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
2017-08-26 16:54:10 C 21 14 58.45 -00 43 38.4 q C97
2017-08-26 16:58:21 C 21 14 58.81 -00 43 39.6 q C97
2017-08-26 17:06:01 C 21 14 59.46 -00 43 47.6 q C97
2017-08-26 17:07:18 C 21 14 59.57 -00 43 48.5 q C97
2017-08-26 20:39:54 C 21 15 17.56 -00 46 59.2 U Z52
2017-08-26 21:25:48 C 21 15 21.24 -00 47 37.3 U Z52
2017-08-27 19:36:57 C 21 17 14.49 -01 05 45.6 q C23
2017-08-27 19:38:02 C 21 17 14.56 -01 05 47.2 q C23
2017-08-27 19:44:30 C 21 17 15.07 -01 05 52.3 q C23
2017-08-28 22:32:39 C 21 19 27.35 -01 27 13.3 q C23
2017-08-28 22:36:59 C 21 19 27.67 -01 27 16.9 q C23
2017-08-28 22:42:22 C 21 19 28.08 -01 27 20.9 q C23
2017-08-29 09:34:10 C 21 20 21.09 -01 35 35.4 L T05
2017-08-29 09:45:19 C 21 20 21.89 -01 35 44.1 L T05
2017-08-29 09:46:57 C 21 20 22.01 -01 35 45.4 L T05
2017-08-29 09:57:16 C 21 20 22.75 -01 35 53.3 L T05
2017-08-29 09:58:05 C 21 20 22.81 -01 35 54.0 L T05
2017-08-29 10:08:22 C 21 20 23.55 -01 36 01.9 L T05
2017-08-29 10:09:59 C 21 20 23.67 -01 36 03.2 L T05
2017-08-29 10:21:07 C 21 20 24.48 -01 36 11.8 L T05
2017-08-29 22:39:59 C 21 21 24.35 -01 45 53.2 q 046
2017-08-29 22:43:17 C 21 21 24.56 -01 45 55.6 q 046
2017-08-29 22:47:45 C 21 21 24.91 -01 45 58.9 q 046
2017-08-29 22:48:53 C 21 21 24.99 -01 45 59.7 q 046
2017-08-29 22:49:51 C 21 21 25.07 -01 46 00.4 q 046
2017-08-29 22:50:54 C 21 21 25.14 -01 46 01.3 q 046
2017-08-29 22:52:00 C 21 21 25.22 -01 46 02.1 q 046
2017-08-30 21:29:21 C 21 23 13.98 -02 03 03.6 15.1 q Z43
2017-08-30 21:48:49 C 21 23 15.06 -02 03 16.5 q 160
2017-08-30 21:50:42 C 21 23 15.20 -02 03 17.8 q 160
2017-08-30 21:52:32 C 21 23 15.32 -02 03 19.1 q 160
2017-08-30 22:20:06 C 21 23 17.67 -02 03 41.4 15.0 q Z43
2017-08-30 23:03:40 C 21 23 20.82 -02 04 13.6 15.4 q Z43
2017-08-31 09:08:43 C 21 24 08.19 -02 11 26.1 L T08
2017-08-31 09:18:57 C 21 24 08.91 -02 11 33.7 L T08
2017-08-31 09:30:29 C 21 24 09.70 -02 11 42.2 L T08
2017-08-31 09:41:08 C 21 24 10.44 -02 11 49.8 L T08
2017-09-01 20:56:06 n 21 26 53.98 -02 37 15.4 q Z43
2017-09-01 21:52:58 n 21 26 57.88 -02 37 55.6 q Z43
2017-09-04 23:14:03 C 21 32 21.67 -03 26 39.1 q J27
2017-09-04 23:20:08 C 21 32 22.06 -03 26 42.9 q J27
2017-09-04 23:27:44 C 21 32 22.55 -03 26 47.8 q J27
2017-09-09 00:29:00 C 21 39 06.95 -04 23 53.3 U Z80
2017-09-09 00:32:05 C 21 39 07.13 -04 23 54.9 U Z80
2017-09-09 00:35:09 C 21 39 07.30 -04 23 57.2 U Z80
2017-09-09 00:38:14 C 21 39 07.50 -04 23 58.9 U Z80
2017-09-09 00:41:18 C 21 39 07.66 -04 24 00.2 U Z80
2017-09-11 12:58:21 C 21 43 08.78 -04 55 09.9 q D29
2017-09-11 13:21:16 C 21 43 10.13 -04 55 21.2 q D29
2017-09-11 13:44:10 C 21 43 11.48 -04 55 32.6 q D29
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)