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
2015-10-17 05:26:38 C 00 00 15.65 +02 22 16.3 R G45
2015-10-19 19:59:07 C 23 59 32.55 +04 35 37.6 q 160
2015-10-19 20:01:26 C 23 59 32.50 +04 35 42.5 q 160
2015-10-19 20:03:46 C 23 59 32.47 +04 35 47.5 q 160
2015-10-20 22:13:54 C 23 59 21.23 +05 29 18.5 q Y00
2015-10-20 22:27:34 C 23 59 21.04 +05 29 45.6 q Y00
2015-10-20 22:42:04 C 23 59 20.95 +05 30 15.6 q Y00
2015-10-21 06:02:25 C 23 59 16.73 +05 44 28.2 q H45
2015-10-21 06:03:37 C 23 59 16.72 +05 44 30.4 q H45
2015-10-21 06:06:27 C 23 59 16.68 +05 44 36.2 q H45
2015-10-21 06:09:14 C 23 59 16.65 +05 44 41.8 q H45
2015-10-21 06:11:04 C 23 59 16.62 +05 44 45.3 q H45
2015-10-21 06:12:33 C 23 59 16.61 +05 44 48.1 q H45
2015-10-21 06:25:01 C 23 59 18.000 +05 45 18.73 L F51
2015-10-21 06:40:02 C 23 59 17.825 +05 45 48.57 L F51
2015-10-21 18:46:09 C 23 59 14.17 +06 09 25.5 c A24
2015-10-21 18:47:11 C 23 59 14.17 +06 09 28.1 c A24
2015-10-21 19:50:42 C 23 59 13.66 +06 11 32.3 c A24
2015-10-21 19:51:44 C 23 59 13.63 +06 11 34.2 c A24
2015-10-22 02:36:58 C 23 59 11.88 +06 24 42.1 u H21
2015-10-22 02:38:58 C 23 59 11.87 +06 24 45.8 u H21
2015-10-22 02:40:58 C 23 59 11.84 +06 24 49.8 u H21
2015-10-22 02:42:59 C 23 59 11.84 +06 24 53.6 u H21
2015-10-22 02:44:59 C 23 59 11.81 +06 24 57.7 u H21
2015-10-22 02:47:00 C 23 59 11.81 +06 25 01.5 u H21
2015-10-22 02:49:00 C 23 59 11.79 +06 25 05.3 u H21
2015-10-22 02:51:00 C 23 59 11.76 +06 25 09.1 u H21
2015-10-22 02:53:01 C 23 59 11.76 +06 25 13.0 u H21
2015-10-22 02:55:01 C 23 59 11.75 +06 25 16.8 u H21
2015-10-22 02:57:02 C 23 59 11.73 +06 25 20.7 u H21
2015-10-22 02:59:02 C 23 59 11.71 +06 25 24.6 u H21
2015-10-22 03:01:02 C 23 59 11.70 +06 25 28.5 u H21
2015-10-22 03:03:03 C 23 59 11.67 +06 25 32.4 u H21
2015-10-22 03:05:03 C 23 59 11.64 +06 25 36.1 u H21
2015-10-22 03:08:04 C 23 59 11.63 +06 25 41.9 u H21
2015-10-22 03:10:04 C 23 59 11.61 +06 25 45.7 u H21
2015-10-23 00:52:37 C 23 59 08.63 +07 07 08.0 u H21
2015-10-23 00:54:35 C 23 59 08.59 +07 07 11.7 u H21
2015-10-23 00:56:33 C 23 59 08.60 +07 07 15.3 u H21
2015-10-23 01:02:25 C 23 59 08.55 +07 07 26.4 u H21
2015-10-23 01:13:00 C 23 59 08.49 +07 07 46.2 u H21
2015-10-23 01:16:56 C 23 59 08.47 +07 07 53.6 u H21
2015-10-23 01:19:40 C 23 59 08.44 +07 07 58.6 u H21
2015-10-23 04:12:34 C 23 59 07.27 +07 13 23.2 u H21
2015-10-23 04:14:38 C 23 59 07.25 +07 13 27.1 u H21
2015-10-23 04:16:42 C 23 59 07.25 +07 13 31.2 u H21
2015-10-23 04:18:45 C 23 59 07.23 +07 13 35.0 u H21
2015-10-23 04:20:49 C 23 59 07.20 +07 13 38.8 u H21
2015-10-23 04:22:53 C 23 59 07.19 +07 13 42.6 u H21
2015-10-23 04:24:57 C 23 59 07.18 +07 13 46.4 u H21