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
2017-05-08 07:46:15 C 15 41 03.60 -08 27 25.4 u H21
2017-05-08 07:48:17 C 15 41 03.63 -08 27 23.6 u H21
2017-05-08 07:50:20 C 15 41 03.69 -08 27 22.2 u H21
2017-05-08 07:52:23 C 15 41 03.73 -08 27 20.2 u H21
2017-05-08 07:54:26 C 15 41 03.79 -08 27 18.6 u H21
2017-05-08 07:56:53 C 15 41 03.84 -08 27 16.6 u H21
2017-05-09 22:55:39 C 15 42 17.51 -07 54 28.4 q Z80
2017-05-09 22:57:26 C 15 42 17.58 -07 54 26.9 q Z80
2017-05-09 22:59:13 C 15 42 17.63 -07 54 25.4 q Z80
2017-05-13 05:46:27 C 15 44 49.31 -06 44 04.6 u H21
2017-05-13 05:48:25 C 15 44 49.34 -06 44 03.0 u H21
2017-05-13 05:50:23 C 15 44 49.39 -06 44 01.3 u H21
2017-05-13 05:52:20 C 15 44 49.45 -06 43 59.4 u H21
2017-05-13 05:54:18 C 15 44 49.50 -06 43 57.5 u H21
2017-05-13 05:56:15 C 15 44 49.55 -06 43 55.7 u H21
2017-05-13 05:58:13 C 15 44 49.60 -06 43 53.9 u H21
2017-05-13 06:00:11 C 15 44 49.66 -06 43 52.3 u H21
2017-05-13 06:02:08 C 15 44 49.71 -06 43 50.3 u H21
2017-05-13 06:04:06 C 15 44 49.75 -06 43 48.5 u H21
2017-05-13 06:06:04 C 15 44 49.81 -06 43 46.6 u H21
2017-05-13 06:08:00 C 15 44 49.87 -06 43 44.8 u H21
2017-05-13 06:09:57 C 15 44 49.90 -06 43 43.2 u H21
2017-05-13 06:11:55 C 15 44 49.97 -06 43 41.1 u H21
2017-05-13 06:13:52 C 15 44 50.02 -06 43 39.5 u H21
2017-05-13 06:15:37 C 15 44 50.04 -06 43 37.8 u H21
2017-05-13 06:17:22 C 15 44 50.10 -06 43 36.3 u H21
2017-05-13 12:32:59 C 15 45 01.60 -06 37 38.7 L T08
2017-05-13 12:51:58 C 15 45 02.08 -06 37 20.9 L T08
2017-05-13 13:11:42 C 15 45 02.60 -06 37 02.4 L T08
2017-05-13 13:35:28 C 15 45 03.22 -06 36 39.9 L T08
2017-05-13 17:16:44 C 15 45 11.61 -06 33 20.7 q D29
2017-05-13 17:56:08 C 15 45 12.64 -06 32 43.9 q D29
2017-05-13 18:35:33 C 15 45 13.65 -06 32 06.6 q D29
2017-05-14 22:50:45 C 15 46 12.47 -06 05 30.5 q Z80
2017-05-14 22:52:31 C 15 46 12.57 -06 05 29.0 q Z80
2017-05-14 22:54:18 C 15 46 12.68 -06 05 28.0 q Z80
2017-05-14 22:56:04 C 15 46 12.66 -06 05 26.1 q Z80
2017-05-14 22:57:50 C 15 46 12.72 -06 05 24.2 q Z80
2017-05-14 22:59:34 C 15 46 12.79 -06 05 22.5 q Z80
2017-05-15 08:32:09 C 15 46 31.57 -05 56 05.0 q G96
2017-05-15 08:38:14 C 15 46 31.72 -05 55 59.4 q G96
2017-05-15 08:44:19 C 15 46 31.87 -05 55 53.5 q G96
2017-05-15 08:50:24 C 15 46 32.03 -05 55 47.6 q G96
2017-05-15 10:08:44 C 15 46 34.17 -05 54 32.2 q G96
2017-05-15 10:14:59 C 15 46 34.35 -05 54 25.5 q G96
2017-05-15 10:17:55 C 15 46 34.43 -05 54 22.6 q G96
2017-05-15 10:22:10 C 15 46 34.55 -05 54 18.4 q G96
2017-05-15 23:38:53 C 15 47 03.49 -05 41 30.9 q 160
2017-05-15 23:40:55 C 15 47 03.59 -05 41 28.8 q 160
2017-05-15 23:42:50 C 15 47 03.64 -05 41 26.5 q 160
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)