509821 (2008 WQ63)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6071341496 ± 2.71e-08
Semi-major axis (a)1.7334909837 AU ± 1.14e-09
Inclination (i)0.91742126° ± 5.63e-06
Long. of Asc. Node (Ω)317.06674633° ± 2.69e-04
Arg. of Perihelion (ω)229.03830189° ± 2.69e-04
Mean Anomaly (M)121.28344269° ± 2.56e-06
Mean Motion (n)0.4318469886°/day ± 4.26e-10
Perihelion dist (q)0.68102941 AU ± 4.69e-08
Aphelion dist (Q)2.78595256 AU ± 4.70e-08
Orbital Period2.28235072 yr ± 2.25e-09
Physical Parameters
H (abs. magnitude)20.18
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.337″
Uncertainty0
Orbit TypeApollo
MOID0.007958 AU
Observations Used227
Oppositions13
Arc Total2002-2025
First Observation Used2002-07-18
Last Observation Used2025-07-29
Observations (234)
Date Type RA Dec Mag Band Observatory
2018-08-08 09:12:25 C 20 24 28.600 -19 34 33.08 U F51
2018-08-08 09:26:26 C 20 24 27.523 -19 34 35.99 U F51
2024-11-02 13:22:02 C 07 04 13.788 +24 15 06.21 X F52
2024-11-02 13:39:12 C 07 04 15.314 +24 15 04.77 X F52
2024-11-02 13:56:25 C 07 04 16.825 +24 15 03.37 X F52
2024-11-29 12:01:32 C 08 21 10.702 +21 49 57.63 X F52
2024-11-29 12:15:14 C 08 21 12.957 +21 49 51.37 X F52
2024-11-29 12:28:57 C 08 21 15.208 +21 49 45.10 X F52
2024-12-06 12:32:10 C 08 54 35.437 +20 03 50.80 X F52
2024-12-06 12:51:50 C 08 54 39.878 +20 03 34.70 X F52
2024-12-06 13:11:29 C 08 54 44.322 +20 03 18.48 X F52
2024-12-06 13:31:08 C 08 54 48.759 +20 03 02.28 X F52
2024-12-08 10:02:35 C 09 05 42.828 +19 22 29.17 V 703
2024-12-08 10:09:09 C 09 05 44.488 +19 22 23.99 V 703
2024-12-08 10:12:26 C 09 05 45.337 +19 22 20.10 V 703
2024-12-09 08:44:17 C 09 11 42.407 +18 59 05.68 V 703
2024-12-09 08:47:14 C 09 11 43.091 +18 59 01.50 V 703
2024-12-09 08:50:12 C 09 11 43.926 +18 58 57.65 V 703
2024-12-09 08:53:09 C 09 11 44.772 +18 58 53.98 V 703
2024-12-13 08:33:37 C 09 40 46.376 +16 53 38.69 V G96
2024-12-13 08:41:00 C 09 40 48.846 +16 53 27.60 V G96
2024-12-13 08:48:23 C 09 40 51.301 +16 53 15.86 V G96
2024-12-13 08:55:47 C 09 40 53.767 +16 53 04.16 V G96
2024-12-24 14:54:45 C 11 48 41.606 +04 27 59.51 V T05
2024-12-24 15:04:35 C 11 48 47.482 +04 27 19.98 V T05
2024-12-24 15:19:41 C 11 48 56.450 +04 26 18.49 V T05
2024-12-24 15:59:37 C 11 49 20.342 +04 23 34.58 V T05
2024-12-28 12:01:39 C 12 48 04.781 -02 15 55.08 V 703
2024-12-28 12:04:55 C 12 48 06.847 -02 16 09.12 V 703
2024-12-28 12:08:11 C 12 48 08.989 -02 16 23.34 V 703
2024-12-28 12:11:26 C 12 48 11.106 -02 16 37.81 V 703
2025-07-29 12:14:44 C 22 52 50.784 -06 53 47.36 X F52
2025-07-29 12:31:19 C 22 52 49.750 -06 53 52.91 X F52
2025-07-29 12:47:58 C 22 52 48.756 -06 53 58.80 X F52