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
2012-06-18 08:52:58 C 20 22 58.69 -09 52 23.5 r G96
2012-06-18 09:00:30 C 20 22 58.29 -09 52 20.7 r G96
2012-06-18 09:08:04 C 20 22 57.82 -09 52 17.4 r G96
2012-06-18 09:15:33 C 20 22 57.36 -09 52 14.3 r G96
2012-06-18 09:50:34 C 20 22 55.27 -09 51 59.3 r G96
2012-06-18 09:54:33 C 20 22 54.94 -09 51 57.2 r G96
2012-06-18 09:58:38 C 20 22 54.76 -09 51 56.5 r G96
2012-06-18 10:02:39 C 20 22 54.48 -09 51 55.3 r G96
2012-06-19 07:53:50 C 20 21 35.72 -09 42 39.3 t H21
2012-06-19 08:08:48 C 20 21 34.75 -09 42 33.1 t H21
2012-06-19 08:24:01 C 20 21 33.80 -09 42 26.3 t H21
2012-06-19 08:39:52 C 20 21 32.84 -09 42 19.6 t H21
2012-06-19 10:52:15 C 20 21 24.66 -09 41 22.6 o 291
2012-06-19 10:57:31 C 20 21 24.34 -09 41 20.4 o 291
2012-06-20 07:00:32 C 20 20 10.10 -09 32 49.7 o H01
2012-06-20 07:12:40 C 20 20 09.33 -09 32 44.6 o H01
2012-06-20 07:22:33 C 20 20 08.70 -09 32 40.3 o H01
2012-06-20 07:33:31 C 20 20 08.00 -09 32 35.6 o H01
2012-06-20 08:16:31 C 20 20 05.29 -09 32 17.5 r G96
2012-06-20 08:36:10 C 20 20 04.01 -09 32 09.3 r G96
2012-06-20 08:45:54 C 20 20 03.41 -09 32 04.4 r G96
2012-06-21 06:38:59 C 20 18 39.97 -09 22 45.9 o H01
2012-06-21 06:49:27 C 20 18 39.29 -09 22 41.5 o H01
2012-06-21 06:59:16 C 20 18 38.65 -09 22 37.4 o H01
2012-06-21 07:09:01 C 20 18 38.00 -09 22 33.2 o H01
2012-06-21 08:35:23 C 20 18 32.35 -09 21 56.3 o 291
2012-06-21 08:40:41 C 20 18 32.01 -09 21 53.8 o 291
2012-06-21 08:45:57 C 20 18 31.65 -09 21 51.7 o 291
2012-06-22 08:07:20 C 20 17 00.02 -09 11 54.1 o 291
2012-06-22 08:12:37 C 20 16 59.67 -09 11 52.0 o 291
2012-06-27 09:53:47 C 20 08 24.06 -08 19 44.6 o 291
2012-06-27 09:56:53 C 20 08 23.77 -08 19 43.7 o 291
2012-06-27 09:59:59 C 20 08 23.55 -08 19 42.2 o 291
2012-06-28 08:20:57 C 20 06 42.43 -08 10 06.1 o 291
2012-06-28 08:24:03 C 20 06 42.18 -08 10 05.1 o 291
2012-06-28 08:27:09 C 20 06 41.93 -08 10 03.6 o 291
2012-07-09 06:20:09 C 19 44 44.50 -06 18 38.8 u 807
2012-07-09 06:26:09 C 19 44 43.97 -06 18 36.2 u 807
2012-07-09 06:32:39 C 19 44 43.36 -06 18 33.3 u 807
2012-07-09 06:39:07 C 19 44 42.77 -06 18 30.6 u 807
2012-07-09 06:45:06 C 19 44 42.22 -06 18 28.0 u 807
2012-08-14 06:20:59 C 18 28 40.41 -01 42 09.3 o 291
2012-08-14 06:23:54 C 18 28 40.28 -01 42 10.1 o 291
2012-08-14 06:25:38 C 18 28 40.07 -01 42 08.6 o 291
2013-03-29 09:26:39 C 02 56 57.16 -36 21 28.7 q E12
2013-03-29 09:44:06 C 02 56 59.27 -36 22 04.4 q E12
2013-03-31 09:26:07 C 03 02 56.66 -37 57 32.2 q E12
2013-03-31 09:31:37 C 03 02 57.36 -37 57 42.4 q E12
2013-05-07 07:22:10 C 05 11 57.77 -57 45 03.9 o 474
2013-05-07 07:25:13 C 05 11 58.36 -57 45 07.5 o 474