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
2017-10-17 04:48:28 C 22 34 15.83 -07 33 13.2 U 703
2017-10-22 07:45:04 C 22 41 32.47 -07 22 36.9 T08
2017-10-22 07:55:24 C 22 41 33.04 -07 22 35.9 T08
2017-10-22 08:05:49 C 22 41 33.67 -07 22 34.9 T08
2017-10-22 08:16:10 C 22 41 34.24 -07 22 33.8 T08
2017-10-23 04:26:45 C 22 42 46.48 -07 20 17.0 U 703
2017-10-23 04:34:36 C 22 42 46.98 -07 20 16.2 U 703
2017-10-23 04:42:31 C 22 42 47.42 -07 20 14.9 U 703
2017-10-23 04:50:21 C 22 42 47.88 -07 20 14.1 U 703
2017-10-26 03:52:42 C 22 47 02.95 -07 10 53.1 U 703
2017-10-26 03:55:59 C 22 47 03.25 -07 10 51.9 U G96
2017-10-26 04:03:35 C 22 47 03.69 -07 10 50.7 U G96
2017-10-26 04:08:09 C 22 47 03.89 -07 10 49.6 U 703
2017-10-26 04:11:09 C 22 47 04.12 -07 10 49.6 U G96
2017-10-26 04:15:52 C 22 47 04.30 -07 10 49.5 U 703
2017-10-26 04:18:44 C 22 47 04.56 -07 10 48.5 U G96
2017-10-28 07:23:58 C 22 50 09.05 -07 02 56.5 T05
2017-10-28 07:29:29 C 22 50 09.29 -07 02 55.3 T05
2017-10-28 07:42:23 C 22 50 10.06 -07 02 53.4 T05
2017-10-28 07:47:23 C 22 50 10.35 -07 02 51.9 T05
2017-10-28 07:57:46 C 22 50 10.96 -07 02 50.3 T05
2017-10-28 08:03:11 C 22 50 11.26 -07 02 49.2 T05
2017-11-13 06:34:23 C 23 13 37.105 -05 39 38.11 L F51
2017-11-13 06:51:35 C 23 13 38.136 -05 39 33.52 L F51
2017-11-13 07:08:52 C 23 13 39.170 -05 39 28.90 L F51
2017-11-13 07:26:12 C 23 13 40.209 -05 39 24.30 L F51
2017-11-19 03:17:39 C 23 22 24.68 -05 00 15.8 U G96
2017-11-19 03:25:54 C 23 22 25.18 -05 00 13.3 U G96
2017-11-19 03:34:08 C 23 22 25.69 -05 00 10.9 U G96
2017-11-19 03:42:22 C 23 22 26.19 -05 00 08.7 U G96
2017-11-20 04:13:44 C 23 23 58.73 -04 52 51.2 U 703
2017-11-20 04:29:28 C 23 23 59.60 -04 52 48.6 U 703
2017-11-20 04:38:57 C 23 24 00.22 -04 52 45.4 U 703
2017-11-25 02:09:16 C 23 31 26.31 -04 16 28.1 U G96
2017-11-25 02:16:53 C 23 31 26.79 -04 16 25.8 U G96
2017-11-25 02:24:31 C 23 31 27.26 -04 16 23.4 U G96
2017-11-25 02:32:09 C 23 31 27.73 -04 16 20.7 U G96
2017-12-20 01:32:21 C 00 10 07.87 -00 43 47.6 U G96
2017-12-20 01:40:29 C 00 10 08.41 -00 43 44.4 U G96
2017-12-20 01:48:38 C 00 10 08.92 -00 43 41.1 U G96
2017-12-20 01:56:47 C 00 10 09.45 -00 43 37.7 U G96
2020-01-21 14:15:50 C 12 44 03.749 -07 27 31.43 U F52
2020-01-21 14:32:53 C 12 44 04.357 -07 27 35.20 U F52
2020-01-21 15:07:04 C 12 44 05.558 -07 27 43.00 U F52
2020-01-25 13:26:08 C 12 47 26.470 -07 47 32.18 U F52
2020-01-25 13:43:03 C 12 47 27.024 -07 47 35.44 U F52
2020-01-25 14:00:01 C 12 47 27.576 -07 47 38.87 U F52
2020-01-25 14:17:00 C 12 47 28.129 -07 47 42.31 U F52
2020-01-29 11:15:40 C 12 50 30.21 -08 05 11.9 V G96
2020-01-29 11:23:02 C 12 50 30.44 -08 05 13.3 V 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)