2012 MR4

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6717209544 ± 1.91e-07
Semi-major axis (a)1.6040017770 AU ± 4.72e-08
Inclination (i)53.14344533° ± 3.72e-05
Long. of Asc. Node (Ω)286.30053482° ± 9.82e-06
Arg. of Perihelion (ω)171.09748159° ± 1.99e-05
Mean Anomaly (M)97.57826748° ± 1.09e-04
Mean Motion (n)0.4851823666°/day ± 2.14e-08
Perihelion dist (q)0.52656017 AU ± 3.07e-07
Aphelion dist (Q)2.68144338 AU ± 3.17e-07
Orbital Period2.03145529 yr ± 8.97e-08
Physical Parameters
H (abs. magnitude)17.63
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.309″
Uncertainty0
Orbit TypeApollo
MOID0.453579 AU
Observations Used76
Oppositions5
Arc Total2012-2022
First Observation Used2012-06-18
Last Observation Used2022-07-06
Observations (77)
Date Type RA Dec Mag Band Observatory
2013-05-07 07:31:17 C 05 11 59.59 -57 45 12.9 o 474
2013-05-07 22:56:43 C 05 15 04.97 -58 00 20.9 u 807
2013-05-07 23:00:16 C 05 15 05.67 -58 00 24.2 u 807
2013-05-07 23:03:49 C 05 15 06.39 -58 00 27.4 u 807
2013-05-07 23:07:22 C 05 15 07.09 -58 00 30.8 u 807
2013-05-07 23:13:56 C 05 15 08.41 -58 00 37.1 u 807
2013-05-08 06:56:50 C 05 16 42.46 -58 08 05.7 o 474
2013-05-08 07:00:52 C 05 16 43.22 -58 08 09.5 o 474
2013-05-08 07:05:34 C 05 16 44.18 -58 08 14.0 o 474
2014-06-22 09:32:10 C 20 11 49.53 -11 52 23.1 o 291
2014-06-22 09:36:19 C 20 11 49.19 -11 52 21.5 o 291
2014-06-22 09:40:29 C 20 11 48.92 -11 52 19.6 o 291
2018-06-07 09:21:45 C 20 21 57.12 -18 25 29.4 U I52
2018-06-07 09:33:59 C 20 21 56.46 -18 25 25.8 U I52
2018-06-07 09:44:27 C 20 21 55.91 -18 25 22.6 U I52
2018-06-07 09:51:36 C 20 21 55.55 -18 25 21.1 U I52
2018-06-12 09:38:54 C 20 15 53.64 -17 53 07.2 o 691
2018-06-12 10:03:21 C 20 15 52.22 -17 53 01.6 o 691
2018-06-12 10:27:48 C 20 15 50.87 -17 52 55.2 o 691
2018-06-13 12:44:04 C 20 14 23.235 -17 45 43.95 U F51
2018-06-13 13:01:28 C 20 14 22.224 -17 45 38.96 U F51
2018-06-13 13:18:52 C 20 14 21.215 -17 45 34.50 U F51
2018-06-13 13:36:15 C 20 14 20.191 -17 45 29.71 U F51
2022-07-06 09:21:05 C 19 22 54.938 -19 49 52.91 U F52
2022-07-06 09:31:07 C 19 22 54.050 -19 49 49.86 U F52
2022-07-06 09:41:06 C 19 22 53.154 -19 49 47.11 U F52
2022-07-06 09:51:07 C 19 22 52.256 -19 49 44.32 U F52