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
2025-11-24 13:52:54 C 08 58 11.927 +50 59 29.24 X F52
2025-11-26 08:16:18 C 08 57 41.713 +51 40 36.52 V G96
2025-11-26 08:26:26 C 08 57 41.548 +51 40 46.81 V G96
2025-11-26 08:33:16 C 08 57 41.461 +51 40 53.33 V G96
2025-11-26 08:40:05 C 08 57 41.296 +51 41 00.10 V G96
2025-11-29 18:35:30 C 08 56 07.339 +53 01 43.23 W O18
2025-11-29 19:42:38 C 08 56 05.622 +53 02 50.71 W O18
2025-12-01 10:27:58 C 08 55 03.990 +53 41 26.01 X F52
2025-12-01 10:48:24 C 08 55 03.385 +53 41 46.82 X F52
2025-12-01 11:08:33 C 08 55 02.760 +53 42 07.21 X F52
2025-12-01 11:28:45 C 08 55 02.133 +53 42 27.64 X F52
2025-12-01 11:42:39 C 08 55 01.716 +53 42 41.49 X F51
2025-12-01 12:03:28 C 08 55 01.038 +53 43 02.61 X F51
2025-12-01 12:24:22 C 08 55 00.396 +53 43 23.66 X F51
2025-12-02 10:04:04 C 08 54 20.663 +54 05 00.53 X F52
2025-12-02 10:24:55 C 08 54 19.983 +54 05 21.56 X F52
2025-12-02 10:45:27 C 08 54 19.286 +54 05 42.64 X F52
2025-12-03 11:09:26 C 08 53 29.614 +54 30 08.00 X F52
2025-12-03 11:30:42 C 08 53 28.841 +54 30 29.51 X F52
2025-12-03 11:51:33 C 08 53 28.038 +54 30 50.63 X F52
2025-12-09 19:31:42 C 08 46 24.481 +57 02 11.12 W O18
2025-12-09 20:19:21 C 08 46 21.612 +57 02 58.69 W O18
2025-12-20 09:49:38 C 08 26 13.218 +61 00 40.28 V V00
2025-12-20 10:00:24 C 08 26 12.088 +61 00 49.61 V V00
2025-12-20 10:11:08 C 08 26 10.972 +61 00 58.93 V V00
2025-12-20 10:21:52 C 08 26 09.838 +61 01 08.18 V V00
2026-01-26 08:00:34 C 06 21 04.894 +65 57 18.28 X F52
2026-01-26 08:20:11 C 06 21 02.431 +65 57 14.22 X F52
2026-01-26 08:39:22 C 06 21 00.081 +65 57 10.22 X F52
2026-01-26 08:58:45 C 06 20 57.655 +65 57 06.22 X F52