280244 (2002 WP11)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4414931937 ± 2.83e-08
Semi-major axis (a)2.1250444858 AU ± 1.22e-08
Inclination (i)5.39387899° ± 3.51e-06
Long. of Asc. Node (Ω)267.84208950° ± 3.55e-05
Arg. of Perihelion (ω)56.22795741° ± 3.75e-05
Mean Anomaly (M)199.95068995° ± 2.07e-05
Mean Motion (n)0.3181707393°/day ± 2.74e-09
Perihelion dist (q)1.18685181 AU ± 6.06e-08
Aphelion dist (Q)3.06323716 AU ± 6.27e-08
Orbital Period3.09779047 yr ± 2.67e-08
Physical Parameters
H (abs. magnitude)18.22
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.354″
Uncertainty0
Orbit TypeAmor
MOID0.190781 AU
Observations Used281
Oppositions15
Arc Total2002-2024
First Observation Used2002-11-24
Last Observation Used2024-12-30
Observations (306)
Date Type RA Dec Mag Band Observatory
2005-09-12 01:31:11 C 02 23 19.10 +32 12 35.5 r 084
2005-09-12 01:35:20 C 02 23 19.16 +32 12 36.0 r 084
2005-09-13 23:10:44 C 02 24 19.61 +32 17 41.7 r 084
2005-09-13 23:14:53 C 02 24 19.67 +32 17 42.1 r 084
2005-09-19 20:46:25 C 02 25 50.71 +32 20 36.2 r 084
2005-09-29 08:13:12 C 02 23 32.42 +31 44 01.9 r 703
2005-09-29 08:24:58 C 02 23 32.10 +31 43 58.7 r 703
2005-09-29 08:36:44 C 02 23 31.81 +31 43 55.3 r 703
2005-09-29 08:48:33 C 02 23 31.38 +31 43 52.2 r 703
2005-10-08 23:28:00 C 02 16 30.54 +30 15 25.4 17.8 A70
2005-10-08 23:33:30 C 02 16 30.27 +30 15 22.6 17.4 A70
2005-10-08 23:58:50 C 02 16 29.37 +30 15 10.2 17.2 A70
2005-10-10 07:53:06 C 02 15 17.02 +29 59 31.3 r 703
2005-10-10 08:04:27 C 02 15 16.52 +29 59 25.6 r 703
2005-10-10 08:15:48 C 02 15 16.02 +29 59 19.6 r 703
2005-10-10 08:27:08 C 02 15 15.51 +29 59 14.1 r 703
2005-10-11 21:03:41 C 02 13 50.05 +29 39 58.2 r 084
2005-10-12 19:57:41 C 02 12 55.80 +29 27 33.9 r 240
2005-10-12 20:01:22 C 02 12 55.64 +29 27 31.9 r 240
2005-10-12 20:05:04 C 02 12 55.48 +29 27 29.9 r 240
2005-10-12 20:08:45 C 02 12 55.32 +29 27 28.0 r 240
2005-10-12 20:12:27 C 02 12 55.17 +29 27 26.1 r 240
2005-10-12 20:19:49 C 02 12 54.85 +29 27 22.4 r 240
2005-10-14 06:15:31 C 02 11 32.12 +29 08 28.0 17.7 c 704
2005-10-14 06:31:41 C 02 11 31.41 +29 08 19.0 18.3 c 704
2005-10-14 06:47:55 C 02 11 30.62 +29 08 10.0 18.5 c 704
2005-10-14 07:04:05 C 02 11 29.94 +29 08 00.6 18.7 c 704
2005-10-14 07:20:15 C 02 11 29.16 +29 07 51.2 18.0 c 704
2005-10-15 04:24:35 C 02 10 38.32 +28 55 37.0 o 699
2005-10-15 04:52:11 C 02 10 37.10 +28 55 20.9 o 699
2005-10-15 05:19:47 C 02 10 35.87 +28 55 05.6 o 699
2005-10-23 07:40:12 C 02 02 41.38 +26 53 05.4 r 703
2005-10-23 07:54:27 C 02 02 40.74 +26 52 55.7 r 703
2005-10-23 08:08:38 C 02 02 40.09 +26 52 46.3 r 703
2005-10-23 08:22:50 C 02 02 39.48 +26 52 36.5 r 703
2005-10-25 02:30:12 C 02 01 02.01 +26 24 27.9 r 084
2005-10-26 19:06:07 C 01 59 33.14 +25 57 19.9 r 240
2005-10-26 19:09:49 C 01 59 33.00 +25 57 17.6 r 240
2005-10-26 19:13:30 C 01 59 32.86 +25 57 15.3 r 240
2005-10-26 19:20:53 C 01 59 32.58 +25 57 10.3 r 240
2005-10-26 19:27:02 C 01 59 32.35 +25 57 06.3 r 240
2005-10-26 19:30:44 C 01 59 32.19 +25 57 03.9 r 240
2005-10-27 19:28:02 C 01 58 40.78 +25 40 59.0 r 240
2005-10-27 19:31:30 C 01 58 40.66 +25 40 56.7 r 240
2005-10-27 19:45:22 C 01 58 40.14 +25 40 47.5 r 240
2005-10-27 20:02:42 C 01 58 39.49 +25 40 36.1 r 240
2005-10-27 20:13:05 C 01 58 39.09 +25 40 29.4 r 240
2005-10-29 07:09:58 C 01 57 26.31 +25 17 06.9 r 703
2005-10-29 07:17:40 C 01 57 25.95 +25 17 02.6 r 703
2005-10-29 07:25:41 C 01 57 25.66 +25 16 57.0 r 703