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
2022-11-15 04:22:27 C 02 00 35.791 -24 18 54.79 V W68
2022-11-15 04:26:28 C 02 00 35.575 -24 18 38.74 V W68
2022-11-15 04:34:10 C 02 00 35.143 -24 18 07.67 V W68
2022-11-15 20:43:52 C 01 59 50.405 -23 14 54.42 V M22
2022-11-15 20:47:49 C 01 59 50.172 -23 14 39.41 V M22
2022-11-15 20:52:25 C 01 59 49.961 -23 14 22.06 V M22
2022-11-15 21:02:05 C 01 59 49.452 -23 13 45.05 V M22
2022-11-16 05:35:20 C 01 59 27.071 -22 41 48.26 V 703
2022-11-16 05:42:57 C 01 59 26.704 -22 41 20.36 V 703
2022-11-16 05:50:34 C 01 59 26.340 -22 40 51.74 V 703
2022-11-16 05:58:10 C 01 59 25.919 -22 40 23.48 V 703
2022-11-16 21:25:06 C 01 58 47.916 -21 43 21.43 V M22
2022-11-16 21:30:26 C 01 58 47.698 -21 43 02.21 V M22
2022-11-16 21:48:05 C 01 58 46.867 -21 41 58.96 V M22
2022-11-16 21:55:53 C 01 58 46.493 -21 41 30.70 V M22
2022-11-17 08:04:03 C 01 58 24.082 -21 05 58.60 U F51
2022-11-17 08:20:09 C 01 58 23.371 -21 05 02.42 U F51
2022-11-17 08:36:17 C 01 58 22.661 -21 04 06.15 U F51
2022-11-18 03:36:56 C 01 57 42.564 -19 58 57.47 V W68
2022-11-18 03:53:29 C 01 57 41.914 -19 58 02.21 V W68
2022-11-18 03:58:06 C 01 57 41.724 -19 57 46.62 V W68
2022-11-18 04:06:40 C 01 57 41.398 -19 57 18.86 V W68
2022-11-19 06:10:23 C 01 56 53.858 -18 33 46.87 V 703
2022-11-19 06:16:03 C 01 56 53.700 -18 33 29.34 V 703
2022-11-19 06:21:43 C 01 56 53.412 -18 33 11.77 V 703
2022-11-19 06:27:22 C 01 56 53.290 -18 32 54.46 V 703
2022-11-19 08:26:49 C 01 56 50.324 -18 26 39.96 U F51
2022-11-19 08:42:39 C 01 56 49.778 -18 25 50.90 U F51
2022-11-19 09:14:15 C 01 56 48.694 -18 24 12.88 U F51
2022-11-19 21:39:17 C 01 56 28.786 -17 46 01.13 V M22
2022-11-19 21:43:50 C 01 56 28.637 -17 45 47.92 V M22
2022-11-19 21:51:38 C 01 56 28.387 -17 45 24.26 V M22
2022-11-19 22:25:01 C 01 56 27.338 -17 43 43.54 V M22
2022-11-22 03:52:34 C 01 55 18.660 -15 13 06.60 V W68
2022-11-22 03:57:07 C 01 55 18.538 -15 12 54.58 V W68
2022-11-22 04:05:00 C 01 55 18.394 -15 12 33.91 V W68
2022-11-22 04:26:20 C 01 55 17.899 -15 11 37.82 V W68
2022-11-24 02:53:32 C 01 54 37.610 -13 14 53.48 V W68
2022-11-24 02:58:05 C 01 54 37.550 -13 14 43.15 V W68
2022-11-24 03:05:54 C 01 54 37.402 -13 14 24.14 V W68
2022-11-24 03:21:31 C 01 54 37.205 -13 13 47.64 V W68
2022-11-24 06:58:01 C 01 54 35.320 -13 05 29.02 U F51
2022-11-24 07:14:14 C 01 54 35.051 -13 04 50.67 U F51
2022-11-24 07:30:27 C 01 54 34.787 -13 04 12.37 U F51
2022-11-25 05:39:18 C 01 54 20.984 -12 13 05.09 V 703
2022-11-25 05:46:52 C 01 54 20.977 -12 12 48.46 V 703
2022-11-25 05:54:26 C 01 54 20.866 -12 12 30.67 V 703
2022-11-25 06:02:00 C 01 54 20.768 -12 12 14.36 V 703
2022-11-25 07:57:19 C 01 54 20.107 -12 07 50.92 V T05
2022-11-25 08:12:44 C 01 54 19.882 -12 07 16.50 V T05