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
2005-05-03 15:36:39 C 20 03 47.35 -22 19 19.8 c 474
2005-05-03 15:43:50 C 20 03 48.23 -22 19 15.4 c 474
2005-05-03 15:48:49 C 20 03 48.84 -22 19 12.6 c 474
2005-05-20 10:43:20 C 20 57 03.52 -17 24 15.7 19.7 o 644
2005-05-20 10:58:41 C 20 57 05.57 -17 24 02.1 19.6 o 644
2005-05-20 11:15:00 C 20 57 07.77 -17 23 47.7 19.5 o 644
2005-06-04 10:23:36 C 21 47 12.62 -11 04 37.4 r 703
2005-06-04 10:29:47 C 21 47 13.45 -11 04 30.6 r 703
2005-06-04 10:35:56 C 21 47 14.35 -11 04 22.4 r 703
2005-06-04 10:42:06 C 21 47 15.18 -11 04 15.0 r 703
2005-07-02 10:32:44 C 23 25 02.96 +04 59 17.3 r 703
2005-07-02 10:37:28 C 23 25 03.61 +04 59 23.4 r 703
2005-07-02 10:42:10 C 23 25 04.33 +04 59 30.5 r 703
2005-07-02 10:46:51 C 23 25 05.01 +04 59 38.1 r 703
2005-07-03 00:13:44 C 23 27 03.33 +05 20 30.3 r A13
2005-07-03 00:16:11 C 23 27 03.66 +05 20 34.2 r A13
2005-07-03 00:18:38 C 23 27 04.01 +05 20 38.1 r A13
2005-07-03 00:21:05 C 23 27 04.33 +05 20 41.8 r A13
2005-07-03 00:24:47 C 23 27 04.89 +05 20 47.4 r A13
2005-07-03 10:15:54 C 23 28 30.75 +05 36 11.6 r 703
2005-07-03 10:25:20 C 23 28 32.08 +05 36 25.0 r 703
2005-07-03 10:34:52 C 23 28 33.42 +05 36 40.1 r 703
2005-07-03 10:44:19 C 23 28 34.75 +05 36 55.2 r 703
2005-07-05 09:27:51 C 23 35 23.15 +06 49 32.5 19.1 c 704
2005-07-05 09:43:09 C 23 35 25.34 +06 49 54.9 19.0 c 704
2005-07-05 09:58:16 C 23 35 27.42 +06 50 19.4 19.2 c 704
2005-07-05 10:13:23 C 23 35 29.62 +06 50 43.2 19.3 c 704
2005-07-09 09:02:50 C 23 49 12.03 +09 16 44.4 r 703
2005-07-09 09:12:55 C 23 49 13.47 +09 17 00.5 r 703
2005-07-09 09:23:00 C 23 49 14.98 +09 17 14.1 r 703
2005-07-09 09:33:02 C 23 49 16.21 +09 17 31.3 r 703
2005-08-09 07:53:04 C 01 26 02.64 +25 03 01.7 18.6 c 704
2005-08-09 08:09:55 C 01 26 04.40 +25 03 17.6 19.2 c 704
2005-08-09 08:26:47 C 01 26 06.20 +25 03 32.5 19.0 c 704
2005-08-09 08:44:07 C 01 26 08.00 +25 03 50.8 18.7 c 704
2005-08-09 09:01:01 C 01 26 09.81 +25 04 06.9 19.0 c 704
2005-08-23 22:45:59 C 01 59 19.83 +29 28 25.0 r 084
2005-09-03 01:19:16 C 02 15 07.14 +31 20 48.5 r 084
2005-09-03 01:23:25 C 02 15 07.36 +31 20 49.6 r 084
2005-09-06 01:58:47 C 02 18 30.90 +31 43 20.2 r A39
2005-09-06 02:05:20 C 02 18 31.08 +31 43 21.9 r A39
2005-09-06 02:11:53 C 02 18 31.38 +31 43 24.2 r A39
2005-09-06 02:18:26 C 02 18 31.67 +31 43 26.0 r A39
2005-09-06 02:24:59 C 02 18 31.85 +31 43 27.5 r A39
2005-09-09 01:26:47 C 02 21 13.25 +32 00 23.3 r 084
2005-09-09 01:30:55 C 02 21 13.41 +32 00 24.2 r 084
2005-09-09 21:52:55 C 02 21 53.53 +32 04 19.7 r 084
2005-09-09 21:57:03 C 02 21 53.64 +32 04 20.8 r 084
2005-09-10 23:25:40 C 02 22 38.40 +32 08 45.2 r 084
2005-09-10 23:29:48 C 02 22 38.53 +32 08 45.6 r 084