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
2020-04-22 06:11:01 C 07 59 57.365 +37 49 58.45 U F52
2020-04-22 06:27:07 C 07 59 57.575 +37 49 52.80 U F52
2020-04-22 06:43:14 C 07 59 57.752 +37 49 46.96 U F52
2020-11-14 08:32:24 C 05 35 08.65 +15 36 01.9 V G96
2020-11-14 08:39:45 C 05 35 07.86 +15 36 03.3 V G96
2020-11-14 08:47:08 C 05 35 07.06 +15 36 04.5 V G96
2020-11-23 08:53:15 C 05 11 55.04 +16 15 46.4 V G96
2020-11-23 09:00:37 C 05 11 54.21 +16 15 47.8 V G96
2020-11-23 09:07:59 C 05 11 53.41 +16 15 49.0 V G96
2020-11-23 09:15:19 C 05 11 52.59 +16 15 50.2 V G96
2022-10-26 00:47:37 C 06 49 28.687 -78 49 54.59 V M22
2022-10-26 01:18:09 C 06 47 39.557 -78 48 49.75 V M22
2022-10-26 01:43:38 C 06 46 08.606 -78 47 53.52 V M22
2022-10-26 02:32:59 C 06 43 12.394 -78 45 59.47 V M22
2022-10-28 07:12:52 C 04 25 12.247 -73 51 57.85 V W68
2022-10-28 07:17:26 C 04 25 04.188 -73 51 22.72 V W68
2022-10-28 07:28:36 C 04 24 44.328 -73 49 55.16 V W68
2022-10-28 08:17:49 C 04 23 17.765 -73 43 28.42 V W68
2022-10-29 09:30:33 S 03 47 46.114 -70 13 10.52 L C51
2022-10-30 00:23:57 C 03 32 13.536 -68 02 17.38 V M22
2022-10-30 00:55:17 C 03 31 43.440 -67 57 34.85 V M22
2022-10-30 01:00:35 C 03 31 38.424 -67 56 47.33 V M22
2022-10-30 01:12:43 C 03 31 26.846 -67 54 57.85 V M22
2022-11-01 06:52:20 C 02 55 31.555 -59 50 02.04 V W68
2022-11-01 07:00:27 C 02 55 27.492 -59 48 48.67 V W68
2022-11-01 07:07:15 C 02 55 24.060 -59 47 47.44 V W68
2022-11-01 07:50:47 C 02 55 02.597 -59 41 14.39 V W68
2022-11-05 04:26:10 C 02 25 52.476 -46 50 05.71 V W68
2022-11-05 04:31:28 C 02 25 51.317 -46 49 25.00 V W68
2022-11-05 04:43:33 C 02 25 48.646 -46 47 53.56 V W68
2022-11-05 04:57:14 C 02 25 45.619 -46 46 09.41 V W68
2022-11-11 22:02:58 C 02 05 22.903 -30 07 24.85 V M22
2022-11-11 22:10:07 C 02 05 22.325 -30 06 49.50 V M22
2022-11-11 22:27:54 C 02 05 20.832 -30 05 21.19 V M22
2022-11-12 08:46:24 C 02 04 36.612 -29 15 36.04 U F51
2022-11-12 09:02:08 C 02 04 35.358 -29 14 20.57 U F51
2022-11-12 09:17:51 C 02 04 34.098 -29 13 05.06 U F51
2022-11-12 09:33:36 C 02 04 32.843 -29 11 49.74 U F51
2022-11-12 20:03:33 C 02 03 50.575 -28 21 50.83 V M22
2022-11-12 20:05:30 C 02 03 50.419 -28 21 43.16 V M22
2022-11-12 20:09:32 C 02 03 50.148 -28 21 23.69 V M22
2022-11-12 20:16:44 C 02 03 49.606 -28 20 50.64 V M22
2022-11-13 06:09:22 C 02 03 10.706 -27 36 00.22 V 703
2022-11-13 06:16:59 C 02 03 10.181 -27 35 25.58 V 703
2022-11-13 06:24:36 C 02 03 09.666 -27 34 50.70 V 703
2022-11-14 04:14:27 C 02 01 51.732 -25 58 32.16 V W68
2022-11-14 04:18:59 C 02 01 51.434 -25 58 12.97 V W68
2022-11-14 04:28:43 C 02 01 50.822 -25 57 31.10 V W68
2022-11-14 04:42:49 C 02 01 49.930 -25 56 31.20 V W68
2022-11-15 03:39:20 C 02 00 38.244 -24 21 47.12 V W68