857478 (2012 MK6)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5329766410 ± 2.54e-08
Semi-major axis (a)2.6425187183 AU ± 6.47e-09
Inclination (i)2.72845021° ± 2.46e-06
Long. of Asc. Node (Ω)327.00723620° ± 2.85e-05
Arg. of Perihelion (ω)303.38014365° ± 2.96e-05
Mean Anomaly (M)47.18976787° ± 6.32e-06
Mean Motion (n)0.2294484708°/day ± 8.42e-10
Perihelion dist (q)1.23411797 AU ± 6.71e-08
Aphelion dist (Q)4.05091947 AU ± 6.77e-08
Orbital Period4.29563239 yr ± 1.58e-08
Physical Parameters
H (abs. magnitude)19.14
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.176″
Uncertainty0
Orbit TypeAmor
MOID0.220985 AU
Observations Used254
Oppositions17
Arc Total2003-2025
First Observation Used2003-01-28
Last Observation Used2025-10-28
Observations (262)
Date Type RA Dec Mag Band Observatory
2012-06-27 05:00:44 C 21 47 31.18 -21 29 13.3 u 807
2012-06-29 07:34:26 C 21 51 12.46 -20 52 51.2 u H21
2012-06-29 07:39:44 C 21 51 12.80 -20 52 48.0 u H21
2012-06-29 07:45:20 C 21 51 13.15 -20 52 44.0 u H21
2012-07-01 01:09:54 C 21 53 57.71 -20 23 17.2 t 204
2012-07-01 01:23:52 C 21 53 58.52 -20 23 07.4 t 204
2012-07-02 06:35:07 C 21 55 45.51 -20 02 15.6 u 807
2012-07-02 06:43:50 C 21 55 45.93 -20 02 09.7 u 807
2012-07-02 08:33:00 C 21 55 52.00 -20 01 25.1 u H21
2012-07-02 08:37:57 C 21 55 52.24 -20 01 22.2 u H21
2012-07-02 08:46:06 C 21 55 52.68 -20 01 16.9 u H21
2012-07-02 08:54:24 C 21 55 53.10 -20 01 10.5 u H21
2012-07-02 09:01:25 C 21 55 53.49 -20 01 05.8 u H21
2012-07-02 09:08:40 C 21 55 53.85 -20 01 01.1 u H21
2012-07-10 04:38:39 C 22 04 23.37 -18 00 36.7 u 807
2012-07-10 04:56:16 C 22 04 23.83 -18 00 26.8 u 807
2012-07-10 07:41:25 C 22 04 28.41 -17 59 21.8 u H21
2012-07-10 07:48:30 C 22 04 28.59 -17 59 17.6 u H21
2012-07-10 07:55:49 C 22 04 28.79 -17 59 13.3 u H21
2012-07-11 07:29:20 C 22 05 11.71 -17 45 36.8 u H21
2012-07-11 07:34:39 C 22 05 11.83 -17 45 34.0 u H21
2012-07-11 07:40:08 C 22 05 11.95 -17 45 30.9 u H21
2012-07-11 07:45:48 C 22 05 12.08 -17 45 27.5 u H21
2012-07-12 07:48:35 C 22 05 51.17 -17 31 54.8 u H21
2012-07-12 07:55:38 C 22 05 51.31 -17 31 51.0 u H21
2012-07-12 08:02:42 C 22 05 51.44 -17 31 47.1 u H21
2012-07-12 08:09:45 C 22 05 51.57 -17 31 43.3 u H21
2012-07-12 08:18:22 C 22 05 51.72 -17 31 38.5 u H21
2012-07-15 08:54:49 C 22 07 23.43 -16 52 50.9 18.8 c 704
2012-07-15 09:10:05 C 22 07 23.56 -16 52 43.7 18.8 c 704
2012-07-15 09:25:26 C 22 07 23.72 -16 52 34.9 18.4 c 704
2012-07-15 09:40:39 C 22 07 23.86 -16 52 27.2 18.4 c 704
2012-07-15 09:55:53 C 22 07 24.03 -16 52 20.0 18.2 c 704
2012-07-20 09:15:33 C 22 08 33.99 -15 55 34.1 19.0 c 704
2012-07-20 09:32:49 C 22 08 33.95 -15 55 27.6 19.1 c 704
2012-07-20 09:49:38 C 22 08 33.95 -15 55 21.3 18.7 c 704
2012-07-20 10:08:15 C 22 08 33.86 -15 55 12.8 18.7 c 704
2012-07-20 10:25:18 C 22 08 33.77 -15 55 03.9 18.5 c 704
2012-07-21 09:01:52 C 22 08 36.84 -15 45 17.1 u H21
2012-07-21 09:04:54 C 22 08 36.82 -15 45 15.7 u H21
2012-07-21 09:07:38 C 22 08 36.80 -15 45 14.6 u H21
2012-07-22 01:38:36 C 22 08 37.52 -15 38 17.7 t 204
2012-07-22 01:44:48 C 22 08 37.45 -15 38 15.2 t 204
2012-07-22 01:51:09 C 22 08 37.44 -15 38 12.4 t 204
2012-07-23 06:13:24 C 22 08 34.82 -15 26 05.0 u 807
2012-07-23 06:19:54 C 22 08 34.74 -15 26 02.2 u 807
2012-07-23 06:27:17 C 22 08 34.67 -15 25 59.4 u 807
2012-07-23 06:32:40 C 22 08 35.03 -15 26 25.4 u H21
2012-07-23 06:33:10 C 22 08 34.61 -15 25 57.0 u 807
2012-07-23 06:37:16 C 22 08 34.98 -15 26 23.6 u H21