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
2014-10-23 05:30:50 C 00 40 33.15 +02 58 14.1 R G45
2014-10-23 05:37:49 C 00 40 33.04 +02 58 11.6 N I41
2014-10-23 05:52:34 C 00 40 32.50 +02 58 06.8 R G45
2014-10-23 06:17:33 C 00 40 31.87 +02 57 58.9 N I41
2014-10-23 23:42:18 C 00 40 04.28 +02 52 22.8 t 130
2014-10-23 23:44:26 C 00 40 04.21 +02 52 22.1 t 130
2014-10-23 23:46:35 C 00 40 04.16 +02 52 21.7 t 130
2014-10-23 23:48:45 C 00 40 04.11 +02 52 21.0 t 130
2014-10-24 05:30:24 C 00 39 55.73 +02 50 36.9 q 703
2014-10-24 05:37:39 C 00 39 55.50 +02 50 34.2 q 703
2014-10-24 05:44:55 C 00 39 55.34 +02 50 32.3 q 703
2014-10-24 05:52:11 C 00 39 55.11 +02 50 30.1 q 703
2014-10-24 06:05:21 C 00 39 54.81 +02 50 25.5 N I41
2014-10-24 06:44:58 C 00 39 53.71 +02 50 13.2 N I41
2014-10-24 22:42:04 C 00 39 30.13 +02 45 19.6 q 160
2014-10-24 22:45:02 C 00 39 30.05 +02 45 18.6 q 160
2014-10-24 22:47:59 C 00 39 29.96 +02 45 17.3 q 160
2014-10-25 03:21:14 C 00 39 23.69 +02 43 57.2 u H21
2014-10-25 03:26:22 C 00 39 23.57 +02 43 55.1 u H21
2014-10-25 05:42:21 C 00 39 20.28 +02 43 16.4 N I41
2014-10-25 06:22:04 C 00 39 19.24 +02 43 04.7 N I41
2014-10-25 20:54:30 C 00 38 59.21 +02 38 49.2 q 160
2014-10-25 20:57:27 C 00 38 59.14 +02 38 48.1 q 160
2014-10-25 21:00:25 C 00 38 59.01 +02 38 47.2 q 160
2014-10-26 05:40:50 C 00 38 47.43 +02 36 21.8 N I41
2014-10-26 05:54:54 C 00 38 47.02 +02 36 18.1 q G96
2014-10-26 06:03:19 C 00 38 46.81 +02 36 15.7 q G96
2014-10-26 06:11:43 C 00 38 46.61 +02 36 13.3 q G96
2014-10-26 06:20:07 C 00 38 46.39 +02 36 11.0 q G96
2014-10-26 06:20:32 C 00 38 46.43 +02 36 11.0 N I41
2014-10-27 21:14:55 C 00 37 58.22 +02 25 42.8 q 160
2014-10-27 21:17:52 C 00 37 58.14 +02 25 41.9 q 160
2014-10-27 21:20:48 C 00 37 57.97 +02 25 41.4 q 160
2014-10-30 04:46:48 C 00 36 59.68 +02 12 26.4 q 448
2014-10-30 04:57:22 C 00 36 59.48 +02 12 24.0 q 448
2014-10-30 05:08:44 C 00 36 59.27 +02 12 21.7 q 448
2014-10-30 21:32:34 C 00 36 44.29 +02 08 46.7 q 160
2014-10-30 21:35:34 C 00 36 44.26 +02 08 46.3 q 160
2014-10-30 21:38:32 C 00 36 44.25 +02 08 44.9 q 160
2014-11-19 07:33:04 C 00 36 31.675 +01 28 30.05 L F51
2014-11-19 07:50:01 C 00 36 31.858 +01 28 30.60 L F51
2014-11-19 08:06:56 C 00 36 32.007 +01 28 30.87 L F51
2014-11-25 03:43:12 C 00 38 45.06 +01 36 00.3 q 703
2014-11-25 03:53:48 C 00 38 45.19 +01 36 01.0 q 703
2014-11-25 04:04:25 C 00 38 45.46 +01 36 03.0 q 703
2014-11-25 04:15:02 C 00 38 45.57 +01 36 03.8 q 703
2014-12-20 02:39:20 C 00 56 53.67 +03 16 43.6 q G96
2014-12-20 02:46:40 C 00 56 53.94 +03 16 46.2 q G96
2014-12-20 02:54:02 C 00 56 54.27 +03 16 47.7 q G96
2014-12-20 03:01:22 C 00 56 54.54 +03 16 48.4 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)