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
2011-10-17 14:50:13 C 01 46 38.38 -04 53 59.8 u 379
2011-10-17 15:08:04 C 01 46 37.90 -04 53 17.2 r D29
2011-10-17 15:31:05 C 01 46 36.46 -04 52 24.7 r D29
2011-10-18 05:22:11 C 01 45 50.70 -04 20 21.0 o 807
2011-10-18 05:34:03 C 01 45 49.97 -04 19 54.7 o 807
2011-10-18 05:39:36 C 01 45 49.61 -04 19 41.9 o 807
2011-10-18 15:10:33 C 01 45 19.65 -03 59 08.2 u 379
2011-10-18 15:29:52 C 01 45 18.51 -03 58 25.5 u 379
2011-10-18 15:32:32 C 01 45 18.35 -03 58 19.6 u 379
2011-10-18 15:40:54 C 01 45 17.83 -03 58 01.1 u 379
2011-10-18 15:51:53 C 01 45 17.17 -03 57 37.2 u 379
2011-10-18 15:54:33 C 01 45 17.01 -03 57 31.2 u 379
2011-10-18 16:13:54 C 01 45 15.86 -03 56 49.1 u 379
2011-10-18 16:16:34 C 01 45 15.70 -03 56 43.2 u 379
2011-10-18 16:24:54 C 01 45 15.18 -03 56 24.9 u 379
2011-10-18 16:27:33 C 01 45 15.04 -03 56 18.4 u 379
2011-10-18 22:53:30 C 01 44 55.41 -03 42 22.6 u A98
2011-10-18 22:56:15 C 01 44 55.27 -03 42 16.6 u A98
2011-10-18 22:57:12 C 01 44 55.16 -03 42 14.8 u A98
2011-10-18 22:59:01 C 01 44 55.08 -03 42 10.9 u A98
2011-10-18 23:00:53 C 01 44 55.00 -03 42 06.8 u A98
2011-10-18 23:02:43 C 01 44 54.84 -03 42 03.6 u A98
2011-10-18 23:04:33 C 01 44 54.81 -03 41 58.8 u A98
2011-10-22 06:50:37 C 01 41 06.78 -01 00 39.5 u H45
2011-10-22 06:52:30 C 01 41 06.67 -01 00 36.0 u H45
2011-10-22 06:53:34 C 01 41 06.62 -01 00 34.0 u H45
2011-10-22 06:55:55 C 01 41 06.49 -01 00 29.7 u H45
2011-10-22 06:57:44 C 01 41 06.41 -01 00 26.3 u H45
2011-10-22 06:59:37 C 01 41 06.30 -01 00 22.7 u H45
2011-10-22 22:18:33 C 01 40 27.47 -00 32 07.7 u C01
2011-10-22 22:19:56 C 01 40 27.40 -00 32 05.2 u C01
2011-10-22 22:21:19 C 01 40 27.33 -00 32 02.5 u C01
2011-10-22 22:22:43 C 01 40 27.27 -00 32 00.2 u C01
2011-10-22 22:24:06 C 01 40 27.20 -00 31 57.6 u C01
2011-10-22 22:49:58 C 01 40 25.96 -00 31 10.4 u C01
2011-10-22 22:51:50 C 01 40 25.88 -00 31 06.9 u C01
2011-10-22 22:53:43 C 01 40 25.81 -00 31 03.6 u C01
2011-10-22 22:55:37 C 01 40 25.70 -00 31 00.0 u C01
2011-10-22 22:57:31 C 01 40 25.61 -00 30 56.6 u C01
2011-10-23 07:49:13 C 01 40 03.02 -00 14 47.2 18.2 c 704
2011-10-23 08:06:24 C 01 40 02.18 -00 14 16.2 18.2 c 704
2011-10-23 08:23:34 C 01 40 01.40 -00 13 45.9 18.1 c 704
2011-10-23 08:41:59 C 01 40 00.54 -00 13 12.6 18.3 c 704
2011-10-23 08:59:09 C 01 39 59.70 -00 12 41.8 18.0 c 704
2011-10-23 14:26:33 C 01 39 47.23 -00 02 59.5 u 379
2011-10-23 14:37:33 C 01 39 46.71 -00 02 40.4 u 379
2011-10-23 14:48:34 C 01 39 46.19 -00 02 20.5 u 379
2011-10-26 14:29:53 C 01 37 06.25 +01 56 51.9 u 379
2011-10-26 14:32:33 C 01 37 06.12 +01 56 55.7 u 379
2011-10-26 14:40:54 C 01 37 05.84 +01 57 09.9 u 379