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
2005-01-19 12:21:48 C 11 30 12.800 +25 38 02.99 n 645
2005-01-19 12:26:35 C 11 30 12.779 +25 38 06.51 n 645
2005-09-04 15:11:17 C 06 20 22.86 +17 02 57.6 t 568
2005-09-04 15:12:49 C 06 20 22.94 +17 02 57.8 t 568
2007-11-16 07:24:30 C 04 49 42.27 +09 13 10.5 r 703
2007-11-16 07:29:52 C 04 49 41.66 +09 13 11.6 r 703
2007-11-16 07:40:36 C 04 49 40.11 +09 13 15.5 r 703
2007-11-16 09:30:09 C 04 49 24.41 +09 13 49.5 r 703
2007-11-16 09:31:33 C 04 49 24.24 +09 13 48.9 r 703
2007-11-16 09:33:00 C 04 49 24.03 +09 13 50.4 r 703
2007-11-16 09:34:24 C 04 49 23.89 +09 13 51.2 r 703
2007-11-16 09:56:01 C 04 49 20.82 +09 13 57.5 r G96
2007-11-16 09:56:49 C 04 49 20.71 +09 13 57.6 r G96
2007-11-16 09:57:35 C 04 49 20.56 +09 13 57.7 r G96
2007-11-16 09:58:21 C 04 49 20.46 +09 13 57.9 r G96
2007-11-16 10:36:03 C 04 49 15.13 +09 14 09.5 r G96
2007-11-16 10:36:40 C 04 49 15.06 +09 14 09.6 r G96
2007-11-16 10:37:17 C 04 49 14.95 +09 14 09.9 r G96
2007-11-16 10:37:54 C 04 49 14.88 +09 14 10.0 r G96
2007-11-17 01:05:02 C 04 47 15.12 +09 18 38.3 r 176
2007-11-17 01:07:16 C 04 47 14.83 +09 18 39.4 r 176
2007-11-17 01:09:31 C 04 47 14.47 +09 18 40.2 r 176
2007-11-17 01:11:46 C 04 47 14.12 +09 18 40.8 r 176
2007-11-17 01:14:00 C 04 47 13.83 +09 18 41.2 r 176
2007-11-18 09:05:11 C 04 42 51.41 +09 28 32.3 o 689
2007-11-18 09:09:52 C 04 42 50.84 +09 28 34.0 o 689
2007-11-18 09:14:32 C 04 42 50.27 +09 28 34.6 o 689
2007-11-19 09:22:28 C 04 39 34.02 +09 35 59.7 o 689
2007-11-19 09:27:06 C 04 39 33.40 +09 36 01.0 o 689
2007-11-19 09:31:43 C 04 39 32.77 +09 36 02.5 o 689
2007-11-27 07:25:42 C 04 15 34.53 +10 32 28.8 o H55
2007-11-27 07:32:00 C 04 15 33.76 +10 32 30.9 o H55
2007-11-27 07:38:32 C 04 15 33.00 +10 32 32.9 o H55
2007-12-03 06:12:10 C 04 00 09.35 +11 12 39.1 r 448
2007-12-03 06:38:50 C 04 00 06.61 +11 12 46.5 r 448
2007-12-03 07:06:08 C 04 00 03.84 +11 12 53.9 r 448
2007-12-04 03:46:42 C 03 58 03.05 +11 18 33.5 o 715
2007-12-04 03:56:26 C 03 58 02.12 +11 18 36.4 o 715
2007-12-04 04:06:10 C 03 58 01.13 +11 18 39.2 o 715
2007-12-16 05:39:06 C 03 35 31.46 +12 35 20.2 o 696
2007-12-16 06:16:26 C 03 35 29.19 +12 35 29.7 o 696
2007-12-18 02:00:36 C 03 33 01.16 +12 46 47.9 o 715
2007-12-18 02:24:55 C 03 32 59.81 +12 46 54.3 o 715
2007-12-18 02:50:40 C 03 32 58.38 +12 47 00.9 o 715
2009-11-18 10:55:05 C 21 33 34.06 -39 56 32.1 r E12
2009-11-18 11:05:04 C 21 33 38.98 -39 56 05.5 r E12
2009-11-19 10:22:29 C 21 44 59.21 -38 53 06.4 r E12
2009-11-19 10:32:32 C 21 45 03.94 -38 52 38.6 r E12
2017-12-20 09:47:03 C 11 45 53.46 +17 20 58.8 o 291
2017-12-20 10:12:01 C 11 45 54.83 +17 21 01.7 o 291