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
2017-06-14 07:52:39 C 16 32 03.12 +07 32 16.6 U 654
2017-06-14 08:32:53 C 16 32 07.05 +07 33 01.3 U 654
2017-06-14 08:35:44 C 16 32 06.95 +07 33 05.4 q 703
2017-06-14 08:42:48 C 16 32 07.67 +07 33 13.6 q 703
2017-06-14 08:49:52 C 16 32 08.37 +07 33 21.4 q 703
2017-06-14 08:56:56 C 16 32 09.08 +07 33 29.2 q 703
2017-06-14 09:12:39 C 16 32 10.98 +07 33 45.2 U 654
2017-06-14 09:52:40 C 16 32 14.99 +07 34 29.2 U 654
2017-06-14 21:43:19 C 16 33 36.94 +07 47 28.6 q C23
2017-06-14 21:44:02 C 16 33 37.38 +07 47 30.9 13.8 q Z43
2017-06-14 21:47:22 C 16 33 37.36 +07 47 33.0 q C23
2017-06-14 21:50:50 C 16 33 37.71 +07 47 36.9 q C23
2017-06-14 21:54:18 C 16 33 38.08 +07 47 41.0 q C23
2017-06-14 21:58:20 C 16 33 38.48 +07 47 45.2 q C23
2017-06-14 22:20:07 C 16 33 41.05 +07 48 11.2 13.6 q Z43
2017-06-15 05:02:40 C 16 34 27.49 +07 55 47.1 U 654
2017-06-15 05:27:03 C 16 34 29.64 +07 56 16.4 q G96
2017-06-15 05:32:44 C 16 34 30.54 +07 56 20.7 U 654
2017-06-15 05:33:08 C 16 34 30.25 +07 56 23.1 q G96
2017-06-15 05:37:41 C 16 34 29.73 +07 56 25.9 q H45
2017-06-15 05:38:57 C 16 34 29.86 +07 56 27.2 q H45
2017-06-15 05:39:20 C 16 34 30.87 +07 56 30.0 q G96
2017-06-15 05:39:48 C 16 34 29.94 +07 56 28.2 q H45
2017-06-15 05:40:42 C 16 34 30.03 +07 56 29.2 q H45
2017-06-15 05:41:41 C 16 34 30.13 +07 56 30.3 q H45
2017-06-15 05:42:33 C 16 34 30.22 +07 56 31.3 q H45
2017-06-15 05:45:25 C 16 34 31.49 +07 56 36.7 q G96
2017-06-15 06:02:39 C 16 34 33.56 +07 56 54.0 U 654
2017-06-15 06:32:38 C 16 34 36.59 +07 57 27.2 U 654
2017-06-15 07:06:22 C 16 34 39.98 +07 58 04.4 U 654
2017-06-15 07:32:45 C 16 34 42.64 +07 58 33.4 U 654
2017-06-15 08:02:38 C 16 34 45.67 +07 59 06.1 U 654
2017-06-15 08:32:42 C 16 34 48.73 +07 59 38.9 U 654
2017-06-15 09:32:38 C 16 34 54.92 +08 00 44.0 U 654
2017-06-15 10:02:39 C 16 34 58.07 +08 01 16.5 U 654
2017-06-15 10:23:06 C 16 35 01.79 +08 01 54.3 L T08
2017-06-15 10:32:38 C 16 35 01.26 +08 01 48.9 U 654
2017-06-15 10:36:21 C 16 35 03.12 +08 02 08.8 L T08
2017-06-15 10:49:28 C 16 35 04.44 +08 02 23.1 L T08
2017-06-15 11:02:31 C 16 35 05.75 +08 02 37.3 L T08
2017-06-16 05:35:46 C 16 37 17.96 +08 22 40.9 U 654
2017-06-16 06:11:47 C 16 37 21.74 +08 23 20.3 U 654
2017-06-16 07:30:25 C 16 37 29.99 +08 24 45.6 U 654
2017-06-16 08:12:08 C 16 37 34.39 +08 25 30.6 U 654
2017-06-16 08:48:33 C 16 37 38.26 +08 26 09.6 U 654
2017-06-16 09:32:44 C 16 37 43.02 +08 26 56.7 U 654
2017-06-16 09:59:36 C 16 37 45.95 +08 27 25.2 U 654
2017-06-16 21:15:05 C 16 39 10.18 +08 39 21.8 q C23
2017-06-16 21:20:17 C 16 39 10.75 +08 39 27.4 q C23
2017-06-16 21:25:29 C 16 39 11.34 +08 39 33.0 q C23
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)