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
2017-06-16 21:30:41 C 16 39 11.91 +08 39 38.6 q C23
2017-06-17 05:49:13 C 16 40 12.77 +08 48 45.5 U 654
2017-06-17 06:10:33 C 16 40 13.54 +08 49 03.8 u H21
2017-06-17 06:12:49 C 16 40 13.80 +08 49 06.1 u H21
2017-06-17 06:14:53 C 16 40 14.03 +08 49 08.1 u H21
2017-06-17 06:16:57 C 16 40 14.26 +08 49 10.5 u H21
2017-06-17 06:19:01 C 16 40 14.49 +08 49 12.7 u H21
2017-06-17 06:21:05 C 16 40 14.71 +08 49 14.8 u H21
2017-06-17 06:23:09 C 16 40 14.95 +08 49 16.9 u H21
2017-06-17 06:25:26 C 16 40 15.21 +08 49 19.2 u H21
2017-06-17 06:27:30 C 16 40 15.42 +08 49 21.4 u H21
2017-06-17 06:29:34 C 16 40 15.66 +08 49 23.8 u H21
2017-06-17 06:31:38 C 16 40 15.89 +08 49 25.7 u H21
2017-06-17 06:33:42 C 16 40 16.12 +08 49 28.0 u H21
2017-06-17 06:35:46 C 16 40 16.33 +08 49 30.2 u H21
2017-06-17 06:37:50 C 16 40 16.58 +08 49 32.5 u H21
2017-06-17 06:48:20 C 16 40 19.21 +08 49 48.7 U 654
2017-06-17 07:48:06 C 16 40 25.74 +08 50 52.1 U 654
2017-06-17 08:21:10 C 16 40 29.38 +08 51 26.0 U 654
2017-06-17 09:02:20 C 16 40 33.94 +08 52 10.2 U 654
2017-06-17 10:23:35 C 16 40 43.15 +08 53 34.8 U 654
2017-06-17 21:15:03 C 16 42 07.63 +09 04 52.6 q C23
2017-06-17 21:20:15 C 16 42 08.23 +09 04 58.0 q C23
2017-06-17 21:25:27 C 16 42 08.82 +09 05 03.3 q C23
2017-06-17 21:30:39 C 16 42 09.42 +09 05 09.0 q C23
2017-06-17 21:37:52 C 16 42 10.17 +09 05 20.7 q D08
2017-06-17 21:53:50 C 16 42 11.97 +09 05 37.3 q D08
2017-06-17 22:09:26 C 16 42 13.75 +09 05 53.5 q D08
2017-06-17 23:29:08 C 16 42 22.71 +09 07 19.1 q 160
2017-06-17 23:30:13 C 16 42 22.97 +09 07 20.0 15.0 d B66
2017-06-17 23:31:09 C 16 42 22.95 +09 07 21.2 q 160
2017-06-17 23:33:10 C 16 42 23.17 +09 07 23.3 q 160
2017-06-18 00:10:11 C 16 42 27.56 +09 08 01.6 14.8 d B66
2017-06-18 01:44:23 C 16 42 38.57 +09 09 38.7 14.5 d B66
2017-06-18 06:26:37 C 16 43 16.72 +09 14 44.6 U 654
2017-06-18 07:24:48 C 16 43 23.31 +09 15 45.2 U 654
2017-06-18 07:43:12 C 16 43 25.40 +09 16 04.3 U 654
2017-06-18 08:06:17 C 16 43 27.62 +09 16 29.5 q 703
2017-06-18 08:14:00 C 16 43 28.51 +09 16 37.5 q 703
2017-06-18 08:21:44 C 16 43 29.40 +09 16 45.4 q 703
2017-06-18 08:29:25 C 16 43 30.29 +09 16 53.3 q 703
2017-06-18 08:46:51 C 16 43 32.69 +09 17 09.8 U 654
2017-06-18 09:14:04 C 16 43 35.84 +09 17 37.7 U 654
2017-06-18 09:55:42 C 16 43 40.73 +09 18 20.1 U 654
2017-06-18 16:24:20 C 16 44 31.07 +09 25 04.1 o P93
2017-06-18 16:26:09 C 16 44 31.32 +09 25 05.7 o P93
2017-06-18 16:27:57 C 16 44 31.51 +09 25 07.6 o P93
2017-06-18 16:29:45 C 16 44 31.75 +09 25 09.1 o P93
2017-06-18 16:31:34 C 16 44 31.94 +09 25 11.3 o P93
2017-06-18 16:33:22 C 16 44 32.18 +09 25 13.1 o P93
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)