442243 (2011 MD11)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4962774724 ± 2.27e-08
Semi-major axis (a)2.5009588426 AU ± 4.08e-09
Inclination (i)16.16044842° ± 2.97e-06
Long. of Asc. Node (Ω)15.87745591° ± 3.75e-06
Arg. of Perihelion (ω)333.18863451° ± 9.98e-06
Mean Anomaly (M)207.04388565° ± 4.19e-06
Mean Motion (n)0.2492025368°/day ± 6.09e-10
Perihelion dist (q)1.25978931 AU ± 5.69e-08
Aphelion dist (Q)3.74212838 AU ± 5.72e-08
Orbital Period3.95512139 yr ± 9.67e-09
Physical Parameters
H (abs. magnitude)18.09
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.316″
Uncertainty0
Orbit TypeAmor
MOID0.276060 AU
Observations Used1085
Oppositions9
Arc Total2011-2023
First Observation Used2011-06-26
Last Observation Used2023-12-31
Observations (1294)
Date Type RA Dec Mag Band Observatory
2011-09-15 03:10:16 C 20 15 21.79 -51 55 10.8 o 844
2011-09-15 03:13:07 C 20 15 22.41 -51 55 06.0 o 844
2011-09-15 03:15:58 C 20 15 22.39 -51 54 59.8 o 844
2011-09-15 03:18:48 C 20 15 22.60 -51 54 55.1 o 844
2011-09-15 03:23:48 C 20 15 23.47 -51 54 45.6 o 844
2011-09-15 03:26:38 C 20 15 23.47 -51 54 41.2 o 844
2011-09-15 03:29:28 C 20 15 23.72 -51 54 36.0 o 844
2011-09-15 03:32:18 C 20 15 23.96 -51 54 31.1 o 844
2011-09-15 03:35:09 C 20 15 24.20 -51 54 26.3 o 844
2011-09-15 03:37:59 C 20 15 24.43 -51 54 21.8 o 844
2011-09-15 03:40:50 C 20 15 24.76 -51 54 15.7 o 844
2011-09-15 03:43:41 C 20 15 25.12 -51 54 09.8 o 844
2011-09-15 03:46:31 C 20 15 25.18 -51 54 06.1 o 844
2011-09-15 03:49:21 C 20 15 25.49 -51 54 00.1 o 844
2011-09-28 23:39:38 C 20 48 30.44 -40 59 08.3 o 807
2011-09-28 23:42:46 C 20 48 30.75 -40 59 01.4 o 807
2011-09-29 23:39:01 C 20 50 59.60 -40 06 57.1 o 807
2011-09-29 23:45:55 C 20 51 00.27 -40 06 42.1 o 807
2011-09-29 23:52:48 C 20 51 00.94 -40 06 27.2 o 807
2011-09-29 23:59:57 C 20 51 01.63 -40 06 11.7 o 807
2011-10-10 23:55:06 C 21 18 36.34 -30 09 11.1 o 807
2011-10-11 00:04:08 C 21 18 37.20 -30 08 50.0 o 807
2011-10-11 00:17:53 C 21 18 38.58 -30 08 18.9 o 807
2011-10-18 02:05:31 C 21 36 18.83 -23 39 30.7 18.8 c 704
2011-10-18 02:23:02 C 21 36 20.54 -23 38 52.1 19.2 c 704
2011-10-18 02:40:24 C 21 36 22.31 -23 38 12.0 19.0 c 704
2011-10-18 02:57:34 C 21 36 24.00 -23 37 34.2 19.1 c 704
2011-10-18 03:14:49 C 21 36 25.67 -23 36 54.0 18.9 c 704
2011-10-20 03:26:41 C 21 41 24.54 -21 48 15.6 18.9 c 704
2011-10-20 03:43:56 C 21 41 26.25 -21 47 37.1 19.2 c 704
2011-10-20 04:01:18 C 21 41 27.93 -21 46 57.4 19.4 c 704
2011-10-20 04:03:23 C 21 41 28.18 -21 46 52.5 u 448
2011-10-20 04:12:06 C 21 41 29.15 -21 46 33.8 u 448
2011-10-20 04:16:42 C 21 41 29.52 -21 46 22.1 u 448
2011-10-20 04:18:27 C 21 41 29.65 -21 46 19.6 19.4 c 704
2011-10-20 04:20:48 C 21 41 29.97 -21 46 14.1 u 448
2011-10-20 04:35:40 C 21 41 31.34 -21 45 41.2 19.1 c 704
2011-10-21 19:39:38 C 21 45 33.26 -20 18 37.6 o 046
2011-10-21 19:44:10 C 21 45 33.71 -20 18 26.9 o 046
2011-10-21 19:45:40 C 21 45 33.79 -20 18 23.5 o 046
2011-10-21 19:52:02 C 21 45 34.40 -20 18 10.0 o 046
2011-10-26 01:46:05 C 21 56 02.36 -16 36 00.1 18.4 c 704
2011-10-26 02:03:45 C 21 56 04.07 -16 35 21.5 18.4 c 704
2011-10-26 02:21:33 C 21 56 05.87 -16 34 43.6 18.9 c 704
2011-10-26 02:57:09 C 21 56 09.37 -16 33 27.5 18.5 c 704
2011-10-29 21:27:38 C 22 05 23.17 -13 23 34.0 t 204
2011-10-29 21:37:11 C 22 05 24.13 -13 23 14.2 t 204
2011-11-09 20:10:33 C 22 31 57.39 -04 59 40.1 t 204
2011-11-09 20:28:36 C 22 31 59.15 -04 59 07.9 t 204
2011-11-10 00:11:13 C 22 32 21.77 -04 52 15.9 o 807