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
2002-11-24 08:18:10 C 04 23 21.66 +26 12 53.9 c 644
2002-11-24 08:19:56 C 04 23 21.56 +26 12 53.3 c 644
2002-11-24 08:51:25 C 04 23 19.44 +26 12 42.7 c 644
2002-11-24 08:53:05 C 04 23 19.30 +26 12 42.1 c 644
2002-11-24 09:23:45 C 04 23 17.19 +26 12 31.2 c 644
2002-11-27 23:31:39 C 04 17 46.06 +25 42 37.3 c 599
2002-11-28 01:52:45 C 04 17 36.90 +25 41 47.7 c 599
2002-11-28 02:06:12 C 04 17 35.99 +25 41 42.5 c 599
2002-11-28 02:19:38 C 04 17 35.15 +25 41 38.0 c 599
2002-11-28 06:47:57 C 04 17 18.87 +25 40 06.2 c 696
2002-11-28 06:56:39 C 04 17 18.28 +25 40 03.4 c 696
2002-11-28 08:03:52 C 04 17 13.70 +25 39 38.8 d 734
2002-11-28 08:14:27 C 04 17 13.04 +25 39 34.4 d 734
2002-11-28 08:24:40 C 04 17 12.42 +25 39 30.7 d 734
2002-11-28 08:33:39 C 04 17 11.89 +25 39 27.9 d 734
2002-11-28 22:01:45 C 04 16 22.05 +25 34 43.6 c 599
2002-11-28 22:05:27 C 04 16 21.83 +25 34 43.0 c 599
2002-11-28 22:09:12 C 04 16 21.57 +25 34 41.4 c 599
2002-11-28 22:12:56 C 04 16 21.32 +25 34 40.3 c 599
2002-11-28 22:20:03 C 04 16 20.87 +25 34 37.3 c 599
2002-11-28 22:20:27 C 04 16 20.90 +25 34 35.3 d J95
2002-11-28 22:24:48 C 04 16 20.49 +25 34 36.3 c 599
2002-11-28 22:30:11 C 04 16 20.33 +25 34 32.3 d J95
2002-11-28 22:42:57 C 04 16 19.51 +25 34 27.8 d J95
2002-11-30 00:18:50 C 04 14 44.96 +25 25 29.3 d 176
2002-11-30 00:23:30 C 04 14 44.67 +25 25 27.7 d 176
2002-11-30 00:28:40 C 04 14 44.34 +25 25 26.0 d 176
2002-11-30 00:33:50 C 04 14 44.01 +25 25 24.3 d 176
2002-11-30 00:48:49 C 04 14 43.07 +25 25 19.3 d 176
2002-12-08 19:45:58 C 04 03 03.42 +24 11 58.5 d 540
2002-12-08 20:04:02 C 04 03 02.52 +24 11 51.2 d 540
2002-12-08 20:22:06 C 04 03 01.62 +24 11 45.8 d 540
2002-12-11 02:46:42 C 04 00 28.21 +23 53 44.8 c 715
2002-12-11 03:02:50 C 04 00 27.58 +23 53 41.0 c 715
2002-12-26 04:30:31 C 03 48 57.11 +22 12 12.1 c 926
2002-12-26 04:48:04 C 03 48 56.81 +22 12 08.9 c 926
2002-12-26 05:03:25 C 03 48 56.52 +22 12 05.9 c 926
2002-12-28 03:14:36 C 03 48 10.32 +22 01 55.5 c 715
2002-12-28 03:22:07 C 03 48 10.20 +22 01 53.7 c 715
2002-12-28 03:30:43 C 03 48 10.07 +22 01 51.7 c 715
2003-01-30 01:17:27 C 03 55 39.13 +20 44 53.6 c 809
2003-01-30 01:20:56 C 03 55 39.24 +20 44 53.6 c 809
2003-01-30 01:24:26 C 03 55 39.34 +20 44 53.5 c 809
2003-01-30 01:27:56 C 03 55 39.44 +20 44 53.5 c 809
2005-02-17 08:14:15 C 16 40 39.53 -26 12 29.5 o 809
2005-02-17 08:23:04 C 16 40 40.36 -26 12 31.3 o 809
2005-02-17 08:32:06 C 16 40 41.25 -26 12 32.7 o 809
2005-02-18 08:33:09 C 16 43 02.97 -26 16 42.0 o 809
2005-02-18 08:41:47 C 16 43 03.78 -26 16 43.5 o 809
2005-02-18 08:51:28 C 16 43 04.72 -26 16 45.2 o 809