509520 (2007 WB)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7095879005 ± 1.53e-08
Semi-major axis (a)1.6698694730 AU ± 2.94e-09
Inclination (i)13.72386240° ± 4.20e-06
Long. of Asc. Node (Ω)83.02056141° ± 1.67e-05
Arg. of Perihelion (ω)203.81395274° ± 1.79e-05
Mean Anomaly (M)174.22440088° ± 2.42e-06
Mean Motion (n)0.4567604457°/day ± 1.21e-09
Perihelion dist (q)0.48495030 AU ± 2.56e-08
Aphelion dist (Q)2.85478865 AU ± 2.60e-08
Orbital Period2.15786260 yr ± 5.69e-09
Physical Parameters
H (abs. magnitude)18.88
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.257″
Uncertainty0
Orbit TypeApollo
MOID0.187705 AU
Observations Used193
Oppositions9
Arc Total2005-2022
First Observation Used2005-01-19
Last Observation Used2022-12-10
Observations (217)
Date Type RA Dec Mag Band Observatory
2017-12-20 10:36:59 C 11 45 56.12 +17 21 03.3 o 291
2018-01-13 11:10:41 C 12 16 14.77 +19 33 12.4 U G96
2018-01-13 11:18:08 C 12 16 15.09 +19 33 16.4 U G96
2018-01-13 11:25:36 C 12 16 15.46 +19 33 18.5 U G96
2018-01-13 11:33:03 C 12 16 15.83 +19 33 22.9 U G96
2018-01-23 10:03:19 C 12 27 38.06 +21 37 13.3 U G96
2018-01-23 10:10:47 C 12 27 38.40 +21 37 17.6 U G96
2018-01-23 10:18:13 C 12 27 38.73 +21 37 23.2 U G96
2018-01-23 10:25:41 C 12 27 39.07 +21 37 27.8 U G96
2018-01-24 12:05:25 C 12 28 48.96 +21 54 10.0 o 691
2018-01-24 12:19:57 C 12 28 49.61 +21 54 19.7 o 691
2018-01-24 12:34:50 C 12 28 50.25 +21 54 29.9 o 691
2018-02-09 12:14:04 C 12 44 47.949 +27 49 28.46 U F51
2018-02-09 12:30:36 C 12 44 48.519 +27 49 48.56 U F51
2018-02-10 09:04:37 C 12 45 34.11 +28 15 38.7 U G96
2018-02-10 09:12:04 C 12 45 34.33 +28 15 48.5 U G96
2018-02-10 09:19:31 C 12 45 34.62 +28 15 57.7 U G96
2018-02-10 09:26:59 C 12 45 34.86 +28 16 06.9 U G96
2018-03-02 12:26:22 C 12 59 26.365 +43 35 28.52 U F51
2018-03-02 12:43:19 C 12 59 26.553 +43 36 14.34 U F51
2018-03-02 13:00:16 C 12 59 26.752 +43 37 00.09 U F51
2018-03-02 13:17:16 C 12 59 26.970 +43 37 46.04 U F51
2018-03-05 17:58:39 C 13 00 47.10 +47 17 42.0 q D29
2018-03-05 18:34:18 C 13 00 47.42 +47 19 30.3 q D29
2018-03-06 07:53:43 C 13 01 00.14 +48 00 28.7 U 703
2018-03-06 08:01:32 C 13 01 00.19 +48 00 52.3 U 703
2018-03-06 08:09:20 C 13 01 00.18 +48 01 17.0 U 703
2018-03-07 07:40:16 C 13 01 19.90 +49 15 40.8 U G96
2018-03-07 08:02:25 C 13 01 20.02 +49 16 52.8 U G96
2018-03-07 08:10:02 C 13 01 20.06 +49 17 17.4 U G96
2018-03-07 08:17:39 C 13 01 20.10 +49 17 42.1 U G96
2018-03-10 11:39:03 C 13 02 05.29 +53 35 01.0 U 703
2018-03-10 11:46:48 C 13 02 05.28 +53 35 28.0 U 703
2018-03-10 11:54:32 C 13 02 05.31 +53 35 56.5 U 703
2018-03-10 12:02:16 C 13 02 05.27 +53 36 23.7 U 703
2018-03-17 11:27:02 C 13 01 54.72 +65 01 25.6 U T05
2018-03-17 12:20:59 C 13 01 52.94 +65 05 33.3 U T05
2018-03-17 12:23:42 C 13 01 52.96 +65 05 45.8 U T05
2018-03-17 12:37:36 C 13 01 52.34 +65 06 49.6 U T05
2018-03-17 12:53:11 C 13 01 51.91 +65 08 00.3 U T05
2018-03-17 13:11:06 C 13 01 51.37 +65 09 23.0 U T05
2018-03-24 10:06:54 S 12 53 15.95 +79 11 09.1 L C51
2018-03-24 11:40:25 S 12 53 02.94 +79 19 53.5 L C51
2018-03-24 13:15:24 S 12 52 48.12 +79 28 46.5 L C51
2018-03-24 14:49:39 S 12 52 33.60 +79 37 36.2 L C51
2018-03-26 01:22:15 S 12 44 27.73 +82 55 05.1 L C51
2020-01-27 14:26:07 C 10 15 14.042 +32 00 58.88 U F52
2020-01-27 14:44:07 C 10 15 12.868 +32 01 12.23 U F52
2020-01-27 15:02:07 C 10 15 11.739 +32 01 25.89 U F52
2020-04-22 05:54:55 C 07 59 57.160 +37 50 04.00 U F52