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
2011-10-27 05:58:03 C 01 36 36.03 +02 20 39.6 r 703
2011-10-27 06:08:02 C 01 36 35.53 +02 20 55.6 r 703
2011-10-27 06:18:03 C 01 36 35.17 +02 21 11.0 r 703
2011-10-27 06:27:58 C 01 36 34.77 +02 21 25.7 r 703
2011-10-27 14:51:44 C 01 36 18.33 +02 34 02.1 u 379
2011-10-27 15:19:45 C 01 36 17.24 +02 34 45.4 u 379
2011-10-27 15:47:43 C 01 36 16.26 +02 35 26.4 u 379
2011-10-30 06:17:04 C 01 34 29.46 +04 03 47.0 r G96
2011-10-30 06:27:51 C 01 34 29.13 +04 04 01.4 r G96
2011-10-30 06:38:46 C 01 34 28.77 +04 04 16.0 r G96
2011-10-30 06:49:41 C 01 34 28.41 +04 04 30.6 r G96
2011-11-02 02:32:50 C 01 32 56.11 +05 30 03.0 u I15
2011-11-02 02:42:11 C 01 32 55.92 +05 30 14.3 u I15
2011-11-02 02:51:41 C 01 32 55.67 +05 30 25.3 u I15
2011-11-02 06:09:56 C 01 32 51.14 +05 34 23.8 u H45
2011-11-02 06:15:36 C 01 32 51.01 +05 34 30.2 u H45
2011-11-02 06:18:43 C 01 32 50.94 +05 34 34.2 u H45
2011-11-02 06:22:56 C 01 32 50.85 +05 34 38.8 u H45
2011-11-02 06:26:10 C 01 32 50.75 +05 34 43.1 u H45
2011-11-02 06:29:08 C 01 32 50.68 +05 34 46.3 u H45
2011-11-06 03:43:08 C 01 31 23.24 +07 17 22.7 o H21
2011-11-06 03:46:58 C 01 31 23.16 +07 17 26.6 o H21
2011-11-06 03:51:53 C 01 31 23.07 +07 17 31.7 o H21
2011-11-06 03:56:08 C 01 31 23.01 +07 17 36.1 o H21
2011-11-12 04:09:18 C 01 30 25.52 +09 29 45.6 o H21
2011-11-12 04:15:07 C 01 30 25.50 +09 29 50.0 o H21
2011-11-12 04:20:31 C 01 30 25.48 +09 29 54.5 o H21
2011-11-12 04:24:42 C 01 30 25.45 +09 29 57.8 o H21
2011-11-15 05:38:55 C 01 30 29.80 +10 27 15.8 r G96
2011-11-15 05:47:18 C 01 30 29.80 +10 27 22.0 r G96
2011-11-15 05:55:39 C 01 30 29.77 +10 27 28.2 r G96
2011-11-15 06:03:56 C 01 30 29.80 +10 27 34.4 r G96
2011-11-18 03:08:08 C 01 30 53.46 +11 16 39.1 r 703
2011-11-18 03:15:26 C 01 30 53.64 +11 16 43.8 r 703
2011-11-18 03:22:46 C 01 30 53.71 +11 16 49.1 r 703
2011-11-18 03:30:08 C 01 30 53.74 +11 16 55.5 r 703
2011-12-26 00:32:48 C 01 57 34.11 +18 17 17.8 o H21
2011-12-26 00:50:52 C 01 57 34.92 +18 17 23.4 o H21
2011-12-26 01:09:03 C 01 57 35.72 +18 17 30.2 o H21
2015-04-10 07:40:02 C 13 28 41.80 -02 53 10.3 t 705
2015-04-10 07:41:55 C 13 28 41.68 -02 53 10.1 t 705
2015-04-10 07:43:47 C 13 28 41.59 -02 53 09.6 t 705
2015-04-11 10:00:14 C 13 27 15.53 -02 47 54.1 o 291
2015-04-11 10:13:13 C 13 27 14.79 -02 47 51.4 o 291
2015-04-11 10:26:13 C 13 27 14.07 -02 47 48.9 o 291