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
1995-12-11 00:16:47 C 03 22 44.53 +29 41 36.9 046
1995-12-11 00:19:09 C 03 22 44.23 +29 41 39.4 046
1995-12-11 00:21:21 C 03 22 43.88 +29 41 42.0 046
1995-12-11 20:02:30 C 03 20 00.76 +30 02 51.3 z 108
1995-12-11 20:12:00 C 03 19 59.44 +30 03 01.6 z 108
1995-12-13 14:15:00 C 03 14 36.50 +30 43 59.3 z 360
1995-12-13 14:19:00 C 03 14 35.97 +30 44 02.9 z 360
1995-12-13 14:27:29 C 03 14 34.93 +30 44 10.3 z 360
1995-12-23 05:21:38 C 02 54 36.36 +33 19 07.3 z 658
1995-12-23 05:28:31 C 02 54 35.95 +33 19 10.7 z 658
1995-12-23 05:33:01 C 02 54 35.67 +33 19 12.9 z 658
1995-12-24 04:50:24 C 02 53 19.15 +33 30 21.6 z 658
1995-12-24 04:54:29 C 02 53 18.94 +33 30 23.5 z 658
1995-12-24 04:59:00 C 02 53 18.68 +33 30 25.6 z 658
1996-01-12 05:50:53 C 02 45 42.43 +35 58 41.4 z 658
1996-01-12 05:55:59 C 02 45 42.47 +35 58 42.6 z 658
1996-01-12 06:00:24 C 02 45 42.51 +35 58 43.6 z 658
1996-01-22 03:46:21 C 02 50 25.08 +36 52 33.0 711
1996-01-22 04:05:26 C 02 50 25.60 +36 52 37.0 711
1996-01-23 03:14:55 C 02 51 05.99 +36 57 33.8 711
1996-01-23 03:33:46 C 02 51 06.50 +36 57 37.7 711
1996-02-09 02:43:31 C 03 07 25.63 +38 20 35.1 711
1996-02-09 03:02:54 C 03 07 26.52 +38 20 39.2 711
1996-02-10 02:34:41 C 03 08 36.09 +38 25 18.7 711
1996-02-11 01:58:17 C 03 09 46.49 +38 29 55.2 711
1996-02-11 02:17:38 C 03 09 47.41 +38 29 59.3 711
1997-02-01 12:20:59 C 13 49 51.39 +55 18 20.7 z 696
1997-02-01 12:26:11 C 13 49 51.71 +55 18 25.6 z 696
1997-02-01 12:31:22 C 13 49 51.62 +55 18 29.3 z 696
1997-03-16 09:18:16 C 12 57 06.72 +69 21 42.9 i 711
1997-03-16 09:32:44 C 12 57 04.07 +69 21 50.6 i 711
1997-10-31 11:15:56 C 07 47 49.66 -03 14 26.6 z 711
1997-10-31 11:22:17 C 07 47 48.52 -03 14 07.7 z 711
1997-11-01 11:24:18 C 07 43 35.67 -02 02 14.9 z 711
1997-11-01 11:29:55 C 07 43 34.64 -02 01 58.1 z 711
1997-11-02 03:30:46 C 07 40 41.63 -01 13 11.1 046
1997-11-02 03:33:06 C 07 40 41.21 -01 13 03.4 046
1997-11-02 03:34:56 C 07 40 40.86 -01 12 57.7 046
1997-11-05 02:01:51 C 07 27 14.85 +02 30 59.0 046
1997-11-05 02:04:42 C 07 27 14.28 +02 31 08.2 046
1997-11-05 02:06:29 C 07 27 13.91 +02 31 14.0 046
1997-11-05 02:08:07 C 07 27 13.59 +02 31 19.3 046
1997-11-06 10:45:00 07 20 34.18 +04 19 32.0 261
1997-11-06 11:25:00 07 20 25.73 +04 21 42.8 261
1997-11-06 17:42:39 C 07 19 06.80 +04 42 52.6 z 381
1997-11-06 17:44:50 C 07 19 06.32 +04 43 00.4 z 381
1997-11-06 17:47:07 C 07 19 05.83 +04 43 07.9 z 381
1997-11-09 04:08:11 C 07 06 21.41 +08 02 35.1 557
1997-11-09 04:09:22 C 07 06 21.13 +08 02 39.1 557
1997-11-09 04:11:45 C 07 06 20.59 +08 02 47.1 557