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
2009-11-21 09:58:46 C 06 55 25.04 +32 34 54.2 o H21
2009-11-22 04:02:31 C 06 54 55.26 +33 36 49.9 r 932
2009-11-22 04:08:27 C 06 54 55.06 +33 37 10.4 r 932
2009-11-22 04:14:23 C 06 54 54.86 +33 37 31.0 r 932
2009-11-22 04:20:38 C 06 54 54.65 +33 37 52.6 r 932
2009-11-23 07:43:36 C 06 53 59.71 +35 11 44.2 17.5 c 704
2009-11-23 08:01:41 C 06 53 58.90 +35 12 45.9 17.7 c 704
2009-11-23 08:19:45 C 06 53 58.13 +35 13 48.0 17.6 c 704
2009-11-23 08:37:50 C 06 53 57.38 +35 14 50.1 17.9 c 704
2009-11-24 09:25:12 C 06 52 59.90 +36 39 17.2 17.4 c 704
2009-11-24 09:40:14 C 06 52 59.14 +36 40 05.9 r 448
2009-11-24 09:43:18 C 06 52 58.98 +36 40 16.4 r 448
2009-11-24 09:46:22 C 06 52 58.86 +36 40 26.7 r 448
2009-11-24 09:49:28 C 06 52 58.67 +36 40 37.4 r 448
2009-11-24 09:52:32 C 06 52 58.53 +36 40 47.7 r 448
2009-11-24 10:01:37 C 06 52 58.13 +36 41 20.8 17.5 c 704
2009-11-24 10:21:07 C 06 52 57.20 +36 42 26.6 17.6 c 704
2009-11-24 10:39:06 C 06 52 56.31 +36 43 27.3 17.5 c 704
2009-11-24 10:57:12 C 06 52 55.44 +36 44 29.3 17.6 c 704
2009-11-27 06:39:04 C 06 49 42.16 +40 31 11.0 r 703
2009-11-27 06:52:11 C 06 49 41.37 +40 31 55.8 r 703
2009-11-27 07:18:41 C 06 49 39.72 +40 33 23.8 r 703
2009-11-28 07:36:44 C 06 48 14.73 +41 52 54.1 o H21
2009-11-28 07:43:30 C 06 48 14.25 +41 53 16.0 o H21
2009-11-28 07:48:33 C 06 48 13.91 +41 53 32.9 o H21
2009-11-28 07:53:43 C 06 48 13.56 +41 53 49.3 o H21
2009-11-28 07:57:12 C 06 48 13.30 +41 54 01.5 o H21
2009-11-28 19:19:05 C 06 47 32.71 +42 30 30.5 r A13
2009-11-28 19:51:58 C 06 47 30.73 +42 32 17.8 r A13
2009-11-29 07:47:20 C 06 46 43.27 +43 10 46.9 o H21
2009-11-29 07:50:52 C 06 46 43.00 +43 10 58.6 o H21
2009-11-29 07:55:29 C 06 46 42.68 +43 11 12.9 o H21
2009-11-29 07:58:34 C 06 46 42.45 +43 11 22.6 o H21
2009-11-29 08:03:35 C 06 46 42.06 +43 11 38.6 o H21
2009-12-04 07:17:58 C 06 37 16.00 +49 12 40.6 o H21
2009-12-04 07:26:01 C 06 37 15.18 +49 13 03.6 o H21
2009-12-04 07:33:20 C 06 37 14.44 +49 13 24.5 o H21
2009-12-04 11:10:45 C 06 36 52.82 +49 23 36.6 o H36
2009-12-04 11:17:58 C 06 36 52.11 +49 23 56.7 o H36
2009-12-04 11:21:35 C 06 36 51.78 +49 24 07.1 o H36
2009-12-05 06:50:16 C 06 35 01.19 +50 18 35.1 o H21
2009-12-05 06:56:42 C 06 35 00.51 +50 18 53.1 o H21
2009-12-05 07:03:06 C 06 34 59.82 +50 19 10.6 o H21
2009-12-06 08:29:27 C 06 32 24.49 +51 28 08.6 o H21
2009-12-06 08:38:37 C 06 32 23.44 +51 28 32.9 o H21
2009-12-06 08:42:25 C 06 32 23.02 +51 28 43.3 o H21
2009-12-06 08:46:11 C 06 32 22.62 +51 28 52.9 o H21
2009-12-10 08:57:27 C 06 21 17.74 +55 26 56.7 u H45
2009-12-10 08:59:09 C 06 21 17.46 +55 27 00.7 u H45
2009-12-10 09:00:12 C 06 21 17.34 +55 27 03.1 u H45