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
1995-11-09 01:00:39 C 07 10 54.45 -14 00 53.5 118
1995-11-09 01:16:15 C 07 10 48.85 -13 59 45.3 118
1995-11-09 01:26:03 C 07 10 45.34 -13 59 03.0 118
1995-11-09 01:40:16 C 07 10 40.24 -13 58 01.0 118
1995-11-15 11:24:55 c 06 13 41.53 -01 39 31.8 i 691
1995-11-15 11:35:00 c 06 13 37.61 -01 38 40.8 i 691
1995-11-15 11:46:37 c 06 13 33.09 -01 37 42.0 i 691
1995-11-16 17:44:00 C 06 02 10.71 +00 53 26.5 z 360
1995-11-16 17:47:44 C 06 02 09.27 +00 53 45.1 z 360
1995-11-16 17:53:59 C 06 02 06.84 +00 54 16.7 z 360
1995-11-18 06:59:06 C 05 48 06.09 +03 58 50.7 z 801
1995-11-18 23:36:30 C 05 41 53.50 +05 19 53.6 z 108
1995-11-18 23:40:44 C 05 41 51.81 +05 20 14.2 z 108
1995-11-18 23:47:30 C 05 41 49.31 +05 20 46.8 z 108
1995-11-18 23:55:37 C 05 41 46.19 +05 21 25.3 z 108
1995-11-19 00:35:59 C 05 41 30.78 +05 24 42.0 z 104
1995-11-19 00:37:29 C 05 41 30.23 +05 24 49.4 z 104
1995-11-19 00:38:59 C 05 41 29.64 +05 24 57.5 z 104
1995-11-19 02:03:25 C 05 40 57.75 +05 31 43.4 z 108
1995-11-19 02:06:25 C 05 40 56.60 +05 31 59.4 z 108
1995-11-19 02:15:25 C 05 40 53.23 +05 32 41.1 z 108
1995-11-19 22:54:34 C 05 33 15.86 +07 11 06.3 z 108
1995-11-19 23:03:53 C 05 33 12.35 +07 11 48.9 z 108
1995-11-19 23:14:24 C 05 33 08.40 +07 12 40.5 z 108
1995-11-20 22:26:57 C 05 24 40.85 +08 59 56.6 z 108
1995-11-20 22:35:23 C 05 24 37.74 +09 00 34.2 z 108
1995-11-20 22:45:29 C 05 24 34.00 +09 01 21.5 z 108
1995-11-20 22:59:59 C 05 24 28.72 +09 02 27.0 z 108
1995-11-21 22:09:29 C 05 16 11.91 +10 45 25.9 z 108
1995-11-21 22:39:39 C 05 16 01.00 +10 47 36.6 z 108
1995-11-21 22:48:39 C 05 15 57.86 +10 48 14.6 z 108
1995-11-21 22:59:59 C 05 15 53.78 +10 49 05.7 z 108
1995-11-22 10:05:09 C 05 11 58.56 +11 36 51.1 16.0 i 691
1995-11-22 10:11:17 C 05 11 56.38 +11 37 17.1 16.0 i 691
1995-11-22 23:41:47 C 05 07 15.92 +12 33 48.8 z 557
1995-11-22 23:54:48 C 05 07 11.37 +12 34 42.7 z 557
1995-11-23 00:13:43 C 05 07 04.75 +12 36 00.9 z 557
1995-11-23 00:21:36 C 05 07 01.97 +12 36 33.4 z 557
1995-11-23 00:35:59 C 05 06 56.86 +12 37 33.3 z 118
1995-11-23 01:09:58 C 05 06 44.97 +12 39 53.4 z 118
1995-11-23 06:50:40 C 05 04 48.18 +13 03 11.3 z 801
1995-11-23 06:52:24 C 05 04 47.58 +13 03 18.0 z 801
1995-11-25 23:17:19 C 04 43 41.01 +17 06 20.4 072
1995-11-25 23:22:42 C 04 43 39.28 +17 06 39.3 072
1995-11-27 07:38:04 C 04 33 47.84 +18 53 53.7 711
1995-11-27 07:43:16 C 04 33 46.27 +18 54 10.1 711
1995-11-28 08:13:19 C 04 26 37.96 +20 09 04.8 711
1995-11-28 08:18:41 C 04 26 36.39 +20 09 20.6 711
1995-12-10 19:30:59 C 03 23 26.58 +29 36 21.0 z 108
1995-12-10 20:04:30 C 03 23 21.55 +29 37 00.9 z 108