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
2011-11-10 00:14:33 C 22 32 22.07 -04 52 10.5 o 807
2011-11-10 00:17:41 C 22 32 22.41 -04 52 04.6 o 807
2011-11-10 02:21:37 C 22 32 34.65 -04 48 41.4 o H21
2011-11-10 02:25:40 C 22 32 35.06 -04 48 34.7 o H21
2011-11-10 02:29:44 C 22 32 35.45 -04 48 27.2 o H21
2011-11-10 02:33:48 C 22 32 35.82 -04 48 20.1 o H21
2011-11-10 02:38:16 C 22 32 36.27 -04 48 12.0 o H21
2011-11-16 02:37:34 C 22 47 00.67 -00 45 23.9 r 703
2011-11-16 02:44:51 C 22 47 01.42 -00 45 11.8 r 703
2011-11-16 02:52:14 C 22 47 02.25 -00 45 01.2 r 703
2011-11-16 02:59:40 C 22 47 02.90 -00 44 48.7 r 703
2011-11-24 00:16:04 C 23 05 52.27 +04 00 23.0 o 807
2011-11-24 00:22:43 C 23 05 52.91 +04 00 32.7 o 807
2011-11-24 00:29:20 C 23 05 53.56 +04 00 41.9 o 807
2011-11-24 00:35:58 C 23 05 54.19 +04 00 51.2 o 807
2011-11-24 00:42:16 C 23 05 54.80 +04 01 00.2 o 807
2011-12-08 02:35:58 C 23 39 25.67 +11 04 24.0 o H21
2011-12-08 02:42:07 C 23 39 26.29 +11 04 30.9 o H21
2011-12-08 02:54:57 C 23 39 27.55 +11 04 45.7 o H21
2011-12-19 01:03:48 C 00 05 26.85 +15 31 40.9 o 807
2011-12-19 01:09:44 C 00 05 27.44 +15 31 46.4 o 807
2014-03-27 01:59:53 C 12 37 32.36 -00 37 06.0 23.4 t 950
2014-03-27 02:11:00 C 12 37 31.91 -00 37 03.9 23.3 t 950
2015-05-12 08:47:20 C 20 32 50.50 -43 32 33.1 u 807
2015-05-12 08:57:02 C 20 32 51.55 -43 32 36.2 u 807
2015-05-12 09:07:28 C 20 32 52.68 -43 32 39.7 u 807
2015-05-13 08:51:11 C 20 35 30.21 -43 40 54.4 u 807
2015-05-13 08:59:31 C 20 35 31.11 -43 40 56.8 u 807
2015-05-13 09:07:55 C 20 35 32.03 -43 40 59.7 u 807
2015-05-31 06:46:38 C 21 24 51.84 -46 13 46.7 u 807
2015-05-31 06:54:38 C 21 24 52.77 -46 13 50.1 u 807
2015-05-31 07:02:52 C 21 24 53.78 -46 13 53.4 u 807
2015-06-07 06:30:09 C 21 45 03.95 -47 13 17.5 u 807
2015-06-07 06:35:19 C 21 45 04.56 -47 13 20.0 u 807
2015-06-07 06:40:56 C 21 45 05.21 -47 13 21.6 u 807
2015-06-07 06:46:06 C 21 45 05.81 -47 13 23.2 u 807
2015-06-07 06:51:40 C 21 45 06.54 -47 13 25.8 u 807
2015-06-15 06:06:08 C 22 08 41.41 -48 18 51.1 u 807
2015-06-15 06:10:27 C 22 08 41.93 -48 18 52.9 u 807
2015-06-15 06:14:47 C 22 08 42.43 -48 18 54.5 u 807
2015-06-15 06:19:12 C 22 08 42.97 -48 18 55.9 u 807
2015-06-15 06:23:42 C 22 08 43.51 -48 18 57.3 u 807
2015-07-04 07:19:09 C 23 05 45.07 -50 25 27.0 u 807
2015-07-04 07:25:38 C 23 05 45.81 -50 25 28.3 u 807
2015-07-04 07:32:02 C 23 05 46.58 -50 25 30.2 u 807
2015-08-03 07:29:31 C 00 21 09.68 -50 21 36.2 q Y00
2015-08-03 07:42:40 C 00 21 10.56 -50 21 31.9 q Y00
2015-08-03 07:55:50 C 00 21 11.45 -50 21 27.4 q Y00
2015-08-29 12:19:45 C 00 42 40.574 -42 57 20.52 L F51
2015-08-29 12:31:49 C 00 42 40.353 -42 57 05.21 L F51