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
2020-01-20 03:18:07 C 02 37 42.10 +37 10 29.1 V G96
2020-01-20 03:26:14 C 02 37 42.63 +37 10 29.2 V G96
2020-01-23 05:38:20 C 02 43 00.046 +37 11 47.46 U F52
2020-01-23 05:57:24 C 02 43 01.392 +37 11 47.47 U F52
2020-01-23 06:16:25 C 02 43 02.713 +37 11 47.90 U F52
2020-01-23 06:35:20 C 02 43 04.049 +37 11 47.83 U F52
2020-01-27 05:39:49 C 02 50 01.982 +37 13 51.79 U F52
2020-01-27 05:42:44 C 02 50 02.183 +37 13 51.61 U F52
2020-01-27 05:57:03 C 02 50 03.230 +37 13 51.99 U F52
2020-01-27 05:59:53 C 02 50 03.425 +37 13 51.93 U F52
2020-01-27 06:14:05 C 02 50 04.443 +37 13 52.16 U F52
2020-01-27 06:16:55 C 02 50 04.662 +37 13 52.31 U F52
2023-09-10 13:43:46 C 03 57 20.434 +18 23 05.21 V T05
2023-09-10 13:51:52 C 03 57 20.856 +18 23 16.98 V T05
2023-09-10 13:55:07 C 03 57 21.048 +18 23 21.95 V T05
2023-09-10 14:02:36 C 03 57 21.475 +18 23 33.04 V T05
2023-09-14 03:19:54 B 04 02 25.39 +20 25 53.2 X 033
2023-09-14 03:25:11 B 04 02 25.69 +20 26 01.0 X 033
2023-09-14 03:30:29 B 04 02 25.97 +20 26 08.7 X 033
2023-09-15 10:27:57 C 04 04 07.997 +21 10 33.64 V G96
2023-09-15 10:35:24 C 04 04 08.364 +21 10 44.36 V G96
2023-09-15 10:42:50 C 04 04 08.735 +21 10 55.13 V G96
2023-09-15 10:50:16 C 04 04 09.102 +21 11 05.68 V G96
2023-09-16 09:35:01 C 04 05 21.131 +21 43 38.68 V 703
2023-09-16 09:49:18 C 04 05 21.862 +21 43 59.02 V 703
2023-09-16 09:56:25 C 04 05 22.142 +21 44 10.10 V 703
2023-09-18 13:15:08 C 04 07 54.250 +22 57 32.22 V T05
2023-09-18 13:20:39 C 04 07 54.518 +22 57 39.60 V T05
2023-09-18 13:27:57 C 04 07 54.780 +22 57 50.26 V T05
2023-09-18 13:35:25 C 04 07 55.118 +22 58 01.38 V T05
2023-09-19 10:25:53 C 04 08 52.958 +23 27 40.61 V 703
2023-09-19 10:33:35 C 04 08 53.250 +23 27 51.77 V 703
2023-09-19 10:41:16 C 04 08 53.588 +23 28 03.22 V 703
2023-09-23 03:32:41 B 04 12 32.87 +25 34 06.6 X K19
2023-09-23 03:37:59 B 04 12 33.06 +25 34 14.1 X K19
2023-09-23 03:43:18 B 04 12 33.23 +25 34 22.3 X K19
2023-09-24 14:49:30 C 04 13 47.299 +26 23 58.31 V T05
2023-09-24 14:54:30 C 04 13 47.450 +26 24 05.40 V T05
2023-09-24 15:02:43 C 04 13 47.647 +26 24 16.78 V T05
2023-09-24 15:20:41 C 04 13 48.185 +26 24 42.37 V T05
2023-09-25 10:09:27 C 04 14 25.393 +26 51 05.11 V 703
2023-09-25 10:16:28 C 04 14 25.555 +26 51 15.48 V 703
2023-09-25 10:23:32 C 04 14 25.753 +26 51 25.20 V 703
2023-09-26 12:41:56 C 04 15 13.649 +27 28 19.16 V T05
2023-09-26 12:44:32 C 04 15 13.726 +27 28 22.58 V T05
2023-09-26 12:49:06 C 04 15 13.843 +27 28 29.68 V T05
2023-09-26 13:09:27 C 04 15 14.311 +27 28 58.58 V T05
2023-09-27 09:30:58 C 04 15 48.301 +27 57 20.20 V 703
2023-09-27 09:37:06 C 04 15 48.460 +27 57 28.98 V 703
2023-09-27 09:43:14 C 04 15 48.553 +27 57 37.48 V 703