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
2017-07-10 04:08:30 C 18 14 52.40 +14 36 00.1 u H21
2017-07-10 04:11:01 C 18 14 52.90 +14 36 00.2 u H21
2017-07-10 04:13:33 C 18 14 53.39 +14 36 00.3 u H21
2017-07-10 04:16:04 C 18 14 53.88 +14 36 00.4 u H21
2017-07-10 04:18:35 C 18 14 54.37 +14 36 00.4 u H21
2017-07-10 04:21:06 C 18 14 54.86 +14 36 00.6 u H21
2017-07-10 04:23:39 C 18 14 55.36 +14 36 00.6 u H21
2017-07-10 04:25:55 C 18 14 55.80 +14 36 00.8 u H21
2017-07-10 07:17:18 C 18 15 30.41 +14 36 03.7 463
2017-07-10 07:36:45 C 18 15 34.24 +14 36 03.6 463
2017-07-10 07:56:21 C 18 15 38.09 +14 36 03.4 463
2017-07-10 23:54:55 C 18 19 01.23 +14 35 49.6 U Z80
2017-07-10 23:58:50 C 18 19 02.01 +14 35 49.4 U Z80
2017-07-11 00:00:57 C 18 19 02.44 +14 35 49.4 U Z80
2017-07-11 00:03:04 C 18 19 02.86 +14 35 49.2 U Z80
2017-07-11 00:05:11 C 18 19 03.29 +14 35 49.2 U Z80
2017-07-11 00:07:18 C 18 19 03.71 +14 35 49.1 U Z80
2017-07-11 00:09:25 C 18 19 04.12 +14 35 49.0 U Z80
2017-07-11 00:11:32 C 18 19 04.55 +14 35 48.9 U Z80
2017-07-11 00:13:40 C 18 19 04.98 +14 35 48.7 U Z80
2017-07-12 01:46:08 C 18 24 30.77 +14 35 35.2 r Y00
2017-07-12 01:47:38 C 18 24 31.05 +14 35 35.4 r Y00
2017-07-12 01:49:09 C 18 24 31.32 +14 35 35.8 r Y00
2017-07-12 03:29:51 C 18 24 53.73 +14 34 19.7 u H21
2017-07-12 03:31:49 C 18 24 54.12 +14 34 19.6 u H21
2017-07-12 03:33:47 C 18 24 54.51 +14 34 19.5 u H21
2017-07-12 03:35:44 C 18 24 54.90 +14 34 19.3 u H21
2017-07-12 03:37:42 C 18 24 55.28 +14 34 19.2 u H21
2017-07-12 03:39:39 C 18 24 55.68 +14 34 18.9 u H21
2017-07-12 03:41:37 C 18 24 56.06 +14 34 18.8 u H21
2017-07-12 03:43:35 C 18 24 56.45 +14 34 18.7 u H21
2017-07-12 03:45:32 C 18 24 56.83 +14 34 18.7 u H21
2017-07-12 03:47:30 C 18 24 57.22 +14 34 18.4 u H21
2017-07-12 03:49:27 C 18 24 57.61 +14 34 18.2 u H21
2017-07-12 05:08:11 C 18 25 13.15 +14 34 10.9 u H21
2017-07-12 05:10:15 C 18 25 13.55 +14 34 10.7 u H21
2017-07-12 05:12:18 C 18 25 13.96 +14 34 10.5 u H21
2017-07-12 05:14:22 C 18 25 14.36 +14 34 10.3 u H21
2017-07-12 05:16:26 C 18 25 14.77 +14 34 09.9 u H21
2017-07-12 05:18:30 C 18 25 15.18 +14 34 09.9 u H21
2017-07-12 05:20:34 C 18 25 15.59 +14 34 09.6 u H21
2017-07-12 05:22:38 C 18 25 15.99 +14 34 09.3 u H21
2017-07-12 05:24:42 C 18 25 16.41 +14 34 09.4 u H21
2017-07-12 05:26:46 C 18 25 16.81 +14 34 08.9 u H21
2017-07-12 05:28:50 C 18 25 17.22 +14 34 08.7 u H21
2017-07-12 05:30:54 C 18 25 17.63 +14 34 08.5 u H21
2017-07-12 05:32:57 C 18 25 18.03 +14 34 08.3 u H21
2017-07-12 05:35:01 C 18 25 18.44 +14 34 08.1 u H21
2017-07-12 05:37:05 C 18 25 18.85 +14 34 07.9 u H21
2017-07-12 05:39:09 C 18 25 19.25 +14 34 07.6 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)