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
2017-03-23 14:42:15 C 15 00 08.947 -15 46 51.93 L F51
2017-03-23 15:00:38 C 15 00 09.787 -15 46 50.86 L F51
2017-03-24 09:43:27 C 15 01 05.06 -15 45 46.4 q 703
2017-03-24 09:51:05 C 15 01 05.41 -15 45 46.6 q 703
2017-03-24 09:58:44 C 15 01 05.80 -15 45 45.6 q 703
2017-03-24 10:06:21 C 15 01 06.12 -15 45 44.4 q 703
2017-03-25 10:14:57 C 15 02 16.10 -15 44 04.9 q G96
2017-03-25 10:16:58 C 15 02 16.17 -15 44 04.6 q G96
2017-03-25 10:21:06 C 15 02 16.28 -15 44 04.2 q G96
2017-03-25 10:23:09 C 15 02 16.45 -15 44 04.3 q G96
2017-03-25 10:27:17 C 15 02 16.64 -15 44 03.6 q G96
2017-03-25 10:29:18 C 15 02 16.73 -15 44 03.6 q G96
2017-03-25 10:33:25 C 15 02 16.90 -15 44 03.2 q G96
2017-03-25 10:35:27 C 15 02 17.01 -15 44 03.1 q G96
2017-03-26 10:37:44 C 15 03 25.90 -15 42 05.4 q 703
2017-03-26 10:45:07 C 15 03 26.21 -15 42 05.2 q 703
2017-03-26 10:52:28 C 15 03 26.60 -15 42 04.5 q 703
2017-03-26 10:59:50 C 15 03 26.86 -15 42 04.0 q 703
2017-03-27 11:16:02 C 15 04 35.59 -15 39 47.3 o 691
2017-03-27 11:28:31 C 15 04 36.13 -15 39 46.1 o 691
2017-03-27 11:40:59 C 15 04 36.68 -15 39 44.8 o 691
2017-03-27 13:58:23 C 15 04 43.26 -15 39 28.7 L T05
2017-03-27 14:21:29 C 15 04 44.20 -15 39 27.6 L T05
2017-03-27 14:43:41 C 15 04 45.18 -15 39 23.7 L T05
2017-03-27 15:06:35 C 15 04 46.19 -15 39 21.7 L T05
2017-03-29 08:33:46 C 15 06 42.25 -15 34 45.0 q 703
2017-03-29 08:40:46 C 15 06 42.57 -15 34 44.4 q 703
2017-03-29 08:47:45 C 15 06 42.85 -15 34 43.2 q 703
2017-03-29 08:54:43 C 15 06 43.14 -15 34 42.4 q 703
2017-04-04 05:46:28 C 15 12 57.06 -15 11 40.0 o W92
2017-04-04 05:58:14 C 15 12 57.43 -15 11 36.9 o W92
2017-04-08 09:18:38 C 15 17 04.06 -14 48 53.9 q H45
2017-04-08 09:20:32 C 15 17 04.13 -14 48 53.0 q H45
2017-04-08 09:21:58 C 15 17 04.16 -14 48 52.8 q H45
2017-04-08 09:22:37 C 15 17 04.52 -14 48 52.0 o 691
2017-04-08 09:23:27 C 15 17 04.22 -14 48 52.4 q H45
2017-04-08 09:24:59 C 15 17 04.26 -14 48 51.9 q H45
2017-04-08 09:26:26 C 15 17 04.34 -14 48 51.7 q H45
2017-04-08 09:27:54 C 15 17 04.71 -14 48 50.6 o 691
2017-04-08 09:33:11 C 15 17 04.93 -14 48 49.0 o 691
2017-04-12 06:54:04 C 15 20 44.83 -14 21 30.9 u H21
2017-04-12 06:56:28 C 15 20 44.90 -14 21 30.2 u H21
2017-04-12 07:00:37 C 15 20 45.05 -14 21 28.8 u H21
2017-04-12 07:04:24 C 15 20 45.17 -14 21 27.7 u H21
2017-04-12 07:08:11 C 15 20 45.30 -14 21 26.3 u H21
2017-04-12 07:11:58 C 15 20 45.43 -14 21 25.3 u H21
2017-04-12 07:15:45 C 15 20 45.55 -14 21 23.8 u H21
2017-04-12 07:19:31 C 15 20 45.65 -14 21 22.5 u H21
2017-04-12 07:23:18 C 15 20 45.79 -14 21 21.3 u H21
2017-04-12 07:27:05 C 15 20 45.92 -14 21 20.1 u H21
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)