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
2017-08-10 22:43:05 C 20 34 54.87 +05 21 59.9 u 193
2017-08-10 22:47:47 C 20 34 55.46 +05 21 54.8 u 193
2017-08-10 22:53:11 C 20 34 56.12 +05 21 49.1 u 193
2017-08-10 22:57:44 C 20 34 56.70 +05 21 44.2 u 193
2017-08-10 23:02:17 C 20 34 57.28 +05 21 39.3 u 193
2017-08-10 23:06:49 C 20 34 57.84 +05 21 34.4 u 193
2017-08-10 23:11:21 C 20 34 58.41 +05 21 29.6 u 193
2017-08-10 23:15:52 C 20 34 58.99 +05 21 24.2 u 193
2017-08-10 23:20:24 C 20 34 59.57 +05 21 19.7 u 193
2017-08-10 23:24:57 C 20 35 00.14 +05 21 15.0 u 193
2017-08-11 07:15:19 C 20 36 03.47 +05 13 01.3 U 654
2017-08-11 08:18:05 C 20 36 10.85 +05 11 54.7 U 654
2017-08-11 10:41:15 C 20 36 29.28 +05 09 34.6 L T08
2017-08-11 10:54:03 C 20 36 30.77 +05 09 21.0 L T08
2017-08-11 11:06:49 C 20 36 32.25 +05 09 07.4 L T08
2017-08-11 11:19:33 C 20 36 33.73 +05 08 53.8 L T08
2017-08-11 16:28:19 C 20 37 15.92 +05 03 13.2 u 193
2017-08-11 16:32:51 C 20 37 16.46 +05 03 08.2 u 193
2017-08-11 16:37:24 C 20 37 17.00 +05 03 03.5 u 193
2017-08-11 16:41:56 C 20 37 17.53 +05 02 58.7 u 193
2017-08-11 16:46:29 C 20 37 18.06 +05 02 54.0 u 193
2017-08-11 16:51:00 C 20 37 18.60 +05 02 49.2 u 193
2017-08-11 16:55:32 C 20 37 19.13 +05 02 44.4 u 193
2017-08-11 17:00:04 C 20 37 19.67 +05 02 39.7 u 193
2017-08-11 17:04:37 C 20 37 20.20 +05 02 35.0 u 193
2017-08-11 17:09:09 C 20 37 20.74 +05 02 30.2 u 193
2017-08-11 17:13:42 C 20 37 21.27 +05 02 25.4 u 193
2017-08-11 17:18:29 C 20 37 21.83 +05 02 20.3 u 193
2017-08-11 17:23:02 C 20 37 22.36 +05 02 15.5 u 193
2017-08-11 17:27:34 C 20 37 22.89 +05 02 10.7 u 193
2017-08-11 17:32:05 C 20 37 23.43 +05 02 06.0 u 193
2017-08-11 17:41:10 C 20 37 24.49 +05 01 56.4 u 193
2017-08-11 17:45:42 C 20 37 25.02 +05 01 51.7 u 193
2017-08-11 17:50:15 C 20 37 25.54 +05 01 46.9 u 193
2017-08-11 17:54:47 C 20 37 26.07 +05 01 42.1 u 193
2017-08-11 17:59:19 C 20 37 26.60 +05 01 37.3 u 193
2017-08-11 18:03:52 C 20 37 27.16 +05 01 32.5 u 193
2017-08-11 18:08:23 C 20 37 27.64 +05 01 27.7 u 193
2017-08-11 18:12:55 C 20 37 28.19 +05 01 23.0 u 193
2017-08-11 18:17:28 C 20 37 28.72 +05 01 18.2 u 193
2017-08-11 18:33:20 C 20 37 30.58 +05 01 01.5 u 193
2017-08-11 18:37:52 C 20 37 31.10 +05 00 56.6 u 193
2017-08-11 18:42:23 C 20 37 31.63 +05 00 51.8 u 193
2017-08-11 18:46:55 C 20 37 32.16 +05 00 47.0 u 193
2017-08-11 18:51:27 C 20 37 32.69 +05 00 42.2 u 193
2017-08-11 18:56:00 C 20 37 33.21 +05 00 37.5 u 193
2017-08-11 19:00:33 C 20 37 33.74 +05 00 32.6 u 193
2017-08-11 19:05:05 C 20 37 34.26 +05 00 27.9 u 193
2017-08-11 19:09:36 C 20 37 34.80 +05 00 23.0 u 193
2017-08-11 19:14:08 C 20 37 35.33 +05 00 18.2 u 193
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)