2012 KA4

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.7799690142 ± 2.81e-08
Semi-major axis (a)1.1002603724 AU ± 3.35e-09
Inclination (i)5.80368372° ± 4.93e-06
Long. of Asc. Node (Ω)214.85154420° ± 2.49e-05
Arg. of Perihelion (ω)237.54227810° ± 2.26e-05
Mean Anomaly (M)295.64011561° ± 1.82e-05
Mean Motion (n)0.8540220207°/day ± 3.90e-09
Perihelion dist (q)0.24209137 AU ± 3.09e-08
Aphelion dist (Q)1.95842937 AU ± 3.15e-08
Orbital Period1.15409938 yr ± 5.26e-09
Physical Parameters
H (abs. magnitude)21.16
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.199″
Uncertainty0
Orbit TypeApollo
MOID0.026110 AU
Observations Used90
Oppositions1
Arc Total2012-2019
First Observation Used2012-05-18
Last Observation Used2019-06-07
Observations (104)
Date Type RA Dec Mag Band Observatory
2012-05-17 04:53:03 C 10 35 11.43 +24 00 43.5 r 703
2012-05-17 05:01:50 C 10 35 21.26 +23 59 35.7 r 703
2012-05-17 05:10:31 C 10 35 31.23 +23 58 28.9 r 703
2012-05-17 05:19:14 C 10 35 41.13 +23 57 23.1 r 703
2012-05-17 05:53:33 C 10 36 19.91 +23 53 02.5 c 854
2012-05-17 06:00:45 C 10 36 27.90 +23 52 07.5 c 854
2012-05-17 06:07:57 C 10 36 35.91 +23 51 15.9 c 854
2012-05-18 05:11:30 C 11 00 24.87 +21 04 38.8 r G96
2012-05-18 05:21:27 C 11 00 33.94 +21 03 30.4 r G96
2012-05-18 05:31:29 C 11 00 43.16 +21 02 20.4 r G96
2012-05-18 05:41:28 C 11 00 52.34 +21 01 10.8 r G96
2012-05-18 20:36:19 C 11 13 56.09 +19 21 11.8 t 204
2012-05-18 20:47:15 C 11 14 04.87 +19 20 00.4 t 204
2012-05-18 20:58:18 C 11 14 13.81 +19 18 49.4 t 204
2012-05-19 02:49:51 C 11 18 54.94 +18 41 42.8 t H21
2012-05-19 02:53:52 C 11 18 58.01 +18 41 17.0 t H21
2012-05-19 02:57:49 C 11 19 01.03 +18 40 52.8 t H21
2012-05-19 03:01:47 C 11 19 04.06 +18 40 27.4 t H21
2012-05-19 11:33:08 C 11 25 28.64 +17 49 31.0 u D90
2012-05-19 11:39:27 C 11 25 33.12 +17 48 54.1 u D90
2012-05-19 11:52:05 C 11 25 42.10 +17 47 37.6 u D90
2012-05-20 03:56:30 C 11 36 36.66 +16 14 26.2 u H21
2012-05-20 04:00:33 C 11 36 39.21 +16 14 04.0 u H21
2012-05-20 04:04:31 C 11 36 41.69 +16 13 42.1 u H21
2012-05-20 04:08:28 C 11 36 44.14 +16 13 20.6 u H21
2012-05-20 04:12:25 C 11 36 46.61 +16 12 58.5 u H21
2012-05-22 04:08:28 C 12 02 21.78 +12 23 58.1 u H21
2012-05-22 04:11:41 C 12 02 23.18 +12 23 44.4 u H21
2012-05-22 04:18:57 C 12 02 26.34 +12 23 14.5 u H21
2012-05-23 03:32:08 C 12 12 02.69 +10 53 02.0 u H21
2012-05-23 03:36:09 C 12 12 04.18 +10 52 47.1 u H21
2012-05-23 03:40:07 C 12 12 05.65 +10 52 32.6 u H21
2012-05-23 22:47:57 C 12 19 01.54 +09 47 22.2 o 807
2012-05-23 22:56:05 C 12 19 04.21 +09 46 55.3 o 807
2012-05-23 23:04:13 C 12 19 06.89 +09 46 29.1 o 807
2012-05-24 02:37:54 C 12 20 16.96 +09 34 07.5 u H21
2012-05-24 02:44:19 C 12 20 19.00 +09 33 46.7 u H21
2012-05-24 02:57:14 C 12 20 23.17 +09 33 05.5 u H21
2012-05-24 21:50:45 C 12 26 18.55 +08 35 38.1 t J04
2012-05-24 21:56:20 C 12 26 20.16 +08 35 21.9 t J04
2012-05-24 22:01:56 C 12 26 21.75 +08 35 05.8 t J04
2012-05-24 22:07:47 C 12 26 23.42 +08 34 48.8 t J04
2012-05-24 22:13:23 C 12 26 25.03 +08 34 32.5 t J04
2012-05-24 22:18:59 C 12 26 26.62 +08 34 16.3 t J04
2012-05-30 03:40:13 C 12 53 59.39 +04 00 26.3 t H21
2012-05-30 03:49:39 C 12 54 00.92 +04 00 10.1 t H21
2012-05-30 03:59:06 C 12 54 02.43 +03 59 55.3 t H21
2012-06-07 02:45:44 C 13 17 26.15 +00 07 18.1 u H21
2012-06-07 03:00:24 C 13 17 27.46 +00 07 04.8 u H21
2012-06-07 03:28:53 C 13 17 29.98 +00 06 39.1 u H21