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
2022-01-23 09:10:37 C 09 10 14.459 +72 34 31.49 U F52
2022-01-24 10:19:53 C 09 06 38.840 +72 41 49.25 U F52
2022-01-24 10:34:36 C 09 06 36.634 +72 41 53.19 U F52
2022-01-24 10:49:20 C 09 06 34.333 +72 41 57.25 U F52
2022-02-10 05:32:32 C 08 15 47.240 +72 12 05.80 U F52
2022-02-10 05:51:57 C 08 15 45.404 +72 11 59.43 U F52
2022-02-10 06:11:12 C 08 15 43.539 +72 11 53.13 U F52
2022-02-10 06:30:29 C 08 15 41.727 +72 11 46.78 U F52
2023-06-16 01:10:34 C 16 26 35.48 -35 33 08.3 u 807
2023-06-16 01:20:02 C 16 26 34.63 -35 33 13.9 u 807
2023-06-16 01:29:29 C 16 26 33.76 -35 33 18.7 u 807
2025-03-28 14:22:26 C 15 20 32.362 +10 32 22.15 X F51
2025-03-28 14:36:12 C 15 20 31.869 +10 32 24.49 X F51
2025-03-28 14:49:48 C 15 20 31.372 +10 32 27.11 X F51
2025-03-28 15:03:32 C 15 20 30.887 +10 32 29.66 X F51
2025-05-04 07:45:17 C 14 31 40.128 +11 13 12.32 X F52
2025-05-04 08:00:50 C 14 31 39.098 +11 13 10.15 X F52
2025-05-04 08:16:21 C 14 31 38.056 +11 13 07.25 X F52
2025-05-04 08:31:56 C 14 31 37.026 +11 13 05.16 X F52
2025-05-27 06:31:19 C 14 00 07.972 +08 27 29.82 X F52
2025-05-27 06:46:56 C 14 00 07.257 +08 27 23.26 X F52
2025-05-27 07:02:37 C 14 00 06.509 +08 27 16.38 X F52
2025-05-27 07:18:21 C 14 00 05.787 +08 27 09.86 X F52
2025-06-18 15:40:07 C 13 44 11.215 +04 02 46.17 W O18
2025-06-18 16:55:21 C 13 44 10.081 +04 02 05.38 W O18