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
2003-10-22 10:57:30 C 07 48 24.55 +18 26 56.0 18.9 c 704
2003-10-22 11:14:44 C 07 48 24.13 +18 27 21.1 18.6 c 704
2003-10-22 11:31:57 C 07 48 23.80 +18 27 48.4 18.8 c 704
2003-10-22 11:49:14 C 07 48 23.35 +18 28 16.0 19.1 c 704
2003-10-27 08:53:11 C 07 45 07.44 +21 35 21.6 o 699
2003-10-27 09:11:13 C 07 45 06.83 +21 35 51.6 o 699
2003-10-27 09:29:09 C 07 45 06.19 +21 36 21.0 o 699
2003-10-27 09:47:02 C 07 45 05.52 +21 36 51.1 o 699
2003-10-28 13:58:40 C 07 44 03.39 +22 23 37.5 19.6 c 608
2003-10-28 14:14:35 C 07 44 02.70 +22 24 03.4 20.0 c 608
2003-10-28 14:29:56 C 07 44 02.09 +22 24 28.8 20.8 c 608
2003-10-29 09:20:51 C 07 43 17.30 +22 56 03.2 18.7 c 704
2003-10-29 09:40:18 C 07 43 16.45 +22 56 35.8 18.1 c 704
2003-10-29 09:57:48 C 07 43 15.67 +22 57 05.5 18.7 c 704
2003-10-29 10:15:45 C 07 43 14.88 +22 57 35.6 18.3 c 704
2003-10-29 10:33:43 C 07 43 14.10 +22 58 06.2 18.4 c 704
2003-11-02 09:34:30 C 07 38 41.48 +25 41 31.0 19.0 c 704
2003-11-02 09:52:18 C 07 38 40.41 +25 42 03.1 19.0 c 704
2003-11-02 10:10:10 C 07 38 39.37 +25 42 34.7 19.0 c 704
2003-11-02 10:27:58 C 07 38 38.27 +25 43 05.6 18.5 c 704
2003-11-20 10:50:30 C 06 57 49.37 +38 48 07.3 18.4 c 704
2003-11-20 11:18:43 C 06 57 45.43 +38 48 59.6 18.9 c 704
2003-11-20 11:41:24 C 06 57 42.12 +38 49 35.8 19.3 c 704
2003-11-20 12:09:04 C 06 57 38.20 +38 50 23.7 19.4 c 704
2003-12-04 06:48:22 C 06 01 32.88 +46 55 12.8 18.1 c 704
2003-12-04 07:04:56 C 06 01 29.59 +46 55 31.3 18.6 c 704
2003-12-04 07:21:27 C 06 01 26.36 +46 55 49.4 19.2 c 704
2003-12-04 07:37:50 C 06 01 23.12 +46 56 07.4 19.0 c 704
2003-12-04 07:55:50 C 06 01 19.64 +46 56 26.9 19.5 c 704
2005-04-06 21:06:08 C 13 30 22.70 +69 31 38.1 c A83
2005-04-06 21:11:36 C 13 30 21.79 +69 31 40.8 c A83
2005-04-06 21:38:31 C 13 30 15.77 +69 31 49.4 c A83
2005-10-12 10:13:22 C 07 48 04.54 +18 21 08.8 c 691
2005-10-12 10:17:17 C 07 48 04.47 +18 21 13.1 19.8 c 704
2005-10-12 10:31:17 C 07 48 04.70 +18 21 30.6 c 691
2005-10-12 10:33:40 C 07 48 04.68 +18 21 32.7 19.7 c 704
2005-10-12 10:49:14 C 07 48 04.86 +18 21 52.7 c 691
2005-10-12 10:49:41 C 07 48 04.91 +18 21 53.7 19.7 c 704
2005-10-12 11:05:34 C 07 48 04.96 +18 22 12.3 19.2 c 704
2005-10-26 11:15:03 C 07 47 25.15 +25 46 18.0 r 703
2005-10-26 11:25:07 C 07 47 24.93 +25 46 32.7 r 703
2005-10-26 11:35:09 C 07 47 24.68 +25 46 47.1 r 703
2005-10-26 11:45:16 C 07 47 24.54 +25 47 01.5 r 703
2005-10-27 10:11:02 C 07 46 59.31 +26 19 19.6 o 699
2005-10-27 10:42:40 C 07 46 58.63 +26 20 04.6 o 699
2005-10-27 11:14:18 C 07 46 57.95 +26 20 51.3 o 699
2005-10-27 11:45:59 C 07 46 57.20 +26 21 37.2 o 699
2005-11-02 09:56:26 C 07 42 48.32 +29 54 22.5 19.6 c 704
2005-11-02 10:13:48 C 07 42 47.63 +29 54 49.2 18.7 c 704
2005-11-02 10:31:04 C 07 42 46.93 +29 55 16.9 18.9 c 704