IAA RAS IAA Minor Planet Database

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
2019-10-03 08:28:15 C 02 48 48.22 +19 43 00.1 – U I41
2019-10-04 02:04:45 C 02 48 03.09 +20 14 46.6 – q 160
2019-10-04 02:05:20 C 02 48 03.17 +20 14 46.9 – V A16
2019-10-04 02:07:44 C 02 48 02.94 +20 14 52.4 – q 160
2019-10-04 02:10:37 C 02 48 02.82 +20 14 57.2 – q 160
2019-10-04 02:16:48 C 02 48 02.62 +20 15 07.9 – V A16
2019-10-04 02:28:16 C 02 48 02.04 +20 15 28.0 – V A16
2019-10-04 02:39:47 C 02 48 01.50 +20 15 48.6 – V A16
2019-10-05 08:21:49 C 02 46 42.61 +21 08 53.7 – V 703
2019-10-05 08:29:23 C 02 46 42.21 +21 09 07.5 – V 703
2019-10-05 08:36:58 C 02 46 41.82 +21 09 21.0 – V 703
2019-10-05 08:44:32 C 02 46 41.42 +21 09 34.1 – V 703
2019-10-05 09:18:29 C 02 46 39.79 +21 10 34.2 – U I41
2019-10-05 09:19:08 C 02 46 39.75 +21 10 35.3 – U I41
2019-10-05 09:23:45 C 02 46 39.51 +21 10 43.5 – U I41
2019-10-05 09:24:25 C 02 46 39.47 +21 10 44.6 – U I41
2019-10-05 09:52:03 C 02 46 39.04 +21 11 37.2 – V T08
2019-10-05 09:56:50 C 02 46 38.79 +21 11 45.6 – V T08
2019-10-05 10:25:50 C 02 46 37.28 +21 12 37.5 – V T08
2019-10-05 13:41:35 C 02 46 26.857 +21 18 22.67 – U F52
2019-10-05 13:59:16 C 02 46 25.916 +21 18 53.60 – U F52
2019-10-05 14:34:37 C 02 46 24.056 +21 19 55.22 – U F52
2019-10-07 08:36:00 C 02 44 21.72 +22 32 50.7 – U I41
2019-10-07 08:58:44 C 02 44 20.43 +22 33 29.8 – U I41
2019-10-07 08:59:23 C 02 44 20.39 +22 33 30.9 – U I41
2019-10-07 09:36:30 C 02 44 19.27 +22 34 37.2 – V T05
2019-10-07 09:46:26 C 02 44 18.72 +22 34 54.7 – V T05
2019-10-07 09:50:56 C 02 44 17.43 +22 34 59.0 – U I41
2019-10-07 09:51:36 C 02 44 17.40 +22 35 00.2 – U I41
2019-10-07 10:04:13 C 02 44 17.71 +22 35 25.3 – V T05
2019-10-07 10:08:14 C 02 44 17.47 +22 35 32.2 – V T05
2019-10-07 10:18:09 C 02 44 15.87 +22 35 45.5 – U I41
2019-10-07 11:01:29 C 02 44 14.41 +22 37 03.9 – V T05
2019-10-08 02:03:48 C 02 43 26.64 +23 02 28.0 – q 160
2019-10-08 02:06:45 C 02 43 26.53 +23 02 33.1 – q 160
2019-10-08 02:09:44 C 02 43 26.30 +23 02 37.9 – q 160
2019-10-08 07:43:53 C 02 43 09.58 +23 12 04.4 – U I41
2019-10-08 07:44:32 C 02 43 09.54 +23 12 05.5 – U I41
2019-10-08 08:45:53 C 02 43 05.78 +23 13 49.2 – V 703
2019-10-08 08:53:26 C 02 43 05.33 +23 14 01.9 – V 703
2019-10-08 09:01:01 C 02 43 04.88 +23 14 14.7 – V 703
2019-10-08 09:08:35 C 02 43 04.43 +23 14 27.3 – V 703
2019-10-08 10:35:36 C 02 42 59.39 +23 16 53.2 – U I41
2019-10-09 00:42:00 C 02 42 14.04 +23 40 20.5 – q 160
2019-10-09 00:44:50 C 02 42 13.86 +23 40 25.2 – q 160
2019-10-09 00:47:49 C 02 42 13.67 +23 40 30.2 – q 160
2019-10-09 07:25:36 C 02 41 52.28 +23 51 31.5 – V G96
2019-10-09 07:32:26 C 02 41 51.86 +23 51 42.8 – V G96
2019-10-09 07:39:13 C 02 41 51.45 +23 51 54.1 – V G96
2019-10-09 07:46:03 C 02 41 51.03 +23 52 05.3 – V G96