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
2017-06-29 06:52:21 C 17 23 32.37 +13 04 29.9 U 654
2017-06-29 07:10:25 C 17 23 35.29 +13 04 41.6 U 654
2017-06-29 07:28:48 C 17 23 38.26 +13 04 53.3 U 654
2017-06-29 07:46:33 C 17 23 41.14 +13 05 04.6 U 654
2017-06-29 08:05:18 C 17 23 44.19 +13 05 16.4 U 654
2017-06-29 08:23:07 C 17 23 47.09 +13 05 27.5 U 654
2017-06-29 08:40:54 C 17 23 50.00 +13 05 38.6 U 654
2017-06-29 08:52:42 C 17 23 51.94 +13 05 45.9 U 654
2017-06-29 09:04:07 C 17 23 53.82 +13 05 52.9 U 654
2017-06-29 09:28:04 C 17 23 57.78 +13 06 07.5 U 654
2017-06-30 04:23:12 C 17 27 25.24 +13 17 56.7 v 719
2017-06-30 05:03:38 C 17 27 28.04 +13 19 15.5 r Y00
2017-06-30 05:06:12 C 17 27 28.51 +13 19 16.3 r Y00
2017-06-30 05:08:33 C 17 27 28.88 +13 19 16.7 r Y00
2017-07-01 07:20:20 C 17 32 19.03 +13 33 20.5 463
2017-07-01 07:42:01 C 17 32 22.72 +13 33 30.5 463
2017-07-01 21:45:29 C 17 35 02.30 +13 40 48.8 q C23
2017-07-01 21:50:41 C 17 35 03.22 +13 40 51.5 q C23
2017-07-01 21:56:28 C 17 35 04.24 +13 40 54.5 q C23
2017-07-02 03:38:26 C 17 36 10.35 +13 44 02.6 v 719
2017-07-02 04:18:06 C 17 36 17.42 +13 44 23.7 v 719
2017-07-02 06:27:49 C 17 36 40.06 +13 45 31.1 q 703
2017-07-02 06:35:32 C 17 36 41.40 +13 45 34.9 q 703
2017-07-02 06:43:15 C 17 36 42.74 +13 45 38.7 q 703
2017-07-02 06:50:59 C 17 36 44.07 +13 45 42.4 q 703
2017-07-02 10:14:32 C 17 37 22.18 +13 47 35.8 L T08
2017-07-02 10:23:32 C 17 37 23.73 +13 47 40.0 L T08
2017-07-02 10:55:09 C 17 37 29.19 +13 47 54.8 L T08
2017-07-02 21:10:18 C 17 39 29.26 +13 52 13.9 q C23
2017-07-02 21:16:05 C 17 39 30.31 +13 52 16.6 q C23
2017-07-02 21:21:16 C 17 39 31.23 +13 52 19.0 q C23
2017-07-02 21:35:16 C 17 39 34.06 +13 52 34.6 14.2 q 006
2017-07-02 21:39:08 C 17 39 34.74 +13 52 36.4 14.2 q 006
2017-07-02 21:42:59 C 17 39 35.43 +13 52 38.5 14.1 q 006
2017-07-02 21:48:07 C 17 39 36.33 +13 52 40.7 14.2 q 006
2017-07-02 21:53:15 C 17 39 37.25 +13 52 43.2 14.1 q 006
2017-07-02 23:32:54 C 17 39 55.15 +13 53 19.3 q Z80
2017-07-02 23:34:39 C 17 39 55.47 +13 53 20.3 q Z80
2017-07-02 23:36:23 C 17 39 55.77 +13 53 21.2 q Z80
2017-07-02 23:38:08 C 17 39 56.10 +13 53 22.2 q Z80
2017-07-02 23:39:52 C 17 39 56.41 +13 53 22.7 q Z80
2017-07-02 23:41:36 C 17 39 56.72 +13 53 23.5 q Z80
2017-07-03 02:12:58 C 17 40 26.06 +13 55 47.8 r Y00
2017-07-03 02:15:06 C 17 40 26.39 +13 55 48.9 r Y00
2017-07-03 02:16:44 C 17 40 26.68 +13 55 48.8 r Y00
2017-07-03 08:41:40 C 17 41 39.48 +13 57 39.4 U 654
2017-07-03 08:54:23 C 17 41 41.77 +13 57 44.5 U 654
2017-07-03 09:05:53 C 17 41 43.83 +13 57 49.2 U 654
2017-07-03 09:18:40 C 17 41 46.14 +13 57 54.3 U 654
2017-07-03 09:31:39 C 17 41 48.48 +13 57 59.5 U 654
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)