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
2023-03-19 03:42:02 C 11 30 05.470 +00 21 57.85 V W68
2023-03-19 03:49:49 C 11 30 05.040 +00 22 01.38 V W68
2023-03-19 04:23:13 C 11 30 03.456 +00 22 06.78 V 703
2023-03-19 04:30:46 C 11 30 02.981 +00 22 11.42 V 703
2023-03-19 04:38:21 C 11 30 02.632 +00 22 14.41 V 703
2023-03-19 04:45:54 C 11 30 02.210 +00 22 17.47 V 703
2023-03-20 23:16:24 C 11 27 42.70 +00 42 05.3 V 130
2023-03-20 23:27:08 C 11 27 42.08 +00 42 10.6 V 130
2023-03-20 23:38:06 C 11 27 41.49 +00 42 15.7 V 130
2023-03-21 09:44:06 C 11 27 08.364 +00 47 04.65 U F51
2023-03-21 10:01:12 C 11 27 07.385 +00 47 12.73 U F51
2023-03-21 10:18:22 C 11 27 06.399 +00 47 20.85 U F51
2023-03-21 22:56:54 C 11 26 24.682 +00 53 28.54 V M22
2023-03-21 23:02:07 C 11 26 24.360 +00 53 30.91 V M22
2023-03-21 23:11:16 C 11 26 23.839 +00 53 35.56 V M22
2023-03-22 00:01:02 C 11 26 21.031 +00 53 58.42 V M22
2023-03-23 03:06:36 C 11 24 52.008 +01 06 53.24 V W68
2023-03-23 03:09:15 C 11 24 51.881 +01 06 54.25 V W68
2023-03-23 03:18:30 C 11 24 51.324 +01 06 58.21 V W68
2023-03-23 03:28:29 C 11 24 50.734 +01 07 03.04 V W68
2023-03-24 12:37:09 C 11 23 01.723 +01 22 56.75 V P07
2023-03-24 13:40:01 C 11 22 58.157 +01 23 27.06 V P07
2023-03-24 15:23:09 C 11 22 52.291 +01 24 16.52 V P07
2023-03-24 16:35:14 C 11 22 48.074 +01 24 51.34 V P07
2023-03-24 17:53:41 C 11 22 43.582 +01 25 28.99 V P07
2023-03-25 09:39:23 C 11 21 51.967 +01 32 59.06 V T05
2023-03-25 10:22:38 C 11 21 49.481 +01 33 19.44 V T05
2023-03-25 10:55:19 C 11 21 47.633 +01 33 35.78 V T05
2023-03-25 11:14:12 C 11 21 46.538 +01 33 44.96 V T05
2023-03-26 06:38:05 C 11 20 43.091 +01 43 06.06 V 703
2023-03-26 06:45:43 C 11 20 42.623 +01 43 09.77 V 703
2023-03-26 06:53:20 C 11 20 42.223 +01 43 14.02 V 703
2023-03-26 07:00:57 C 11 20 41.770 +01 43 16.61 V 703
2023-03-27 03:52:49 C 11 19 33.595 +01 53 32.89 V W68
2023-03-27 04:00:46 C 11 19 33.130 +01 53 36.60 V W68
2023-03-27 04:05:24 C 11 19 32.897 +01 53 38.72 V W68
2023-03-27 04:54:40 C 11 19 30.067 +01 54 02.81 V W68
2023-03-27 16:06:43 C 11 18 53.61 +01 59 18.3 V D29
2023-03-27 16:27:05 C 11 18 52.47 +01 59 28.1 V D29
2023-03-27 16:47:27 C 11 18 51.31 +01 59 38.2 V D29
2023-03-29 22:24:28 C 11 15 58.637 +02 25 44.33 V M22
2023-03-29 22:29:03 C 11 15 58.366 +02 25 46.60 V M22
2023-03-29 22:40:14 C 11 15 57.770 +02 25 52.25 V M22
2023-03-29 23:01:28 C 11 15 56.630 +02 26 03.41 V M22
2023-03-30 01:01:09 C 11 15 50.83 +02 27 00.3 X W84
2023-03-30 01:13:43 C 11 15 50.13 +02 27 06.4 X W84
2023-03-30 01:19:52 C 11 15 49.80 +02 27 09.4 X W84
2023-03-30 01:25:58 C 11 15 49.46 +02 27 12.3 X W84
2023-03-30 01:46:56 C 11 15 48.30 +02 27 22.4 X W84
2023-03-30 02:04:56 C 11 15 47.31 +02 27 31.1 X W84
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)