420262 (2011 KD11)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4228111342 ± 1.24e-08
Semi-major axis (a)1.5882094857 AU ± 8.63e-10
Inclination (i)17.12841545° ± 4.94e-06
Long. of Asc. Node (Ω)257.46442878° ± 6.43e-06
Arg. of Perihelion (ω)253.46726294° ± 8.49e-06
Mean Anomaly (M)128.08894964° ± 3.74e-06
Mean Motion (n)0.4924369104°/day ± 4.01e-10
Perihelion dist (q)0.91669683 AU ± 1.97e-08
Aphelion dist (Q)2.25972214 AU ± 1.97e-08
Orbital Period2.00152804 yr ± 1.63e-09
Physical Parameters
H (abs. magnitude)20.17
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.190″
Uncertainty0
Orbit TypeApollo
MOID0.114292 AU
Observations Used297
Oppositions7
Arc Total2011-2025
First Observation Used2011-05-25
Last Observation Used2025-06-26
Observations (315)
Date Type RA Dec Mag Band Observatory
2025-06-14 07:01:32 C 14 13 25.836 -21 11 06.35 X F51
2025-06-14 07:12:54 C 14 13 26.866 -21 10 52.81 X F51
2025-06-14 07:16:36 C 14 13 27.204 -21 10 48.51 X F51
2025-06-14 07:27:57 C 14 13 28.243 -21 10 35.05 X F51
2025-06-14 07:31:39 C 14 13 28.578 -21 10 30.64 X F51
2025-06-19 04:55:53 C 14 24 17.399 -19 05 44.92 V G96
2025-06-19 05:03:32 C 14 24 17.993 -19 05 38.26 V G96
2025-06-19 05:11:11 C 14 24 18.637 -19 05 31.24 V G96
2025-06-19 05:18:50 C 14 24 19.292 -19 05 22.34 V G96
2025-06-22 07:00:10 C 14 30 39.847 -18 00 14.72 X F51
2025-06-22 07:36:28 C 14 30 42.726 -17 59 44.95 X F51
2025-06-22 07:54:09 C 14 30 44.146 -17 59 30.36 X F51
2025-06-26 07:24:20 C 14 38 33.953 -16 48 17.73 X F51
2025-06-26 07:42:02 C 14 38 35.297 -16 48 05.79 X F51
2025-06-26 07:59:45 C 14 38 36.666 -16 47 53.56 X F51