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
2019-09-01 11:03:02 C 02 45 28.45 -04 11 59.8 U I41
2019-09-01 11:24:00 C 02 45 29.15 -04 11 24.1 V 703
2019-09-01 11:29:09 C 02 45 29.41 -04 11 15.2 V 703
2019-09-01 11:34:16 C 02 45 29.56 -04 11 06.1 V 703
2019-09-01 11:39:25 C 02 45 29.80 -04 10 57.7 V 703
2019-09-01 12:21:10 C 02 45 31.68 -04 09 46.0 U I41
2019-09-03 09:48:10 C 02 47 32.79 -02 51 09.4 V 703
2019-09-03 09:55:52 C 02 47 33.07 -02 50 56.4 V 703
2019-09-03 10:03:34 C 02 47 33.34 -02 50 42.7 V 703
2019-09-03 10:11:16 C 02 47 33.66 -02 50 29.2 V 703
2019-09-04 03:29:27 C 02 48 15.83 -02 20 12.3 q 160
2019-09-04 03:32:14 C 02 48 15.96 -02 20 07.9 q 160
2019-09-04 03:35:02 C 02 48 16.10 -02 20 02.0 q 160
2019-09-04 10:52:16 C 02 48 33.81 -02 07 08.6 U I41
2019-09-04 12:07:17 C 02 48 36.37 -02 04 56.2 U I41
2019-09-04 13:18:32 C 02 48 39.64 -02 02 46.9 V T05
2019-09-04 13:23:20 C 02 48 39.81 -02 02 38.2 V T05
2019-09-04 13:39:54 C 02 48 40.37 -02 02 08.9 V T05
2019-09-05 11:35:19 C 02 49 30.08 -01 23 18.6 V G96
2019-09-05 11:40:12 C 02 49 30.25 -01 23 09.8 V G96
2019-09-05 11:45:06 C 02 49 30.39 -01 23 01.2 V G96
2019-09-05 11:50:01 C 02 49 30.55 -01 22 52.4 V G96
2019-09-07 13:47:16 C 02 51 13.873 +00 07 05.88 U F51
2019-09-07 14:04:37 C 02 51 14.311 +00 07 37.22 U F51
2019-09-07 14:45:21 C 02 51 15.362 +00 08 51.11 U F51
2019-09-08 14:24:38 C 02 51 58.65 +00 52 01.1 V T05
2019-09-08 14:25:18 C 02 51 58.68 +00 52 02.1 V T05
2019-09-08 14:35:38 C 02 51 58.93 +00 52 20.9 V T05
2019-09-09 10:33:21 C 02 52 33.03 +01 28 59.1 U I41
2019-09-09 11:34:16 C 02 52 34.35 +01 30 51.5 U I41
2019-09-10 13:18:04 C 02 53 14.11 +02 18 36.3 V T08
2019-09-10 13:22:18 C 02 53 14.16 +02 18 44.2 V T08
2019-09-10 13:31:55 C 02 53 14.34 +02 19 02.0 V T08
2019-09-10 13:59:06 C 02 53 14.82 +02 19 52.6 V T08
2019-09-12 09:29:15 C 02 54 12.03 +03 41 15.5 U I41
2019-09-12 11:04:56 C 02 54 13.36 +03 44 15.7 U I41
2019-09-12 23:59:42 C 02 54 28.28 +04 08 37.0 q L34
2019-09-13 00:10:10 C 02 54 28.44 +04 08 56.7 q L34
2019-09-13 00:20:32 C 02 54 28.52 +04 09 16.8 q L34
2019-09-15 10:05:33 C 02 55 17.97 +05 59 14.6 U I41
2019-09-15 10:34:39 C 02 55 18.12 +06 00 10.4 U I41
2019-09-17 01:43:03 C 02 55 38.58 +07 15 21.1 q 160
2019-09-17 01:45:52 C 02 55 38.58 +07 15 26.2 q 160
2019-09-17 01:48:42 C 02 55 38.61 +07 15 31.6 q 160
2019-09-20 10:32:23 C 02 55 45.96 +09 51 59.0 U I41
2019-09-20 10:34:58 C 02 55 45.94 +09 52 04.1 U I41
2019-09-22 09:06:07 C 02 55 29.04 +11 22 30.6 U I41
2019-09-22 09:06:46 C 02 55 29.03 +11 22 31.8 U I41
2019-09-22 09:07:24 C 02 55 29.02 +11 22 33.1 U I41
2019-09-22 10:51:22 C 02 55 27.33 +11 25 55.2 V G96