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
2008-10-31 07:11:02 C 03 06 33.16 +13 27 27.4 20.2 c 704
2008-11-01 05:04:16 C 03 05 17.15 +13 20 27.7 o 691
2008-11-01 05:29:43 C 03 05 15.59 +13 20 18.5 o 691
2008-11-01 05:55:10 C 03 05 14.09 +13 20 11.5 o 691
2008-11-08 04:58:13 C 02 55 41.46 +12 28 23.9 o 691
2008-11-08 05:23:36 C 02 55 40.00 +12 28 16.5 o 691
2008-11-08 05:26:00 C 02 55 39.90 +12 28 15.6 r G96
2008-11-08 05:37:56 C 02 55 39.21 +12 28 11.9 r G96
2008-11-08 05:48:58 C 02 55 38.53 +12 28 08.9 o 691
2008-11-08 05:49:44 C 02 55 38.53 +12 28 08.4 r G96
2008-11-08 06:01:35 C 02 55 37.84 +12 28 04.9 r G96
2008-11-21 04:03:03 C 02 40 04.52 +11 06 59.0 o 691
2008-11-21 04:22:04 C 02 40 03.64 +11 06 55.0 o 691
2008-11-21 04:41:06 C 02 40 02.83 +11 06 50.9 o 691
2008-11-23 03:03:02 C 02 38 05.53 +10 57 03.6 o 691
2008-11-23 03:22:04 C 02 38 04.73 +10 56 59.5 o 691
2008-11-23 03:41:06 C 02 38 03.95 +10 56 55.5 o 691
2008-11-30 01:59:39 C 02 32 01.60 +10 27 47.8 o 691
2008-11-30 02:18:37 C 02 32 00.97 +10 27 45.5 o 691
2008-11-30 02:37:36 C 02 32 00.36 +10 27 42.6 o 691
2008-12-03 01:59:19 C 02 29 54.55 +10 18 11.4 o 691
2008-12-03 02:18:53 C 02 29 54.00 +10 18 09.4 o 691
2008-12-03 02:38:18 C 02 29 53.44 +10 18 07.3 o 691
2009-12-19 11:30:22 C 08 11 20.59 +14 05 50.9 o 691
2009-12-25 06:57:59 C 08 06 28.18 +14 14 33.8 o 291
2009-12-25 07:06:01 C 08 06 27.84 +14 14 34.4 o 291
2009-12-25 07:13:57 C 08 06 27.53 +14 14 34.5 o 291
2009-12-27 09:31:58 C 08 04 31.46 +14 18 26.4 o 691
2009-12-27 10:22:57 C 08 04 29.43 +14 18 30.1 o 691
2011-01-30 14:45:00 C 15 51 16.404 -19 27 19.93 L F51
2011-01-30 14:51:44 C 15 51 17.296 -19 27 22.46 L F51
2011-01-30 14:59:37 C 15 51 18.354 -19 27 24.46 L F51
2011-01-30 15:06:21 C 15 51 19.268 -19 27 26.85 L F51
2011-09-20 10:58:14 C 02 50 01.64 +15 30 04.8 r G96
2011-09-20 11:07:27 C 02 50 01.35 +15 30 02.0 r G96
2011-09-20 11:16:40 C 02 50 01.10 +15 29 59.4 r G96
2011-09-20 11:25:52 C 02 50 00.81 +15 29 56.7 r G96
2011-09-21 02:15:03 C 02 49 36.01 +15 25 30.8 c A24
2011-09-21 02:37:49 C 02 49 35.32 +15 25 23.9 c A24
2011-09-21 03:21:47 C 02 49 33.94 +15 25 10.5 c A24
2011-09-21 03:23:51 C 02 49 33.87 +15 25 09.7 c A24
2011-09-23 01:33:27 C 02 48 09.34 +15 10 52.8 c A24
2011-09-23 01:35:30 C 02 48 09.19 +15 10 51.6 c A24
2011-09-23 02:41:15 C 02 48 06.88 +15 10 30.3 c A24
2011-09-23 02:43:19 C 02 48 06.83 +15 10 30.3 c A24
2011-09-23 11:01:04 C 02 47 50.39 +15 07 53.2 o 691
2011-09-23 11:26:41 C 02 47 49.48 +15 07 44.8 o 691
2011-09-23 11:52:16 C 02 47 48.57 +15 07 36.6 o 691
2011-09-27 07:18:44 C 02 44 27.83 +14 36 39.2 19.9 c 704
2011-09-27 07:37:10 C 02 44 27.12 +14 36 35.3 19.9 c 704
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)