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
2011-05-25 10:00:47 C 12 52 56.13 -35 20 59.7 r E12
2011-05-25 10:16:22 C 12 52 59.26 -35 20 22.7 r E12
2011-05-25 10:31:57 C 12 53 02.53 -35 19 46.2 r E12
2011-05-25 10:47:36 C 12 53 05.60 -35 19 07.4 r E12
2011-05-25 11:00:38 C 12 53 08.32 -35 18 37.5 r E12
2011-05-25 11:01:59 C 12 53 08.60 -35 18 33.9 r E12
2011-05-25 13:06:29 C 12 53 33.99 -35 13 32.6 v E10
2011-05-25 13:13:23 C 12 53 35.42 -35 13 15.6 v E10
2011-05-25 15:10:16 C 12 53 59.45 -35 08 30.3 r E12
2011-05-25 23:27:56 C 12 55 46.22 -34 48 53.5 o 807
2011-05-25 23:31:48 C 12 55 47.02 -34 48 44.4 o 807
2011-05-25 23:35:38 C 12 55 47.79 -34 48 35.8 o 807
2011-05-25 23:39:27 C 12 55 48.53 -34 48 26.7 o 807
2011-05-25 23:43:15 C 12 55 49.29 -34 48 18.0 o 807
2011-05-26 11:54:07 C 12 58 17.60 -34 19 37.3 r E12
2011-05-26 12:05:02 C 12 58 19.75 -34 19 11.6 r E12
2011-05-28 06:18:14 C 13 06 32.23 -32 42 34.7 o 807
2011-05-28 06:22:20 C 13 06 32.96 -32 42 25.2 o 807
2011-05-28 06:26:25 C 13 06 33.70 -32 42 15.8 o 807
2011-05-28 06:30:29 C 13 06 34.47 -32 42 06.7 o 807
2011-05-28 06:34:31 C 13 06 35.24 -32 41 57.6 o 807
2011-05-31 05:06:36 C 13 19 02.30 -30 11 33.1 o 807
2011-05-31 05:14:58 C 13 19 03.70 -30 11 15.5 o 807
2011-05-31 05:19:09 C 13 19 04.35 -30 11 06.7 o 807
2011-05-31 05:23:01 C 13 19 04.99 -30 10 58.9 o 807
2011-06-01 02:42:19 C 13 22 34.78 -29 28 18.5 o 807
2011-06-01 02:47:01 C 13 22 35.52 -29 28 09.0 o 807
2011-06-01 02:51:42 C 13 22 36.26 -29 27 59.8 o 807
2011-06-01 02:56:20 C 13 22 36.96 -29 27 50.5 o 807
2011-06-01 03:00:11 C 13 22 37.54 -29 27 43.0 o 807
2011-06-02 11:29:42 C 13 27 42.92 -28 25 03.4 u E12
2011-06-02 11:36:51 C 13 27 43.99 -28 24 49.4 u E12
2011-06-03 12:26:44 C 13 31 26.85 -27 38 55.6 u E12
2011-06-03 12:33:54 C 13 31 27.82 -27 38 42.3 u E12
2011-06-05 14:06:29 C 13 38 29.50 -26 12 13.8 r E12
2011-06-05 14:13:40 C 13 38 30.47 -26 12 01.7 r E12
2011-06-06 11:47:52 C 13 41 26.12 -25 36 31.7 r E12
2011-06-06 11:54:55 C 13 41 27.06 -25 36 20.5 r E12
2011-06-08 03:35:52 C 13 46 36.47 -24 34 31.3 o H21
2011-06-08 03:49:03 C 13 46 38.12 -24 34 11.5 o H21
2011-06-08 04:03:05 C 13 46 39.80 -24 33 49.6 o H21
2011-06-10 10:01:08 C 13 53 17.68 -23 15 23.0 u E12
2011-06-10 10:24:04 C 13 53 20.34 -23 14 52.4 u E12
2011-06-22 05:28:37 C 14 22 44.22 -18 09 31.2 o 291
2011-06-22 05:35:03 C 14 22 44.79 -18 09 25.8 o 291
2011-06-22 05:49:04 C 14 22 46.05 -18 09 14.3 o 291
2012-11-03 08:12:36 c 02 02 37.958 +42 16 53.86 L F51
2012-11-03 08:30:34 c 02 02 36.294 +42 16 41.79 L F51
2012-11-16 19:46:48 C 01 34 54.60 +36 52 33.4 q 204
2012-11-16 20:12:07 C 01 34 52.50 +36 52 00.6 q 204