2011 WK15

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4711544388 ± 6.28e-09
Semi-major axis (a)1.9920465174 AU ± 9.60e-09
Inclination (i)7.02178990° ± 1.28e-06
Long. of Asc. Node (Ω)104.97433071° ± 7.67e-06
Arg. of Perihelion (ω)56.37293895° ± 9.86e-06
Mean Anomaly (M)293.20198722° ± 1.06e-05
Mean Motion (n)0.3505605670°/day ± 2.54e-09
Perihelion dist (q)1.05348496 AU ± 1.35e-08
Aphelion dist (Q)2.93060808 AU ± 1.89e-08
Orbital Period2.81157203 yr ± 2.03e-08
Physical Parameters
H (abs. magnitude)19.74
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.253″
Uncertainty0
Orbit TypeAmor
MOID0.113418 AU
Observations Used446
Oppositions9
Arc Total2011-2025
First Observation Used2011-11-22
Last Observation Used2025-11-20
Observations (480)
Date Type RA Dec Mag Band Observatory
2025-10-17 05:30:07 C 02 32 28.670 +02 20 15.40 V 807
2025-10-17 05:55:48 C 02 32 27.390 +02 20 07.00 V 807
2025-10-17 06:21:29 C 02 32 26.110 +02 19 59.10 V 807
2025-10-18 15:50:22 C 02 30 49.007 +02 09 05.71 W O18
2025-10-18 17:36:22 C 02 30 43.633 +02 08 31.62 W O18
2025-10-19 16:44:14 C 02 29 34.551 +02 01 06.31 W O18
2025-10-19 17:30:31 C 02 29 32.157 +02 00 51.74 W O18
2025-10-20 15:36:32 C 02 28 24.932 +01 53 47.10 W O18
2025-10-20 16:22:48 C 02 28 22.501 +01 53 32.40 W O18
2025-10-20 17:54:44 C 02 28 17.635 +01 53 03.20 W O18
2025-10-20 18:41:12 C 02 28 15.155 +01 52 48.33 W O18
2025-10-21 15:41:21 C 02 27 10.148 +01 46 06.39 W O18
2025-10-21 16:40:52 C 02 27 06.962 +01 45 47.50 W O18
2025-10-21 17:27:10 C 02 27 04.475 +01 45 32.83 W O18
2025-10-29 17:06:43 C 02 16 29.379 +00 46 47.96 W O18
2025-10-29 18:00:44 C 02 16 26.222 +00 46 32.21 W O18
2025-11-10 15:10:16 C 01 59 52.922 -00 24 33.37 W O18
2025-11-10 17:14:20 C 01 59 45.639 -00 24 58.10 W O18
2025-11-11 17:05:24 C 01 58 24.582 -00 29 35.48 W O18
2025-11-11 17:42:57 C 01 58 22.411 -00 29 42.50 W O18
2025-11-13 18:26:25 C 01 55 39.351 -00 38 23.66 W O18
2025-11-13 19:02:11 C 01 55 37.332 -00 38 29.58 W O18
2025-11-14 17:42:36 C 01 54 23.013 -00 42 10.44 W O18
2025-11-14 18:02:21 C 01 54 21.888 -00 42 13.51 W O18
2025-11-15 07:00:58 C 01 53 39.808 -00 44 12.52 V V00
2025-11-15 07:09:01 C 01 53 39.354 -00 44 13.81 V V00
2025-11-15 07:17:04 C 01 53 38.897 -00 44 15.18 V V00
2025-11-15 07:25:07 C 01 53 38.440 -00 44 16.58 V V00
2025-11-20 15:15:47 C 01 47 04.044 -00 59 40.79 W O18
2025-11-20 17:09:20 C 01 46 58.339 -00 59 50.98 W O18