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
2011-04-16 02:06:24 C 14 49 33.85 -24 56 10.0 o 807
2011-04-16 02:14:34 C 14 49 33.54 -24 56 09.4 o 807
2011-04-16 02:21:39 C 14 49 33.29 -24 56 09.1 o 807
2011-05-02 06:51:14 C 14 31 04.87 -23 37 58.8 r 703
2011-05-02 07:05:11 C 14 31 04.11 -23 37 54.5 r 703
2011-05-02 07:19:15 C 14 31 03.21 -23 37 49.2 r 703
2011-05-02 07:34:32 C 14 31 02.35 -23 37 45.6 r 703
2011-05-19 22:11:31 C 14 07 09.14 -20 53 52.8 v 204
2011-05-19 22:39:10 C 14 07 07.66 -20 53 40.1 v 204
2011-07-18 02:13:53 C 14 07 14.98 -14 28 57.8 L W91
2011-07-18 02:20:08 C 14 07 15.30 -14 28 58.0 L W91
2011-07-18 02:43:58 C 14 07 16.62 -14 28 58.1 L W91
2011-07-18 02:45:50 C 14 07 16.72 -14 28 58.3 L W91
2011-07-18 02:49:48 C 14 07 16.94 -14 28 58.4 L W91
2011-07-18 02:51:38 C 14 07 17.06 -14 28 58.4 L W91
2014-04-10 09:49:42 C 13 28 36.357 -18 50 00.28 L F51
2014-04-10 10:06:51 C 13 28 35.468 -18 49 55.69 L F51
2014-04-10 10:24:00 C 13 28 34.547 -18 49 51.30 L F51
2014-04-30 08:34:26 C 13 03 11.648 -16 03 54.34 L F51
2014-04-30 08:49:59 C 13 03 10.835 -16 03 48.26 L F51
2014-04-30 09:05:34 C 13 03 10.008 -16 03 41.88 L F51
2014-04-30 09:21:06 C 13 03 09.192 -16 03 35.58 L F51
2014-05-06 05:42:18 C 12 56 27.06 -15 06 25.2 q G96
2014-05-06 05:49:37 C 12 56 26.70 -15 06 21.7 q G96
2014-05-06 05:56:55 C 12 56 26.46 -15 06 19.0 q G96
2014-05-25 06:57:18 C 12 41 53.089 -12 16 37.67 L F51
2014-05-25 07:14:43 C 12 41 52.745 -12 16 32.26 L F51
2014-05-25 07:32:07 C 12 41 52.411 -12 16 26.75 L F51
2014-05-25 07:49:31 C 12 41 52.074 -12 16 21.46 L F51
2017-03-25 07:51:01 C 12 47 33.78 -14 37 40.4 q G96
2017-03-25 07:57:07 C 12 47 33.43 -14 37 39.1 q G96
2017-03-25 08:03:14 C 12 47 33.20 -14 37 36.6 q G96
2017-03-25 08:09:20 C 12 47 32.88 -14 37 36.4 q G96
2020-02-29 07:41:02 C 12 25 35.53 -11 37 01.5 u H21
2020-02-29 07:48:46 C 12 25 35.28 -11 36 59.9 u H21
2020-02-29 07:55:19 C 12 25 35.06 -11 36 59.3 u H21
2021-12-02 08:53:20 C 08 16 56.07 +17 27 32.9 V V00
2021-12-02 09:00:22 C 08 16 55.93 +17 27 32.5 V V00
2021-12-02 09:07:22 C 08 16 55.78 +17 27 32.4 V V00
2021-12-02 09:14:21 C 08 16 55.62 +17 27 32.3 V V00
2022-01-07 08:08:38 C 07 42 07.546 +17 56 14.15 U F52
2022-01-07 08:25:58 C 07 42 06.607 +17 56 15.63 U F52
2022-01-07 08:43:19 C 07 42 05.678 +17 56 16.57 U F52
2023-03-18 09:18:51 C 11 30 35.954 -06 02 14.01 U F52
2023-03-18 09:35:54 C 11 30 35.159 -06 02 09.12 U F52
2023-03-18 09:54:17 C 11 30 34.280 -06 02 03.68 U F52
2024-12-22 09:23:51 C 07 19 47.540 +20 03 52.67 X F51
2024-12-22 09:26:58 C 07 19 47.376 +20 03 53.04 X F51
2024-12-22 09:45:41 C 07 19 46.341 +20 03 53.11 X F51
2024-12-22 10:01:19 C 07 19 45.488 +20 03 53.60 X F51