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
2011-07-25 23:01:13 C 13 02 31.35 -48 41 42.1 o 807
2011-07-25 23:10:56 C 13 02 30.59 -48 41 54.9 o 807
2011-07-25 23:21:33 C 13 02 29.81 -48 42 09.3 o 807
2011-08-03 23:09:53 C 12 47 04.31 -54 09 26.8 o 807
2011-08-03 23:13:24 C 12 47 03.97 -54 09 32.5 o 807
2011-08-22 23:18:26 C 11 21 26.82 -70 07 36.9 o 807
2011-08-22 23:24:25 C 11 21 24.22 -70 07 50.1 o 807
2011-08-22 23:30:21 C 11 21 21.63 -70 08 03.3 o 807
2011-09-01 09:21:13 C 08 18 32.22 -76 43 59.5 o 807
2011-09-01 09:27:50 C 08 18 23.63 -76 44 02.7 o 807
2011-09-01 09:35:15 C 08 18 14.22 -76 44 05.9 o 807
2011-09-11 05:36:26 C 04 18 34.71 -67 17 16.0 17.3 u I36
2011-09-11 05:42:51 C 04 18 30.72 -67 16 48.1 17.6 u I36
2011-09-11 05:49:18 C 04 18 26.89 -67 16 20.9 17.9 u I36
2011-09-22 06:49:33 C 02 50 13.44 -44 26 29.1 o 844
2011-09-22 06:51:42 C 02 50 12.96 -44 26 16.3 o 844
2011-09-22 06:53:53 C 02 50 12.54 -44 26 05.2 o 844
2011-09-22 06:56:04 C 02 50 12.10 -44 25 54.0 o 844
2011-09-22 06:58:14 C 02 50 11.69 -44 25 42.1 o 844
2011-09-22 07:26:37 C 02 50 05.53 -44 23 09.0 o 844
2011-09-22 07:28:49 C 02 50 05.10 -44 22 57.1 o 844
2011-09-22 07:30:58 C 02 50 04.67 -44 22 45.4 o 844
2011-09-22 07:33:09 C 02 50 04.17 -44 22 33.6 o 844
2011-09-22 07:35:18 C 02 50 03.65 -44 22 22.0 o 844
2011-10-06 02:43:43 C 02 06 29.38 -18 36 40.3 o 844
2011-10-06 02:46:24 C 02 06 29.11 -18 36 29.9 o 844
2011-10-06 02:49:04 C 02 06 28.87 -18 36 20.4 o 844
2011-10-06 02:51:44 C 02 06 28.61 -18 36 09.8 o 844
2011-10-06 02:54:24 C 02 06 28.26 -18 36 01.2 o 844
2011-10-06 02:57:04 C 02 06 28.03 -18 35 50.7 o 844
2011-10-06 02:59:45 C 02 06 27.71 -18 35 40.9 o 844
2011-10-11 08:02:13 C 01 56 13.16 -11 33 54.5 t H21
2011-10-11 08:10:15 C 01 56 12.51 -11 33 30.0 t H21
2011-10-11 08:18:15 C 01 56 11.85 -11 33 05.9 t H21
2011-10-11 08:24:19 C 01 56 11.36 -11 32 47.4 t H21
2011-10-14 04:42:03 C 01 51 32.78 -08 18 13.5 o H21
2011-10-14 04:46:21 C 01 51 32.47 -08 18 02.0 o H21
2011-10-14 04:50:39 C 01 51 32.15 -08 17 50.8 o H21
2011-10-14 04:54:49 C 01 51 31.85 -08 17 39.6 o H21
2011-10-14 04:59:08 C 01 51 31.56 -08 17 28.2 o H21
2011-10-14 05:03:58 C 01 51 31.20 -08 17 15.1 o H21
2011-10-15 23:53:15 C 01 48 51.87 -06 27 05.3 t 204
2011-10-15 23:58:49 C 01 48 51.50 -06 26 51.6 t 204
2011-10-16 00:04:20 C 01 48 51.13 -06 26 37.8 t 204
2011-10-17 06:05:42 C 01 47 08.19 -05 14 16.0 r 703
2011-10-17 06:17:54 C 01 47 07.40 -05 13 47.7 r 703
2011-10-17 06:42:29 C 01 47 05.78 -05 12 50.5 r 703
2011-10-17 14:07:52 C 01 46 41.07 -04 55 36.9 u 379
2011-10-17 14:45:04 C 01 46 39.36 -04 54 10.4 r D29
2011-10-17 14:47:32 C 01 46 38.56 -04 54 06.1 u 379