2011 KF4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6164553086 ± 1.74e-08
Semi-major axis (a)2.5971844145 AU ± 1.03e-07
Inclination (i)10.00180444° ± 4.06e-06
Long. of Asc. Node (Ω)40.67524282° ± 1.10e-05
Arg. of Perihelion (ω)281.71677709° ± 1.37e-05
Mean Anomaly (M)144.66948043° ± 7.09e-05
Mean Motion (n)0.2354822052°/day ± 1.40e-08
Perihelion dist (q)0.99613629 AU ± 6.00e-08
Aphelion dist (Q)4.19823253 AU ± 1.72e-07
Orbital Period4.18556588 yr ± 2.48e-07
Physical Parameters
H (abs. magnitude)19.15
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.277″
Uncertainty0
Orbit TypeApollo
MOID0.139115 AU
Observations Used182
Oppositions3
Arc Total2011-2015
First Observation Used2011-05-22
Last Observation Used2015-04-11
Observations (195)
Date Type RA Dec Mag Band Observatory
2011-05-22 05:21:19 C 15 19 27.92 -27 42 46.4 o 926
2011-05-22 05:37:57 C 15 19 26.43 -27 42 56.5 o 926
2011-05-22 05:54:35 C 15 19 24.98 -27 43 07.0 o 926
2011-05-23 03:17:22 C 15 17 35.52 -27 55 53.2 o 807
2011-05-23 03:27:09 C 15 17 34.63 -27 55 58.8 o 807
2011-05-23 03:37:41 C 15 17 33.70 -27 56 05.3 o 807
2011-05-23 06:18:10 C 15 17 19.51 -27 57 59.6 u H36
2011-05-23 06:26:47 C 15 17 18.80 -27 58 05.0 u H36
2011-05-23 06:31:08 C 15 17 18.34 -27 58 08.6 u H36
2011-05-23 06:37:37 C 15 17 17.93 -27 58 10.6 c H06
2011-05-23 06:41:06 C 15 17 17.61 -27 58 13.1 c H06
2011-05-23 06:44:34 C 15 17 17.32 -27 58 15.4 c H06
2011-05-24 16:40:48 C 15 14 17.36 -28 18 51.2 u D90
2011-05-24 16:48:05 C 15 14 16.68 -28 18 55.6 u D90
2011-05-24 16:55:16 C 15 14 16.02 -28 19 00.0 u D90
2011-05-25 05:27:34 C 15 13 09.39 -28 27 05.9 o 926
2011-05-25 05:43:17 C 15 13 07.91 -28 27 15.3 o 926
2011-05-25 05:57:25 C 15 13 06.55 -28 27 24.4 o 926
2011-05-27 04:23:58 C 15 08 48.72 -28 56 33.1 o H26
2011-05-27 04:29:02 C 15 08 48.22 -28 56 36.2 o H26
2011-05-27 04:31:35 C 15 08 47.97 -28 56 36.7 o H26
2011-05-28 12:56:27 C 15 05 41.86 -29 16 49.8 r E12
2011-05-28 22:40:59 C 15 04 44.99 -29 23 20.0 v 204
2011-05-28 22:54:35 C 15 04 43.63 -29 23 29.0 v 204
2011-05-31 06:40:01 C 14 59 10.70 -29 58 50.3 o 807
2011-05-31 06:49:02 C 14 59 09.78 -29 58 55.6 o 807
2011-05-31 06:53:17 C 14 59 09.32 -29 58 58.0 o 807
2011-05-31 06:57:31 C 14 59 08.89 -29 59 00.9 o 807
2011-06-08 23:14:16 C 14 37 15.83 -32 15 04.8 o 807
2011-06-08 23:20:40 C 14 37 15.10 -32 15 09.1 o 807
2011-06-08 23:27:07 C 14 37 14.37 -32 15 13.5 o 807
2011-06-08 23:33:32 C 14 37 13.64 -32 15 18.0 o 807
2011-06-14 12:16:35 C 14 22 56.05 -33 43 47.3 u D90
2011-06-14 12:26:57 C 14 22 54.93 -33 43 53.8 u D90
2011-06-14 12:36:31 C 14 22 53.79 -33 44 01.0 u D90
2011-06-27 04:41:25 C 13 52 15.97 -37 16 54.4 o 807
2011-06-27 04:46:26 C 13 52 15.46 -37 16 57.6 o 807
2011-06-27 04:51:39 C 13 52 14.97 -37 17 01.5 o 807
2011-06-28 10:59:16 C 13 49 31.41 -37 39 40.3 u D90
2011-06-28 11:09:15 C 13 49 30.44 -37 39 47.8 u D90
2011-06-28 11:19:13 C 13 49 29.46 -37 39 55.0 u D90
2011-06-28 11:29:11 C 13 49 28.49 -37 40 02.4 u D90
2011-07-07 01:09:22 C 13 32 27.65 -40 26 37.4 o 807
2011-07-07 01:14:53 C 13 32 27.20 -40 26 42.1 o 807
2011-07-07 01:20:26 C 13 32 26.72 -40 26 46.8 o 807
2011-07-07 01:25:57 C 13 32 26.27 -40 26 51.3 o 807
2011-07-15 01:33:16 C 13 19 00.80 -43 30 28.5 o 807
2011-07-15 01:38:18 C 13 19 00.41 -43 30 33.4 o 807
2011-07-23 00:51:08 C 13 06 56.06 -47 10 00.9 o 807
2011-07-23 00:57:12 C 13 06 55.64 -47 10 08.3 o 807