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
2011-06-26 13:28:46 C 20 05 50.02 -61 09 46.0 r E12
2011-06-26 13:38:59 C 20 05 50.02 -61 09 55.1 r E12
2011-09-03 10:53:13 C 19 51 48.50 -59 05 02.9 r E12
2011-09-03 11:07:04 C 19 51 49.35 -59 04 44.7 r E12
2011-09-03 11:21:00 C 19 51 50.26 -59 04 26.9 r E12
2011-09-03 11:34:50 C 19 51 51.09 -59 04 08.2 r E12
2011-09-03 13:49:07 C 19 51 59.62 -59 01 08.5 r E12
2011-09-03 15:23:17 C 19 52 05.90 -58 58 59.8 r E12
2011-09-03 16:01:38 C 19 52 08.53 -58 58 06.8 r E12
2011-09-04 03:39:07 C 19 53 00.31 -58 42 47.0 u I20
2011-09-04 04:01:37 C 19 53 01.72 -58 42 16.6 u I20
2011-09-04 04:42:09 C 19 53 04.46 -58 41 19.9 u I20
2011-09-04 09:24:29 C 19 53 27.86 -58 35 04.4 r E12
2011-09-04 09:28:12 C 19 53 28.12 -58 34 59.7 r E12
2011-09-04 09:37:15 C 19 53 27.92 -58 34 44.3 o 474
2011-09-04 09:39:15 C 19 53 28.04 -58 34 41.6 o 474
2011-09-04 09:42:14 C 19 53 28.25 -58 34 37.6 o 474
2011-09-04 09:45:16 C 19 53 28.44 -58 34 33.6 o 474
2011-09-04 14:39:45 C 19 53 48.69 -58 27 46.4 o 474
2011-09-04 14:41:45 C 19 53 48.83 -58 27 43.6 o 474
2011-09-04 14:44:05 C 19 53 49.00 -58 27 40.3 o 474
2011-09-04 14:46:14 C 19 53 49.16 -58 27 37.2 o 474
2011-09-04 15:01:02 C 19 53 50.41 -58 27 24.7 u D90
2011-09-04 15:05:17 C 19 53 50.71 -58 27 18.7 u D90
2011-09-04 15:06:42 C 19 53 50.81 -58 27 16.7 u D90
2011-09-04 15:12:27 C 19 53 51.19 -58 27 08.8 u D90
2011-09-04 15:15:17 C 19 53 51.40 -58 27 04.7 u D90
2011-09-04 15:22:24 C 19 53 51.89 -58 26 54.9 u D90
2011-09-04 23:25:38 C 19 54 31.13 -58 16 00.5 o 807
2011-09-04 23:32:47 C 19 54 31.54 -58 15 50.5 o 807
2011-09-04 23:39:40 C 19 54 32.06 -58 15 41.5 o 807
2011-09-04 23:46:19 C 19 54 32.48 -58 15 32.6 o 807
2011-09-05 10:18:43 C 19 55 20.05 -58 01 01.5 r E12
2011-09-05 10:22:47 C 19 55 20.34 -58 00 56.1 r E12
2011-09-05 11:33:12 C 19 55 25.09 -57 59 17.4 o E16
2011-09-05 11:42:50 C 19 55 25.67 -57 59 03.5 o E16
2011-09-05 11:47:06 C 19 55 26.03 -57 58 58.2 o E16
2011-09-07 11:10:47 C 19 59 11.13 -56 51 18.2 o E16
2011-09-07 11:21:41 C 19 59 11.94 -56 51 01.9 o E16
2011-09-07 11:32:35 C 19 59 12.75 -56 50 46.0 o E16
2011-09-13 13:49:33 C 20 11 54.25 -52 59 29.5 u D90
2011-09-13 13:58:09 C 20 11 54.99 -52 59 14.8 u D90
2011-09-13 14:06:41 C 20 11 55.70 -52 59 00.1 u D90
2011-09-13 14:15:12 C 20 11 56.47 -52 58 45.0 u D90
2011-09-15 02:53:13 C 20 15 20.50 -51 55 40.8 o 844
2011-09-15 02:56:04 C 20 15 20.76 -51 55 36.3 o 844
2011-09-15 02:58:54 C 20 15 21.06 -51 55 30.9 o 844
2011-09-15 03:01:45 C 20 15 21.21 -51 55 25.7 o 844
2011-09-15 03:04:34 C 20 15 21.45 -51 55 20.9 o 844
2011-09-15 03:07:25 C 20 15 21.71 -51 55 15.5 o 844