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
2016-11-29 05:11:06 C 23 00 49.352 -36 26 05.17 L F51
2016-11-29 05:24:05 C 23 00 50.830 -36 25 34.34 L F51
2016-11-29 05:37:04 C 23 00 52.292 -36 25 03.46 L F51
2017-01-30 03:01:15 C 01 35 30.01 +18 31 46.3 q G96
2017-01-30 03:07:24 C 01 35 30.66 +18 31 56.2 q G96
2017-01-30 03:18:23 C 01 35 31.83 +18 32 14.0 q G96
2017-01-30 03:24:39 C 01 35 32.52 +18 32 23.5 q G96
2018-04-11 07:50:57 C 16 06 12.43 -03 03 00.2 u H21
2018-04-11 08:03:13 C 16 06 12.00 -03 03 00.4 u H21
2018-04-11 08:10:31 C 16 06 11.76 -03 03 00.6 u H21
2018-05-14 08:29:41 C 15 21 49.10 -04 31 51.2 U G96
2018-05-14 08:37:07 C 15 21 48.69 -04 31 52.8 U G96
2018-05-14 08:44:34 C 15 21 48.11 -04 31 54.4 U G96
2018-05-14 08:52:02 C 15 21 47.55 -04 31 56.4 U G96
2020-03-01 09:27:56 C 14 27 05.72 +27 59 17.9 u H21
2020-03-01 09:42:38 C 14 27 05.39 +27 59 24.1 u H21
2020-03-01 09:55:38 C 14 27 05.05 +27 59 29.8 u H21
2020-04-15 03:57:59 C 13 29 00.05 +31 58 21.1 u H21
2020-04-15 04:07:38 C 13 28 59.38 +31 58 19.0 u H21
2020-04-15 04:15:32 C 13 28 58.85 +31 58 17.4 u H21
2020-04-15 04:19:56 C 13 28 58.55 +31 58 16.7 u H21
2021-10-16 20:53:32 C 07 44 07.41 +17 38 38.4 V D29
2021-10-16 21:08:48 C 07 44 09.05 +17 38 58.6 V D29
2021-10-16 21:24:04 C 07 44 10.60 +17 39 16.7 V D29
2021-11-05 11:42:49 C 08 34 49.70 +28 45 16.1 V G96
2021-11-05 11:51:24 C 08 34 50.56 +28 45 29.1 V G96
2021-11-05 11:58:54 C 08 34 51.33 +28 45 40.6 V G96
2021-11-05 12:06:26 C 08 34 52.08 +28 45 52.4 V G96
2021-11-06 09:08:29 C 08 37 04.24 +29 18 25.2 V 703
2021-11-06 09:17:27 C 08 37 05.29 +29 18 39.4 V 703
2021-11-06 09:25:22 C 08 37 06.05 +29 18 52.5 V 703
2021-11-06 09:33:17 C 08 37 06.86 +29 19 05.0 V 703
2021-11-09 13:10:02 C 08 44 55.527 +31 18 10.26 U F52
2021-11-09 13:27:29 C 08 44 57.257 +31 18 38.29 U F52
2021-11-09 14:02:18 C 08 45 00.703 +31 19 34.29 U F52
2021-11-15 10:06:33 C 08 59 06.26 +35 07 22.8 V 703
2021-11-15 10:14:45 C 08 59 07.05 +35 07 36.9 V 703
2021-11-15 10:31:10 C 08 59 08.67 +35 08 03.3 V 703
2021-11-17 09:01:32 C 09 03 41.81 +36 25 34.6 V G96
2021-11-17 09:09:02 C 09 03 42.50 +36 25 47.5 V G96
2021-11-17 09:16:32 C 09 03 43.22 +36 26 00.2 V G96
2021-11-17 09:24:02 C 09 03 43.94 +36 26 12.8 V G96
2021-11-17 19:44:05 C 09 04 43.63 +36 43 34.6 V D29
2021-11-17 19:59:07 C 09 04 45.08 +36 44 00.9 V D29
2021-11-17 20:14:09 C 09 04 46.53 +36 44 25.6 V D29
2021-11-18 13:55:28 C 09 06 28.836 +37 14 14.24 U F52
2021-11-18 14:25:53 C 09 06 31.632 +37 15 05.93 U F52
2021-11-18 14:41:09 C 09 06 33.072 +37 15 32.43 U F52
2021-11-18 19:18:12 C 09 06 59.77 +37 23 16.2 V D29
2021-11-18 19:27:54 C 09 07 00.72 +37 23 32.5 V D29