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
2017-07-07 03:52:29 C 17 59 52.09 +14 27 17.2 u H21
2017-07-07 03:55:00 C 17 59 52.57 +14 27 17.7 u H21
2017-07-07 03:57:31 C 17 59 53.04 +14 27 18.3 u H21
2017-07-07 04:00:02 C 17 59 53.52 +14 27 18.9 u H21
2017-07-07 04:02:33 C 17 59 54.00 +14 27 19.4 u H21
2017-07-07 04:05:04 C 17 59 54.48 +14 27 20.1 u H21
2017-07-07 04:07:35 C 17 59 54.96 +14 27 20.6 u H21
2017-07-07 04:10:05 C 17 59 55.43 +14 27 21.1 u H21
2017-07-07 04:12:36 C 17 59 55.91 +14 27 21.7 u H21
2017-07-07 04:15:07 C 17 59 56.39 +14 27 22.3 u H21
2017-07-07 04:17:37 C 17 59 56.86 +14 27 22.7 u H21
2017-07-07 04:20:38 C 17 59 57.43 +14 27 23.5 u H21
2017-07-07 05:11:25 C 18 00 08.92 +14 27 38.4 U 654
2017-07-07 05:29:04 C 18 00 12.27 +14 27 42.5 U 654
2017-07-07 05:47:25 C 18 00 15.74 +14 27 46.7 U 654
2017-07-07 06:08:09 C 18 00 19.66 +14 27 51.3 U 654
2017-07-07 06:28:08 C 18 00 23.43 +14 27 55.6 U 654
2017-07-07 07:01:07 C 18 00 29.65 +14 28 02.4 U 654
2017-07-07 07:25:24 C 18 00 34.23 +14 28 07.2 U 654
2017-07-07 07:44:33 C 18 00 37.85 +14 28 10.9 U 654
2017-07-07 08:03:53 C 18 00 41.51 +14 28 14.6 U 654
2017-07-07 22:03:04 C 18 03 35.54 +14 30 38.8 q 203
2017-07-07 22:25:06 C 18 03 40.18 +14 30 46.6 14.2 q 006
2017-07-07 22:30:01 C 18 03 41.12 +14 30 47.3 14.1 q 006
2017-07-07 22:32:30 C 18 03 41.59 +14 30 47.7 14.0 q 006
2017-07-07 22:37:25 C 18 03 42.55 +14 30 48.8 14.0 q 006
2017-07-07 23:22:48 C 18 03 50.89 +14 30 51.7 q 203
2017-07-08 07:30:42 C 18 05 31.32 +14 32 09.9 463
2017-07-08 07:37:19 C 18 05 32.62 +14 32 12.4 463
2017-07-08 07:45:26 C 18 05 34.10 +14 32 20.0 v 719
2017-07-08 07:57:10 C 18 05 36.47 +14 32 14.8 463
2017-07-08 08:09:47 C 18 05 38.84 +14 32 21.6 v 719
2017-07-08 08:15:13 C 18 05 39.97 +14 32 16.7 463
2017-07-08 10:34:22 C 18 06 09.40 +14 32 58.2 L T05
2017-07-08 10:42:58 C 18 06 11.03 +14 32 59.4 L T05
2017-07-08 11:05:36 C 18 06 15.33 +14 33 01.7 L T05
2017-07-08 11:18:29 C 18 06 17.79 +14 33 03.0 L T05
2017-07-08 21:18:44 C 18 08 25.56 +14 33 44.3 q C23
2017-07-08 21:24:30 C 18 08 26.69 +14 33 45.1 q C23
2017-07-08 21:28:33 C 18 08 27.47 +14 33 45.4 q C23
2017-07-08 21:32:36 C 18 08 28.27 +14 33 45.9 q C23
2017-07-10 03:45:50 C 18 14 47.97 +14 35 59.2 u H21
2017-07-10 03:48:22 C 18 14 48.47 +14 35 59.2 u H21
2017-07-10 03:50:53 C 18 14 48.96 +14 35 59.4 u H21
2017-07-10 03:53:24 C 18 14 49.45 +14 35 59.4 u H21
2017-07-10 03:55:55 C 18 14 49.94 +14 35 59.6 u H21
2017-07-10 03:58:26 C 18 14 50.44 +14 35 59.7 u H21
2017-07-10 04:00:57 C 18 14 50.93 +14 35 59.8 u H21
2017-07-10 04:03:28 C 18 14 51.42 +14 35 59.9 u H21
2017-07-10 04:05:59 C 18 14 51.91 +14 36 00.0 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)