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
2017-08-13 19:11:16 C 20 43 31.43 +04 10 01.3 u 193
2017-08-13 19:14:57 C 20 43 33.80 +04 09 55.2 q K73
2017-08-13 19:15:48 C 20 43 32.00 +04 09 56.4 u 193
2017-08-13 19:20:21 C 20 43 32.47 +04 09 51.7 u 193
2017-08-13 19:24:53 C 20 43 32.93 +04 09 47.1 u 193
2017-08-13 19:29:24 C 20 43 33.42 +04 09 42.4 u 193
2017-08-13 19:33:57 C 20 43 33.92 +04 09 37.6 u 193
2017-08-13 19:38:29 C 20 43 34.45 +04 09 32.6 u 193
2017-08-13 19:41:15 C 20 43 36.78 +04 09 27.9 q K73
2017-08-13 19:43:01 C 20 43 34.92 +04 09 28.2 u 193
2017-08-13 19:47:34 C 20 43 35.42 +04 09 23.4 u 193
2017-08-13 20:33:00 C 20 43 42.50 +04 08 28.5 U G34
2017-08-13 20:37:14 C 20 43 42.98 +04 08 24.0 U G34
2017-08-13 20:41:29 C 20 43 43.46 +04 08 19.7 U G34
2017-08-13 20:45:43 C 20 43 43.93 +04 08 15.3 U G34
2017-08-13 20:49:57 C 20 43 44.41 +04 08 10.9 U G34
2017-08-13 21:27:31 C 20 43 49.16 +04 07 33.2 14.4 q Z43
2017-08-13 21:57:29 C 20 43 52.51 +04 07 02.1 14.4 q Z43
2017-08-13 22:52:29 C 20 43 58.63 +04 06 05.1 14.2 q Z43
2017-08-14 20:10:00 C 20 46 30.67 +03 44 02.2 q C23
2017-08-14 20:15:23 C 20 46 31.26 +03 43 56.6 q C23
2017-08-14 20:19:42 C 20 46 31.74 +03 43 52.2 q C23
2017-08-14 21:35:27 C 20 46 39.88 +03 42 35.3 q K74
2017-08-14 21:37:06 C 20 46 40.06 +03 42 33.6 q K74
2017-08-14 21:38:45 C 20 46 40.24 +03 42 31.9 q K74
2017-08-14 21:42:54 C 20 46 40.69 +03 42 27.6 q K74
2017-08-14 21:44:34 C 20 46 40.87 +03 42 25.9 q K74
2017-08-14 21:46:00 C 20 46 41.05 +03 42 27.6 q 160
2017-08-14 21:46:15 C 20 46 41.05 +03 42 24.2 q K74
2017-08-14 21:49:14 C 20 46 41.40 +03 42 24.4 q 160
2017-08-14 21:52:30 C 20 46 41.75 +03 42 20.9 q 160
2017-08-15 01:23:40 C 20 47 04.56 +03 38 38.3 15.0 S K80
2017-08-15 01:30:59 C 20 47 05.38 +03 38 31.0 14.9 S K80
2017-08-15 10:33:18 C 20 48 08.70 +03 29 36.9 L T08
2017-08-15 10:46:05 C 20 48 10.02 +03 29 23.8 L T08
2017-08-15 10:58:50 C 20 48 11.34 +03 29 10.8 L T08
2017-08-15 11:11:34 C 20 48 12.65 +03 28 57.7 L T08
2017-08-15 20:01:45 C 20 49 15.57 +03 19 40.4 u 108
2017-08-15 20:08:14 C 20 49 16.26 +03 19 33.7 u 108
2017-08-15 20:11:29 C 20 49 16.61 +03 19 30.4 u 108
2017-08-15 20:16:20 C 20 49 17.12 +03 19 25.5 u 108
2017-08-15 20:24:55 C 20 49 18.04 +03 19 16.4 u 108
2017-08-15 20:28:09 C 20 49 18.39 +03 19 13.3 u 108
2017-08-15 20:34:37 C 20 49 19.04 +03 19 06.8 u 108
2017-08-15 20:37:52 C 20 49 19.42 +03 19 03.6 u 108
2017-08-15 20:41:07 C 20 49 19.75 +03 19 00.2 u 108
2017-08-15 20:45:18 C 20 49 20.34 +03 18 50.7 U Z52
2017-08-15 21:15:22 C 20 49 23.56 +03 18 20.3 U Z52
2017-08-15 21:46:27 C 20 49 26.86 +03 17 48.8 U Z52
2017-08-16 20:11:43 C 20 51 57.82 +02 55 08.8 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)