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
2022-03-01 05:09:41 C 05 19 29.73 +58 51 06.4 V V00
2023-03-31 09:17:53 C 20 22 20.700 +05 59 35.63 V W68
2023-03-31 09:28:34 C 20 22 23.981 +05 59 19.14 V W68
2023-03-31 09:33:14 C 20 22 25.402 +05 59 12.05 V W68
2023-03-31 09:42:22 C 20 22 28.219 +05 58 57.14 V W68
2023-10-04 10:52:49 C 08 11 50.694 +35 15 30.96 V G96
2023-10-04 10:59:30 C 08 11 50.978 +35 15 34.49 V G96
2023-10-04 11:06:12 C 08 11 51.389 +35 15 38.56 V G96
2023-10-04 11:12:54 C 08 11 51.839 +35 15 42.26 V G96
2023-11-13 10:09:00 C 08 49 10.254 +46 23 13.60 V G96
2023-11-13 10:15:48 C 08 49 10.333 +46 23 19.72 V G96
2023-11-13 10:22:35 C 08 49 10.405 +46 23 25.87 V G96
2023-11-13 10:29:21 C 08 49 10.456 +46 23 31.99 V G96
2023-11-24 12:06:40 C 08 48 44.456 +50 36 49.49 X F51
2023-11-24 12:26:11 C 08 48 44.146 +50 37 09.18 X F51
2023-11-24 13:06:28 C 08 48 43.460 +50 37 49.80 X F51
2023-12-06 14:30:48 C 08 38 55.891 +55 32 22.84 X F51
2023-12-06 15:02:19 C 08 38 54.097 +55 32 54.64 X F51
2023-12-06 15:23:33 C 08 38 52.874 +55 33 16.24 X F51
2023-12-10 06:56:26 C 08 33 30.560 +57 01 31.08 V G96
2023-12-10 07:04:00 C 08 33 30.028 +57 01 39.00 V G96
2023-12-10 07:11:35 C 08 33 29.506 +57 01 46.88 V G96
2023-12-10 07:19:10 C 08 33 28.969 +57 01 54.41 V G96
2023-12-24 11:18:28 C 08 00 04.784 +62 05 56.22 X F52
2023-12-24 11:52:03 C 08 00 00.372 +62 06 21.46 X F52
2023-12-24 12:08:52 C 07 59 58.212 +62 06 33.75 X F52
2024-01-07 11:21:33 C 07 10 24.978 +65 04 05.69 X F52
2024-01-07 11:40:21 C 07 10 21.899 +65 04 11.14 X F52
2024-01-07 11:59:03 C 07 10 18.856 +65 04 16.46 X F52
2025-02-24 14:50:37 C 17 48 35.186 +10 51 56.27 V T05
2025-02-24 14:57:31 C 17 48 36.365 +10 51 51.73 V T05
2025-02-24 15:04:24 C 17 48 37.447 +10 51 47.30 V T05
2025-02-24 15:11:55 C 17 48 38.700 +10 51 42.66 V T05
2025-03-05 08:29:42 C 18 26 15.686 +08 13 21.97 V W68
2025-03-05 08:47:43 C 18 26 19.243 +08 13 06.96 V W68
2025-03-05 08:48:22 C 18 26 19.296 +08 13 05.41 V W68
2025-03-05 09:20:39 C 18 26 25.469 +08 12 37.76 V W68
2025-04-02 09:23:41 C 21 25 33.617 -06 10 09.70 V W68
2025-04-02 09:38:15 C 21 25 38.630 -06 10 30.83 V W68
2025-04-02 09:44:07 C 21 25 40.594 -06 10 37.67 V W68
2025-04-02 09:57:27 C 21 25 45.089 -06 10 58.48 V W68
2025-10-22 19:41:35 C 08 41 08.746 +40 24 27.71 W O18
2025-10-22 22:31:25 C 08 41 16.164 +40 26 17.74 W O18
2025-10-24 11:14:31 C 08 42 52.693 +40 50 03.48 V G96
2025-10-24 11:22:01 C 08 42 53.003 +40 50 09.35 V G96
2025-10-24 11:29:32 C 08 42 53.294 +40 50 14.06 V G96
2025-10-24 11:37:02 C 08 42 53.708 +40 50 20.51 V G96
2025-11-24 12:56:47 C 08 58 12.580 +50 58 34.58 X F52
2025-11-24 13:15:29 C 08 58 12.361 +50 58 52.78 X F52
2025-11-24 13:34:16 C 08 58 12.148 +50 59 11.12 X F52