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
2013-03-12 12:30:01 C 16 23 30.26 +48 27 08.2 q 448
2013-03-26 07:18:56 C 16 41 02.49 +54 27 01.3 o 926
2013-03-26 07:39:16 C 16 41 03.33 +54 27 26.2 o 926
2013-03-26 07:59:35 C 16 41 04.31 +54 27 51.2 o 926
2013-03-31 11:41:21 C 16 46 20.74 +57 03 26.5 u 703
2013-03-31 11:48:42 C 16 46 21.00 +57 03 35.7 u 703
2013-03-31 11:56:03 C 16 46 21.18 +57 03 45.4 u 703
2013-03-31 12:03:24 C 16 46 21.64 +57 03 54.7 u 703
2013-04-14 02:19:26 C 16 55 20.81 +65 11 43.3 c A24
2013-04-14 02:21:31 C 16 55 20.81 +65 11 46.8 c A24
2013-04-14 02:40:42 C 16 55 20.87 +65 12 19.7 c A24
2013-04-14 03:21:39 C 16 55 21.12 +65 13 30.5 c A24
2013-04-14 03:23:44 C 16 55 21.19 +65 13 33.3 c A24
2013-04-15 03:31:14 C 16 55 37.04 +65 55 35.3 c A24
2013-04-15 03:33:19 C 16 55 37.23 +65 55 39.0 c A24
2013-04-24 00:26:59 C 16 53 54.28 +73 01 18.8 r 106
2013-04-24 00:41:52 C 16 53 53.41 +73 01 54.6 r 106
2013-04-24 00:56:45 C 16 53 52.66 +73 02 28.6 r 106
2013-04-24 01:11:38 C 16 53 52.11 +73 03 02.4 r 106
2013-04-24 19:53:46 C 16 53 12.94 +73 46 19.5 q C73
2013-04-24 19:54:55 C 16 53 12.89 +73 46 22.3 q C73
2013-04-24 19:56:05 C 16 53 12.87 +73 46 25.0 q C73
2013-04-24 19:57:14 C 16 53 12.78 +73 46 27.9 q C73
2013-04-24 19:58:23 C 16 53 12.69 +73 46 30.6 q C73
2013-04-24 19:59:33 C 16 53 12.56 +73 46 33.5 q C73
2013-04-24 20:00:42 C 16 53 12.53 +73 46 36.5 q C73
2013-04-24 20:01:52 C 16 53 12.53 +73 46 39.6 q C73
2013-04-24 20:03:02 C 16 53 12.55 +73 46 42.1 q C73
2013-04-24 20:04:11 C 16 53 12.55 +73 46 44.5 q C73
2013-04-24 20:05:21 C 16 53 12.51 +73 46 46.6 q C73
2013-04-24 20:06:31 C 16 53 12.53 +73 46 49.6 q C73
2013-04-24 20:07:40 C 16 53 12.43 +73 46 52.4 q C73
2013-04-24 20:08:50 C 16 53 12.35 +73 46 55.2 q C73
2013-04-24 20:09:24 C 16 53 12.28 +73 46 56.6 q C73
2013-04-29 20:57:27 C 16 43 45.03 +79 00 25.0 u C39
2013-04-29 21:19:54 C 16 43 41.91 +79 01 30.7 u C39
2013-04-29 22:08:22 C 16 43 34.79 +79 03 51.7 u C39
2013-04-30 23:51:38 C 16 39 19.64 +80 19 31.9 q C73
2013-04-30 23:52:48 C 16 39 19.45 +80 19 35.3 q C73
2013-04-30 23:53:57 C 16 39 19.07 +80 19 38.7 q C73
2013-04-30 23:55:07 C 16 39 18.87 +80 19 42.2 q C73
2013-04-30 23:56:17 C 16 39 18.65 +80 19 45.6 q C73
2013-04-30 23:58:37 C 16 39 18.33 +80 19 51.8 q C73
2013-04-30 23:59:46 C 16 39 17.83 +80 19 56.2 q C73
2013-05-01 00:00:56 C 16 39 17.61 +80 19 59.2 q C73
2013-05-01 00:02:05 C 16 39 17.39 +80 20 03.1 q C73
2013-05-01 00:03:15 C 16 39 17.15 +80 20 06.8 q C73
2013-05-01 00:04:25 C 16 39 16.87 +80 20 10.1 q C73
2013-05-01 00:05:34 C 16 39 16.66 +80 20 13.6 q C73
2013-05-01 00:06:44 C 16 39 16.38 +80 20 17.1 q C73