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
2017-08-16 20:17:07 C 20 51 58.39 +02 55 03.3 q C23
2017-08-16 20:21:25 C 20 51 58.84 +02 54 58.9 q C23
2017-08-16 21:05:54 C 20 52 03.36 +02 54 18.3 q 160
2017-08-16 21:07:57 C 20 52 03.57 +02 54 16.3 q 160
2017-08-16 21:10:00 C 20 52 03.78 +02 54 14.1 q 160
2017-08-17 10:39:52 C 20 53 30.96 +02 40 58.2 L T05
2017-08-17 10:54:15 C 20 53 32.37 +02 40 43.8 L T05
2017-08-17 11:08:00 C 20 53 33.70 +02 40 30.0 L T05
2017-08-17 11:22:46 C 20 53 35.15 +02 40 15.2 L T05
2017-08-17 21:35:13 C 20 54 42.86 +02 29 51.6 q 160
2017-08-17 21:37:17 C 20 54 43.07 +02 29 49.6 q 160
2017-08-17 21:39:23 C 20 54 43.27 +02 29 47.6 q 160
2017-08-18 20:01:07 C 20 57 06.35 +02 07 48.9 S K14
2017-08-18 20:10:49 C 20 57 07.30 +02 07 39.4 S K14
2017-08-18 20:20:12 C 20 57 08.22 +02 07 30.3 S K14
2017-08-18 20:28:11 C 20 57 08.97 +02 07 22.7 S K14
2017-08-18 20:35:55 C 20 57 09.74 +02 07 15.0 S K14
2017-08-18 20:43:54 C 20 57 10.52 +02 07 07.3 S K14
2017-08-18 20:55:10 C 20 57 11.60 +02 06 51.5 14.8 q Z43
2017-08-18 21:04:55 C 20 57 12.23 +02 06 44.5 q 160
2017-08-18 21:06:58 C 20 57 12.41 +02 06 42.6 q 160
2017-08-18 21:09:04 C 20 57 12.62 +02 06 40.5 q 160
2017-08-18 21:31:18 C 20 57 15.12 +02 06 15.8 15.2 q Z43
2017-08-18 22:08:23 C 20 57 18.68 +02 05 40.0 14.5 q Z43
2017-08-20 22:53:36 C 21 02 14.73 +01 18 55.0 q 160
2017-08-20 22:55:21 C 21 02 14.89 +01 18 53.8 q 160
2017-08-20 22:57:00 C 21 02 15.04 +01 18 52.0 q 160
2017-08-21 19:47:29 C 21 04 18.66 +00 59 22.2 u 108
2017-08-21 19:50:05 C 21 04 18.90 +00 59 19.6 u 108
2017-08-21 19:51:22 C 21 04 19.03 +00 59 19.0 u 108
2017-08-21 19:52:39 C 21 04 19.13 +00 59 17.6 u 108
2017-08-21 19:53:55 C 21 04 19.26 +00 59 16.4 u 108
2017-08-21 19:55:12 C 21 04 19.37 +00 59 15.1 u 108
2017-08-21 21:44:35 C 21 04 29.47 +00 57 32.1 14.0 q Z43
2017-08-21 22:16:59 C 21 04 32.36 +00 57 01.6 14.8 q Z43
2017-08-21 23:40:38 C 21 04 39.79 +00 55 48.5 q J27
2017-08-21 23:51:22 C 21 04 40.73 +00 55 38.5 q J27
2017-08-21 23:57:56 C 21 04 41.30 +00 55 32.4 q J27
2017-08-22 20:41:38 C 21 06 41.01 +00 36 28.5 14.8 q Z43
2017-08-22 21:09:58 C 21 06 43.17 +00 36 05.1 q 160
2017-08-22 21:12:04 C 21 06 43.36 +00 36 03.0 q 160
2017-08-22 21:14:11 C 21 06 43.55 +00 36 01.2 q 160
2017-08-22 21:56:55 C 21 06 47.62 +00 35 20.1 14.9 q Z43
2017-08-22 22:29:46 C 21 06 50.46 +00 34 50.4 14.8 q Z43
2017-08-24 09:59:37 C 21 10 06.256 +00 03 23.74 L F51
2017-08-24 10:34:14 C 21 10 09.080 +00 02 53.15 L F51
2017-08-24 10:51:32 C 21 10 10.482 +00 02 37.96 L F51
2017-08-26 16:47:47 C 21 14 58.04 -00 43 32.2 q C97
2017-08-26 16:49:43 C 21 14 58.20 -00 43 33.8 q C97
2017-08-26 16:52:29 C 21 14 58.48 -00 43 36.5 q C97
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)