2012 KK18

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5512576158 ± 2.21e-08
Semi-major axis (a)2.7446393444 AU ± 5.66e-09
Inclination (i)16.26268877° ± 4.16e-06
Long. of Asc. Node (Ω)118.77638071° ± 6.00e-06
Arg. of Perihelion (ω)220.80467705° ± 1.18e-05
Mean Anomaly (M)332.50385118° ± 3.43e-06
Mean Motion (n)0.2167625988°/day ± 6.70e-10
Perihelion dist (q)1.23163600 AU ± 6.07e-08
Aphelion dist (Q)4.25764269 AU ± 6.13e-08
Orbital Period4.54703112 yr ± 1.41e-08
Physical Parameters
H (abs. magnitude)18.41
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.215″
Uncertainty0
Orbit TypeAmor
MOID0.268071 AU
Observations Used190
Oppositions7
Arc Total2012-2021
First Observation Used2012-05-20
Last Observation Used2021-11-20
Observations (220)
Date Type RA Dec Mag Band Observatory
2012-05-20 10:55:56 C 21 30 50.65 -06 36 03.4 r G96
2012-05-20 11:01:00 C 21 30 51.26 -06 36 02.5 r G96
2012-05-20 11:06:00 C 21 30 51.91 -06 36 02.0 r G96
2012-05-20 11:14:01 C 21 30 52.95 -06 36 00.1 r G96
2012-05-20 11:14:53 C 21 30 53.02 -06 36 00.1 r G96
2012-05-20 11:15:44 C 21 30 53.17 -06 36 00.6 r G96
2012-05-20 11:16:31 C 21 30 53.24 -06 36 00.0 r G96
2012-05-21 08:43:48 C 21 33 39.49 -06 32 25.7 o 807
2012-05-21 08:53:44 C 21 33 40.76 -06 32 23.9 o 807
2012-05-21 09:03:37 C 21 33 42.01 -06 32 22.1 o 807
2012-05-22 08:50:41 C 21 36 47.88 -06 28 48.7 r H21
2012-05-22 08:58:49 C 21 36 48.90 -06 28 48.2 r H21
2012-05-22 09:06:33 C 21 36 49.93 -06 28 47.2 r H21
2012-05-22 10:05:07 C 21 36 57.67 -06 28 36.4 r G96
2012-05-22 10:16:05 C 21 36 59.07 -06 28 34.2 r G96
2012-05-22 10:27:06 C 21 37 00.48 -06 28 32.0 r G96
2012-05-22 10:38:02 C 21 37 01.88 -06 28 31.9 r G96
2012-05-23 10:17:52 C 21 40 08.32 -06 24 53.7 r G96
2012-05-23 10:26:41 C 21 40 09.48 -06 24 52.1 r G96
2012-05-23 10:35:33 C 21 40 10.63 -06 24 50.9 r G96
2012-05-23 10:44:27 C 21 40 11.82 -06 24 49.8 r G96
2012-05-28 09:55:08 C 21 56 14.43 -06 07 56.3 o 291
2012-05-28 09:58:05 C 21 56 14.85 -06 07 55.5 r G96
2012-05-28 09:58:06 C 21 56 14.84 -06 07 56.1 o 291
2012-05-28 10:01:03 C 21 56 15.25 -06 07 55.7 o 291
2012-05-28 10:06:25 C 21 56 15.97 -06 07 55.4 r G96
2012-05-28 10:14:46 C 21 56 17.08 -06 07 54.2 r G96
2012-05-28 10:23:05 C 21 56 18.24 -06 07 53.3 r G96
2012-05-29 11:08:12 C 21 59 43.27 -06 04 42.3 o 291
2012-05-29 11:09:44 C 21 59 43.44 -06 04 41.8 o 291
2012-06-05 08:01:38 C 22 23 17.87 -05 46 34.4 o 807
2012-06-05 08:12:12 C 22 23 19.40 -05 46 33.8 o 807
2012-06-05 08:22:42 C 22 23 20.93 -05 46 32.7 o 807
2012-06-24 08:37:36 C 23 36 09.61 -05 37 09.3 u 807
2012-06-24 08:44:08 C 23 36 10.69 -05 37 10.2 u 807
2012-07-07 08:08:46 C 00 31 14.17 -06 13 58.8 u 807
2012-07-07 08:13:05 C 00 31 14.95 -06 13 59.5 u 807
2012-07-07 08:17:28 C 00 31 15.70 -06 14 00.3 u 807
2012-07-07 08:21:33 C 00 31 16.46 -06 14 01.3 u 807
2012-08-12 09:07:00 C 02 57 52.11 -10 30 57.3 t H21
2012-08-12 09:12:26 C 02 57 52.84 -10 30 59.5 t H21
2012-08-12 09:17:51 C 02 57 53.60 -10 31 01.5 t H21
2012-08-12 09:23:03 C 02 57 54.32 -10 31 03.2 t H21
2012-08-23 03:24:25 C 03 31 16.41 -12 07 20.5 u 194
2012-08-23 03:37:51 C 03 31 17.95 -12 07 25.5 u 194
2012-08-23 03:51:20 C 03 31 19.45 -12 07 30.3 u 194
2012-09-01 08:22:17 C 03 54 22.37 -13 29 58.4 u 807
2012-09-01 08:28:13 C 03 54 22.91 -13 30 00.5 u 807
2012-09-01 08:34:11 C 03 54 23.44 -13 30 02.9 u 807
2012-09-01 08:43:23 C 03 54 24.26 -13 30 06.2 u 807