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
2005-11-25 06:29:00 C 03 23 35.47 +13 37 07.0 d 291
2005-11-25 07:32:03 C 03 23 32.23 +13 36 54.4 d 291
2005-11-25 08:37:56 C 03 23 28.84 +13 36 41.3 d 291
2005-12-10 02:01:01 C 03 08 35.25 +12 40 34.4 d 291
2005-12-10 02:08:53 C 03 08 34.99 +12 40 32.9 d 291
2005-12-10 02:16:51 C 03 08 34.70 +12 40 32.2 d 291
2005-12-10 03:57:42 C 03 08 31.20 +12 40 20.3 r 715
2005-12-10 04:09:10 C 03 08 30.87 +12 40 19.1 r 715
2005-12-10 04:20:38 C 03 08 30.45 +12 40 17.8 r 715
2005-12-24 04:37:43 C 03 00 30.86 +12 18 03.4 d 291
2005-12-24 04:48:08 C 03 00 30.70 +12 18 03.1 d 291
2005-12-24 04:58:32 C 03 00 30.52 +12 18 02.8 d 291
2006-01-21 03:47:00 C 03 02 08.45 +12 55 17.7 d 291
2006-01-21 03:54:59 C 03 02 08.60 +12 55 19.0 d 291
2006-01-21 04:03:19 C 03 02 08.71 +12 55 18.8 d 291
2006-12-21 11:39:25 C 08 31 30.76 +13 02 40.7 d 291
2006-12-21 11:47:21 C 08 31 30.56 +13 02 41.2 d 291
2007-02-11 02:42:20 C 07 38 32.82 +15 42 53.1 21.9 o H55
2007-02-11 02:55:13 C 07 38 32.23 +15 42 55.8 21.9 o H55
2007-02-11 03:07:39 C 07 38 31.79 +15 42 57.4 21.9 o H55
2008-04-23 14:39:55 C 22 42 09.10 -04 35 36.5 r F85
2008-04-23 14:59:55 C 22 42 11.99 -04 35 18.1 r F85
2008-04-23 15:22:08 C 22 42 15.30 -04 34 58.2 r F85
2008-08-16 09:31:05 C 03 26 10.65 +18 26 43.0 o H55
2008-08-16 09:37:16 C 03 26 10.93 +18 26 43.5 o H55
2008-08-16 09:43:29 C 03 26 11.24 +18 26 43.8 o H55
2008-09-07 09:32:51 C 03 43 43.46 +18 24 35.7 r G96
2008-09-07 09:56:43 C 03 43 43.78 +18 24 33.7 r G96
2008-09-07 10:08:43 C 03 43 43.96 +18 24 32.9 r G96
2008-09-22 10:35:49 C 03 44 36.45 +17 40 10.5 r G96
2008-09-22 10:47:51 C 03 44 36.31 +17 40 08.5 r G96
2008-09-22 10:59:53 C 03 44 36.16 +17 40 06.6 r G96
2008-09-22 11:11:56 C 03 44 36.02 +17 40 04.4 r G96
2008-10-20 06:03:20 C 03 21 31.98 +14 52 34.6 o 691
2008-10-20 06:28:43 C 03 21 30.55 +14 52 26.7 o 691
2008-10-20 06:54:07 C 03 21 29.14 +14 52 18.9 o 691
2008-10-25 23:41:36 C 03 13 54.78 +14 08 36.4 r B67
2008-10-25 23:50:19 C 03 13 54.25 +14 08 33.2 r B67
2008-10-25 23:59:01 C 03 13 53.74 +14 08 30.7 r B67
2008-10-26 07:19:52 C 03 13 28.70 +14 06 11.0 19.4 c 704
2008-10-26 07:36:37 C 03 13 27.64 +14 06 05.1 20.0 c 704
2008-10-26 07:53:16 C 03 13 26.64 +14 06 00.9 19.6 c 704
2008-10-26 08:26:27 C 03 13 24.77 +14 05 49.6 19.9 c 704
2008-10-28 05:14:49 C 03 10 50.61 +13 51 18.5 o 691
2008-10-28 05:40:18 C 03 10 49.09 +13 51 10.2 o 691
2008-10-28 06:05:48 C 03 10 47.59 +13 51 02.2 o 691
2008-10-31 06:03:04 C 03 06 37.37 +13 27 50.7 19.8 c 704
2008-10-31 06:19:48 C 03 06 36.26 +13 27 43.9 19.9 c 704
2008-10-31 06:36:43 C 03 06 35.20 +13 27 38.6 20.0 c 704
2008-10-31 06:53:47 C 03 06 34.23 +13 27 33.1 20.2 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)