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
2023-03-30 02:25:53 C 11 15 46.15 +02 27 41.2 X W84
2023-03-30 04:53:08 C 11 15 37.99 +02 28 52.2 X W84
2023-03-30 05:01:45 C 11 15 37.52 +02 28 56.3 X W84
2023-03-30 05:10:16 C 11 15 37.04 +02 29 00.6 X W84
2023-03-30 05:18:44 C 11 15 36.57 +02 29 04.6 X W84
2023-03-30 05:27:23 C 11 15 36.10 +02 29 08.7 X W84
2023-03-30 05:40:22 C 11 15 35.39 +02 29 14.9 X W84
2023-04-10 07:13:18 C 11 02 47.234 +04 31 16.97 V 703
2023-04-10 07:21:27 C 11 02 46.835 +04 31 20.14 V 703
2023-04-10 07:29:35 C 11 02 46.439 +04 31 24.46 V 703
2023-04-10 07:37:43 C 11 02 46.100 +04 31 27.59 V 703
2023-04-10 15:18:04 C 11 02 26.99 +04 34 43.7 V D29
2023-04-10 15:38:26 C 11 02 26.11 +04 34 52.3 V D29
2023-04-10 15:58:47 C 11 02 25.20 +04 35 01.1 V D29
2023-04-11 03:10:58 C 11 01 57.737 +04 39 54.43 V W68
2023-04-11 03:15:37 C 11 01 57.468 +04 39 57.38 V W68
2023-04-11 03:24:18 C 11 01 57.122 +04 40 01.31 V W68
2023-04-11 03:40:48 C 11 01 56.371 +04 40 07.36 V W68
2023-04-15 20:54:57 C 10 57 42.346 +05 25 23.63 V M22
2023-04-15 20:59:45 C 10 57 42.113 +05 25 25.32 V M22
2023-04-15 21:07:51 C 10 57 41.846 +05 25 28.13 V M22
2023-04-15 21:25:44 C 10 57 41.215 +05 25 35.00 V M22
2023-04-17 05:53:41 C 10 56 37.712 +05 37 26.18 V 703
2023-04-17 06:01:57 C 10 56 37.554 +05 37 28.70 V 703
2023-04-17 06:10:13 C 10 56 37.309 +05 37 31.19 V 703
2023-04-17 06:13:16 C 10 56 37.108 +05 37 32.52 V G96
2023-04-17 06:18:29 C 10 56 37.201 +05 37 33.35 V 703
2023-04-17 06:21:20 C 10 56 36.838 +05 37 35.47 V G96
2023-04-17 06:29:23 C 10 56 36.568 +05 37 38.50 V G96
2023-04-17 06:37:26 C 10 56 36.287 +05 37 41.48 V G96
2023-04-19 11:51:31 C 10 55 02.623 +05 56 31.27 V P07
2023-04-19 12:41:02 C 10 55 01.126 +05 56 47.90 V P07
2023-04-19 13:43:03 C 10 54 59.280 +05 57 08.71 V P07
2023-04-19 14:48:45 C 10 54 57.300 +05 57 31.18 V P07
2023-04-28 03:11:17 C 10 50 58.546 +06 56 06.61 V G96
2023-04-28 03:18:46 C 10 50 58.448 +06 56 08.45 V G96
2023-04-28 03:26:16 C 10 50 58.348 +06 56 10.25 V G96
2023-04-28 03:33:46 C 10 50 58.240 +06 56 11.83 V G96
2023-05-15 12:42:00 C 10 53 02.81 +07 49 27.3 V D29
2023-05-15 13:02:22 C 10 53 03.19 +07 49 28.0 V D29
2023-05-15 13:22:43 C 10 53 03.59 +07 49 28.2 V D29
2023-05-21 04:09:59 C 10 56 33.446 +07 47 50.78 V G96
2023-05-21 04:19:10 C 10 56 33.702 +07 47 49.99 V G96
2023-05-21 04:28:19 C 10 56 33.983 +07 47 49.78 V G96
2023-05-21 04:37:29 C 10 56 34.242 +07 47 49.38 V G96
2023-06-08 04:01:56 C 11 15 57.704 +06 45 46.15 V G96
2023-06-08 04:09:21 C 11 15 58.147 +06 45 44.35 V G96
2023-06-08 04:18:36 C 11 15 58.673 +06 45 42.05 V G96
2023-06-08 04:26:02 C 11 15 59.080 +06 45 40.32 V G96
2023-12-06 05:09:06 C 21 40 50.712 -12 59 15.09 X F51
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)