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
2022-11-25 08:30:30 C 01 54 19.661 -12 06 36.79 V T05
2022-11-25 08:39:13 C 01 54 19.483 -12 06 17.35 V T05
2022-11-28 03:19:41 C 01 53 58.937 -09 46 06.38 V W68
2022-11-28 03:25:31 C 01 53 58.891 -09 45 54.47 V W68
2022-11-28 03:34:36 C 01 53 58.795 -09 45 37.01 V W68
2022-11-28 03:52:48 C 01 53 58.721 -09 45 01.48 V W68
2022-11-28 05:47:10 C 01 53 58.628 -09 41 34.84 V 703
2022-11-28 05:54:41 C 01 53 58.607 -09 41 21.19 V 703
2022-11-28 06:02:12 C 01 53 58.643 -09 41 06.00 V 703
2022-11-28 06:09:42 C 01 53 58.632 -09 40 52.00 V 703
2022-12-01 03:04:48 C 01 54 04.165 -07 34 32.66 V 703
2022-12-01 03:12:34 C 01 54 04.212 -07 34 19.06 V 703
2022-12-01 03:28:06 C 01 54 04.223 -07 33 52.09 V 703
2022-12-10 05:14:23 C 01 56 28.597 -02 18 44.03 V G96
2022-12-10 05:22:33 C 01 56 28.727 -02 18 34.16 V G96
2022-12-10 05:30:42 C 01 56 28.824 -02 18 24.26 V G96
2022-12-10 05:38:52 C 01 56 28.950 -02 18 14.15 V G96