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
2003-01-28 09:36:02 C 10 01 42.45 +12 32 00.2 o 645
2003-01-28 09:37:14 C 10 01 42.40 +12 32 00.3 o 645
2008-10-02 10:51:48 C 02 03 10.21 +16 32 43.8 o 645
2008-10-02 10:53:00 C 02 03 10.15 +16 32 43.7 o 645
2012-06-19 18:49:41 C 21 31 18.69 -23 45 11.4 r E12
2012-06-19 19:06:13 C 21 31 20.29 -23 44 58.3 r E12
2012-06-19 19:22:47 C 21 31 21.88 -23 44 45.0 r E12
2012-06-19 19:39:22 C 21 31 23.50 -23 44 31.9 r E12
2012-06-21 10:03:19 C 21 35 18.85 -23 15 11.7 r G96
2012-06-21 10:11:34 C 21 35 19.60 -23 15 05.5 r G96
2012-06-21 10:18:49 C 21 35 20.25 -23 14 59.9 r G96
2012-06-21 10:26:09 C 21 35 20.94 -23 14 54.2 r G96
2012-06-22 02:21:57 C 21 36 54.69 -23 02 32.6 o 954
2012-06-22 03:09:27 C 21 36 58.98 -23 01 56.5 o 954
2012-06-22 03:29:26 C 21 37 00.74 -23 01 41.5 o 954
2012-06-22 06:00:30 C 21 37 15.60 -22 59 16.7 u 807
2012-06-22 06:05:28 C 21 37 16.03 -22 59 13.2 u 807
2012-06-22 06:07:56 C 21 37 16.28 -22 59 11.3 u 807
2012-06-22 06:10:27 C 21 37 16.47 -22 59 09.7 u 807
2012-06-22 06:13:00 C 21 37 16.70 -22 59 07.7 u 807
2012-06-22 06:15:27 C 21 37 16.92 -22 59 05.8 u 807
2012-06-22 06:17:56 C 21 37 17.17 -22 59 03.9 u 807
2012-06-22 08:48:37 C 21 37 31.53 -22 57 36.5 c 854
2012-06-22 08:52:31 C 21 37 31.87 -22 57 32.5 c 854
2012-06-22 08:56:25 C 21 37 32.20 -22 57 31.3 c 854
2012-06-22 10:17:29 C 21 37 39.28 -22 56 29.0 r G96
2012-06-22 10:18:51 C 21 37 39.39 -22 56 27.8 r G96
2012-06-22 10:20:13 C 21 37 39.54 -22 56 26.8 r G96
2012-06-22 10:21:34 C 21 37 39.64 -22 56 25.7 r G96
2012-06-23 05:38:36 C 21 39 27.93 -22 41 04.8 u I39
2012-06-23 05:59:47 C 21 39 29.92 -22 40 49.6 u I39
2012-06-23 06:20:57 C 21 39 31.65 -22 40 32.5 u I39
2012-06-23 08:55:09 C 21 39 45.43 -22 39 08.5 t H21
2012-06-23 08:59:45 C 21 39 45.82 -22 39 04.9 t H21
2012-06-23 09:04:21 C 21 39 46.20 -22 39 01.4 t H21
2012-06-23 09:08:18 C 21 39 46.52 -22 38 58.3 t H21
2012-06-23 14:15:46 C 21 40 15.76 -22 34 29.1 r E12
2012-06-23 14:21:19 C 21 40 16.21 -22 34 24.8 r E12
2012-06-23 16:38:57 C 21 40 27.66 -22 32 41.9 o E23
2012-06-23 16:45:01 C 21 40 28.14 -22 32 36.7 o E23
2012-06-23 16:52:15 C 21 40 28.75 -22 32 31.0 o E23
2012-06-25 08:28:04 C 21 43 54.78 -22 02 31.4 u 807
2012-06-25 08:35:36 C 21 43 55.35 -22 02 25.4 u 807
2012-06-25 08:59:23 C 21 43 57.16 -22 02 07.6 u 807
2012-06-25 09:34:33 C 21 43 59.83 -22 01 40.5 u 807
2012-06-25 09:58:30 C 21 44 01.65 -22 01 21.9 u 807
2012-06-27 04:49:11 C 21 47 30.36 -21 29 21.6 u 807
2012-06-27 04:52:04 C 21 47 30.56 -21 29 19.5 u 807
2012-06-27 04:54:57 C 21 47 30.76 -21 29 17.4 u 807
2012-06-27 04:57:50 C 21 47 30.98 -21 29 15.3 u 807