8176 (1991 WA)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6431832717 ± 1.14e-08
Semi-major axis (a)1.5750859884 AU ± 1.02e-09
Inclination (i)39.58756964° ± 2.00e-06
Long. of Asc. Node (Ω)66.50109733° ± 2.91e-06
Arg. of Perihelion (ω)241.89066449° ± 2.56e-06
Mean Anomaly (M)100.30033711° ± 3.66e-06
Mean Motion (n)0.4986041328°/day ± 4.85e-10
Perihelion dist (q)0.56201703 AU ± 1.79e-08
Aphelion dist (Q)2.58815495 AU ± 1.80e-08
Orbital Period1.97677119 yr ± 1.92e-09
Physical Parameters
H (abs. magnitude)16.99
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.077″
Uncertainty0
Orbit TypeApollo
MOID0.192310 AU
Observations Used849
Gaia Obs Used50
Oppositions13
Arc Total1991-2026
First Observation Used1991-12-01
Last Observation Used2026-01-26
Observations (880)
Date Type RA Dec Mag Band Observatory
2013-05-01 00:07:52 C 16 39 16.12 +80 20 20.5 q C73
2013-05-01 00:09:02 C 16 39 15.77 +80 20 24.0 q C73
2013-05-01 00:10:11 C 16 39 15.63 +80 20 27.6 q C73
2013-05-01 00:11:20 C 16 39 15.41 +80 20 31.1 q C73
2013-05-02 21:30:33 C 16 27 14.45 +82 42 14.5 u C75
2013-05-02 21:32:15 C 16 27 13.78 +82 42 19.9 u C75
2013-05-02 21:34:54 C 16 27 12.74 +82 42 28.2 u C75
2013-05-08 23:47:39 C 07 26 54.07 +87 08 18.8 u C73
2013-05-08 23:48:19 C 07 26 52.01 +87 08 16.2 u C73
2013-05-08 23:48:58 C 07 26 49.65 +87 08 13.7 u C73
2013-05-08 23:49:37 C 07 26 47.68 +87 08 11.3 u C73
2013-05-08 23:50:17 C 07 26 45.41 +87 08 08.7 u C73
2013-05-08 23:50:57 C 07 26 43.28 +87 08 06.2 u C73
2013-05-08 23:51:37 C 07 26 41.08 +87 08 03.7 u C73
2013-05-08 23:52:16 C 07 26 39.15 +87 08 01.5 u C73
2013-05-08 23:52:55 C 07 26 37.10 +87 07 58.5 u C73
2013-05-08 23:53:35 C 07 26 35.10 +87 07 55.8 u C73
2013-05-08 23:54:15 C 07 26 32.99 +87 07 53.3 u C73
2013-05-08 23:54:55 C 07 26 30.80 +87 07 50.8 u C73
2013-05-08 23:55:33 C 07 26 28.66 +87 07 48.1 u C73
2013-05-08 23:56:13 C 07 26 26.64 +87 07 45.7 u C73
2013-05-08 23:56:53 C 07 26 24.31 +87 07 43.0 u C73
2013-05-08 23:57:33 C 07 26 22.17 +87 07 40.4 u C73
2013-05-08 23:58:12 C 07 26 19.76 +87 07 37.8 u C73
2013-05-08 23:58:51 C 07 26 17.84 +87 07 35.0 u C73
2013-05-08 23:59:31 C 07 26 15.79 +87 07 32.6 u C73
2013-05-09 00:00:11 C 07 26 14.08 +87 07 30.3 u C73
2013-05-09 00:00:50 C 07 26 11.48 +87 07 27.7 u C73
2013-05-09 00:01:30 C 07 26 09.45 +87 07 25.0 u C73
2013-05-09 00:02:09 C 07 26 07.33 +87 07 22.5 u C73
2013-05-09 00:02:49 C 07 26 05.19 +87 07 19.8 u C73
2013-05-09 00:03:29 C 07 26 03.07 +87 07 17.2 u C73
2013-05-09 00:04:08 C 07 26 01.03 +87 07 14.7 u C73
2013-05-09 00:04:48 C 07 25 58.14 +87 07 11.7 u C73
2013-05-09 00:05:07 C 07 25 57.71 +87 07 10.8 u C73
2013-05-09 00:05:27 C 07 25 56.85 +87 07 09.8 u C73
2013-05-09 00:05:47 C 07 25 55.36 +87 07 08.5 u C73
2013-05-09 00:06:07 C 07 25 54.66 +87 07 07.1 u C73
2013-05-09 00:06:27 C 07 25 53.37 +87 07 06.3 u C73
2013-05-09 00:06:46 C 07 25 52.01 +87 07 04.7 u C73
2013-05-09 00:07:06 C 07 25 51.65 +87 07 03.1 u C73
2013-05-09 00:07:26 C 07 25 50.29 +87 07 01.6 u C73
2013-05-11 22:28:27 C 05 56 44.50 +81 34 59.1 o J16
2013-05-11 22:32:45 C 05 56 42.82 +81 34 36.4 o J16
2013-05-11 22:37:35 C 05 56 40.49 +81 34 10.5 o J16
2013-05-11 22:42:43 C 05 56 38.15 +81 33 42.8 o J16
2013-11-10 09:28:40 C 08 07 52.03 +41 57 42.9 q 703
2013-11-10 09:35:55 C 08 07 52.15 +41 57 50.3 q 703
2013-11-10 09:50:27 C 08 07 51.86 +41 58 07.2 q 703
2013-11-19 08:54:17 C 08 01 13.07 +46 13 55.1 u H21