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
2020-05-23 07:44:30 C 12 01 11.01 +04 43 17.3 V T08
2020-05-23 07:49:09 C 12 01 11.06 +04 43 18.0 V T08
2020-05-23 07:59:05 C 12 01 11.19 +04 43 19.7 V T08
2020-05-23 08:14:25 C 12 01 11.33 +04 43 21.5 V T08
2020-05-23 13:14:53 C 12 01 16.00 +04 43 57.7 q D29
2020-05-23 13:35:15 C 12 01 16.24 +04 44 00.1 q D29
2020-05-23 13:55:37 C 12 01 16.47 +04 44 02.8 q D29
2020-05-23 21:53:39 C 12 01 23.86 +04 45 00.0 V 204
2020-05-23 21:58:19 C 12 01 23.92 +04 45 00.4 V 204
2020-05-23 22:02:58 C 12 01 24.00 +04 45 01.1 V 204
2020-05-25 08:13:35 C 12 02 00.04 +04 48 54.4 V T05
2020-05-25 08:18:15 C 12 02 00.15 +04 48 54.6 V T05
2020-05-25 08:28:59 C 12 02 00.32 +04 48 55.8 V T05
2020-05-25 08:57:36 C 12 02 00.75 +04 48 58.7 V T05
2020-05-25 20:32:53 C 12 02 14.98 +04 49 58.6 V A16
2020-05-25 20:49:13 C 12 02 15.28 +04 50 00.0 V A16
2020-05-25 21:05:36 C 12 02 15.57 +04 50 01.4 V A16
2020-05-25 21:21:57 C 12 02 15.87 +04 50 02.7 V A16
2020-05-26 04:50:47 C 12 02 25.29 +04 50 45.1 U I41
2020-05-26 05:05:10 C 12 02 25.54 +04 50 46.3 U I41
2020-05-26 05:41:37 S 12 02 26.618 +04 50 56.58 L C51
2020-05-26 08:49:56 S 12 02 30.648 +04 51 12.96 L C51
2020-05-26 08:50:07 S 12 02 30.598 +04 51 12.06 L C51
2020-05-26 11:57:42 S 12 02 34.75 +04 51 28.6 L C51
2020-05-26 15:06:46 S 12 02 38.88 +04 51 41.9 L C51
2020-05-26 16:40:49 S 12 02 40.98 +04 51 49.4 L C51
2020-05-26 21:23:23 S 12 02 47.35 +04 52 11.1 L C51
2020-05-27 02:05:47 S 12 02 53.86 +04 52 31.2 L C51
2020-05-27 02:05:57 S 12 02 53.80 +04 52 29.6 L C51
2020-05-27 05:13:32 S 12 02 58.21 +04 52 44.3 L C51
2020-05-27 08:22:36 S 12 03 02.67 +04 52 56.0 L C51
2020-05-27 20:44:36 C 12 03 20.53 +04 53 32.4 V 160
2020-05-27 20:47:51 C 12 03 20.59 +04 53 32.7 V 160
2020-05-27 20:51:18 C 12 03 20.64 +04 53 32.8 V 160
2020-05-29 04:40:12 C 12 04 11.33 +04 55 03.5 U I41
2020-05-29 05:24:55 C 12 04 12.42 +04 55 05.0 U I41
2020-06-04 07:29:30 C 12 09 17.04 +04 53 09.8 V T08
2020-06-04 07:33:33 C 12 09 17.18 +04 53 09.5 V T08
2020-06-04 07:42:13 C 12 09 17.48 +04 53 09.0 V T08
2020-06-04 07:58:10 C 12 09 18.09 +04 53 08.7 V T08
2020-06-05 08:10:47 C 12 10 19.67 +04 51 27.8 V T05
2020-06-05 08:20:54 C 12 10 20.07 +04 51 27.0 V T05
2020-06-05 08:26:10 C 12 10 20.32 +04 51 26.4 V T05
2020-06-05 08:48:51 C 12 10 21.24 +04 51 24.4 V T05
2020-06-06 06:50:06 C 12 11 20.47 +04 49 33.6 V T05
2020-06-06 06:54:09 C 12 11 20.60 +04 49 33.7 V T05
2020-06-06 07:02:04 C 12 11 20.95 +04 49 32.6 V T05
2020-06-06 07:20:35 C 12 11 21.74 +04 49 31.0 V T05
2020-06-14 08:03:01 C 12 21 43.46 +04 20 53.4 q E89
2020-06-14 08:39:49 C 12 21 45.60 +04 20 45.5 q E89
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)