518771 (2009 WL1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3346816409 ± 5.05e-08
Semi-major axis (a)1.7863789503 AU ± 3.18e-09
Inclination (i)29.01946320° ± 6.23e-06
Long. of Asc. Node (Ω)64.98337555° ± 4.54e-06
Arg. of Perihelion (ω)323.06174134° ± 1.22e-05
Mean Anomaly (M)273.26831701° ± 1.31e-05
Mean Motion (n)0.4128115951°/day ± 1.10e-09
Perihelion dist (q)1.18851071 AU ± 9.02e-08
Aphelion dist (Q)2.38424719 AU ± 9.03e-08
Orbital Period2.38759351 yr ± 6.38e-09
Physical Parameters
H (abs. magnitude)18.52
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.248″
Uncertainty0
Orbit TypeAmor
MOID0.249138 AU
Observations Used258
Oppositions9
Arc Total2009-2025
First Observation Used2009-11-17
Last Observation Used2025-06-18
Observations (275)
Date Type RA Dec Mag Band Observatory
2009-11-17 09:05:43 C 06 57 16.35 +27 03 21.4 18.2 c 704
2009-11-17 09:24:10 C 06 57 15.99 +27 04 24.1 18.2 c 704
2009-11-17 09:42:04 C 06 57 15.75 +27 05 24.8 18.4 c 704
2009-11-17 09:59:58 C 06 57 15.39 +27 06 26.4 18.2 c 704
2009-11-17 10:17:52 C 06 57 15.03 +27 07 27.3 18.3 c 704
2009-11-18 00:31:39 C 06 57 04.47 +27 55 45.9 r 114
2009-11-18 00:34:23 C 06 57 04.41 +27 55 54.4 r 114
2009-11-18 00:37:03 C 06 57 04.35 +27 56 04.4 r 114
2009-11-18 00:39:47 C 06 57 04.32 +27 56 13.0 r 114
2009-11-18 00:42:21 C 06 57 04.24 +27 56 22.2 r 114
2009-11-18 00:56:31 C 06 57 04.71 +27 57 08.5 v 204
2009-11-18 01:01:03 C 06 57 04.62 +27 57 24.0 v 204
2009-11-18 01:05:35 C 06 57 04.53 +27 57 39.6 v 204
2009-11-18 01:56:39 C 06 57 03.24 +28 00 35.8 c A79
2009-11-18 02:02:36 C 06 57 03.13 +28 00 56.2 c A79
2009-11-18 02:08:23 C 06 57 03.02 +28 01 16.0 c A79
2009-11-18 07:14:21 C 06 57 00.06 +28 18 40.4 c G92
2009-11-18 07:31:56 C 06 56 59.75 +28 19 40.7 c G92
2009-11-18 07:49:31 C 06 56 59.06 +28 20 46.4 c G92
2009-11-18 09:24:14 C 06 56 57.56 +28 26 07.9 o 673
2009-11-18 09:33:08 C 06 56 57.42 +28 26 36.0 o 673
2009-11-18 09:43:07 C 06 56 57.20 +28 27 11.5 o 673
2009-11-18 09:54:23 C 06 56 56.95 +28 27 47.8 o 673
2009-11-18 10:30:33 C 06 56 55.88 +28 29 52.6 17.7 c 704
2009-11-18 10:36:40 C 06 56 55.76 +28 30 13.1 o H01
2009-11-18 10:41:36 C 06 56 55.65 +28 30 29.8 o H01
2009-11-18 10:48:31 C 06 56 55.49 +28 30 53.7 18.2 c 704
2009-11-18 10:50:28 C 06 56 55.46 +28 31 00.1 o H01
2009-11-18 10:59:46 C 06 56 55.26 +28 31 31.8 o H01
2009-11-18 11:06:36 C 06 56 55.12 +28 31 55.2 17.9 c 704
2009-11-18 11:42:35 C 06 56 54.33 +28 33 57.9 17.9 c 704
2009-11-18 12:11:17 C 06 56 53.80 +28 35 36.1 c 926
2009-11-18 12:13:09 C 06 56 53.76 +28 35 42.5 c 926
2009-11-18 12:15:02 C 06 56 53.72 +28 35 48.9 c 926
2009-11-20 08:15:44 C 06 56 04.96 +31 06 35.8 r 448
2009-11-20 08:16:45 C 06 56 04.89 +31 06 39.8 r 448
2009-11-20 08:17:46 C 06 56 04.93 +31 06 44.0 r 448
2009-11-20 08:30:15 C 06 56 04.49 +31 07 26.1 r 448
2009-11-20 09:53:00 C 06 56 01.55 +31 12 08.0 o H21
2009-11-20 09:55:35 C 06 56 01.47 +31 12 16.9 o H21
2009-11-20 10:04:23 C 06 56 01.22 +31 12 47.0 o H21
2009-11-21 04:25:58 C 06 55 35.70 +32 15 44.3 o H26
2009-11-21 04:28:22 C 06 55 35.63 +32 15 53.1 o H26
2009-11-21 04:30:39 C 06 55 35.58 +32 16 01.2 o H26
2009-11-21 04:32:58 C 06 55 35.52 +32 16 08.7 o H26
2009-11-21 04:35:17 C 06 55 35.40 +32 16 15.8 o H26
2009-11-21 04:37:37 C 06 55 35.30 +32 16 23.9 o H26
2009-11-21 09:44:19 C 06 55 25.52 +32 34 04.8 o H21
2009-11-21 09:51:52 C 06 55 25.27 +32 34 30.5 o H21
2009-11-21 09:56:35 C 06 55 25.11 +32 34 46.9 o H21