10 22:27:47 C 20 34 52.97 +05 22 16.4 u 193
2017-08-10 22:33:00 C 20 34 53.63 +05 22 10.9 u 193
2017-08-10 22:38:32 C 20 34 54.25 +05 22 04.8 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)