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
2011-09-27 07:55:33 C 02 44 26.34 +14 36 29.3 20.0 c 704
2011-09-27 08:13:53 C 02 44 25.50 +14 36 22.0 20.0 c 704
2011-09-27 08:32:09 C 02 44 24.78 +14 36 16.4 20.1 c 704
2011-10-02 07:13:55 C 02 39 11.99 +13 52 04.4 19.0 c 704
2011-10-02 07:32:39 C 02 39 11.03 +13 51 57.1 19.2 c 704
2011-10-02 07:51:23 C 02 39 10.09 +13 51 49.4 19.2 c 704
2011-10-02 08:10:04 C 02 39 09.17 +13 51 42.7 19.1 c 704
2011-10-02 08:28:47 C 02 39 08.24 +13 51 34.6 19.3 c 704
2011-10-02 23:54:11 C 02 38 23.90 +13 45 31.0 c A24
2011-10-02 23:56:16 C 02 38 23.73 +13 45 30.9 c A24
2011-10-03 22:30:29 C 02 37 17.51 +13 36 33.8 c A24
2011-10-03 22:32:37 C 02 37 17.46 +13 36 33.4 c A24
2011-10-03 23:00:57 C 02 37 15.98 +13 36 21.9 c A24
2011-10-03 23:29:49 C 02 37 14.48 +13 36 10.2 c A24
2011-10-03 23:58:09 C 02 37 12.98 +13 35 58.7 c A24
2011-10-04 00:00:13 C 02 37 12.89 +13 35 59.0 c A24
2011-10-20 09:43:55 C 02 15 14.43 +10 49 36.2 19.2 c 704
2011-10-20 10:01:11 C 02 15 13.42 +10 49 28.0 19.1 c 704
2011-10-20 10:18:00 C 02 15 12.39 +10 49 21.8 19.1 c 704
2011-10-22 06:09:00 C 02 12 40.86 +10 30 54.4 r G96
2011-10-22 06:20:46 C 02 12 40.17 +10 30 49.7 r G96
2011-10-22 06:32:30 C 02 12 39.49 +10 30 44.8 r G96
2011-10-22 06:44:16 C 02 12 38.77 +10 30 39.7 r G96
2011-10-31 04:59:24 C 02 00 54.32 +09 06 33.7 r G96
2011-10-31 05:09:17 C 02 00 53.78 +09 06 29.9 r G96
2011-10-31 05:19:18 C 02 00 53.28 +09 06 26.4 r G96
2011-10-31 05:29:16 C 02 00 52.74 +09 06 22.8 r G96
2011-11-16 05:14:26 C 01 45 09.07 +07 16 56.6 r 703
2011-11-16 05:21:44 C 01 45 08.82 +07 16 56.2 r 703
2011-11-16 05:29:04 C 01 45 08.60 +07 16 56.0 r 703
2011-11-16 05:36:25 C 01 45 08.31 +07 16 54.1 r 703
2011-11-18 06:33:50 C 01 43 45.46 +07 07 33.9 19.1 c 704
2011-11-18 06:53:03 C 01 43 44.99 +07 07 30.3 19.1 c 704
2011-11-18 07:29:50 C 01 43 43.92 +07 07 22.6 19.1 c 704
2011-11-18 07:48:10 C 01 43 43.51 +07 07 18.8 19.3 c 704
2011-11-23 02:54:56 C 01 41 05.85 +06 49 44.0 r 703
2011-11-23 03:08:03 C 01 41 05.53 +06 49 43.4 r 703
2011-11-23 03:21:25 C 01 41 05.17 +06 49 39.2 r 703
2011-11-23 03:34:31 C 01 41 04.95 +06 49 39.2 r 703
2014-02-04 08:51:09 C 14 56 58.18 -17 02 22.5 u 807
2014-02-04 09:00:19 C 14 56 59.10 -17 02 25.8 u 807
2014-02-04 09:09:24 C 14 57 00.04 -17 02 28.7 u 807
2014-05-21 16:39:12 S 21 42 35.01 -03 30 10.2 L C51
2014-05-21 22:58:13 S 21 43 46.55 -03 22 55.6 L C51
2014-05-22 05:17:13 S 21 44 57.92 -03 15 40.7 L C51
2014-05-22 08:26:50 S 21 45 33.57 -03 12 04.0 L C51
2014-05-22 11:36:15 S 21 46 09.21 -03 08 27.4 L C51
2014-05-22 14:45:50 S 21 46 44.79 -03 04 50.5 L C51
2014-05-22 17:55:15 S 21 47 20.35 -03 01 14.0 L C51
2014-05-30 10:35:09 C 22 20 59.58 +00 25 54.0 q G96
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)