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
2015-11-08 04:20:21 C 00 04 38.90 +16 40 19.7 R G45
2015-11-08 19:57:10 C 00 05 06.82 +16 57 45.0 t 130
2015-11-08 19:59:19 C 00 05 06.88 +16 57 47.5 t 130
2015-11-08 20:01:28 C 00 05 06.93 +16 57 49.5 t 130
2015-11-08 20:03:37 C 00 05 06.99 +16 57 52.2 t 130
2015-11-09 05:09:53 C 00 05 23.37 +17 07 57.6 q 703
2015-11-09 05:10:15 C 00 05 23.37 +17 07 58.0 q G96
2015-11-09 05:18:45 C 00 05 23.63 +17 08 07.3 q 703
2015-11-09 05:19:04 C 00 05 23.61 +17 08 07.6 q G96
2015-11-09 05:27:36 C 00 05 23.82 +17 08 16.8 q 703
2015-11-09 05:27:51 C 00 05 23.84 +17 08 17.2 q G96
2015-11-09 05:36:29 C 00 05 24.08 +17 08 26.3 q 703
2015-11-09 05:36:39 C 00 05 24.07 +17 08 26.7 q G96
2015-11-11 03:02:33 C 00 06 52.71 +17 56 40.1 u H21
2015-11-11 03:05:27 C 00 06 52.82 +17 56 43.0 u H21
2015-11-11 03:08:21 C 00 06 52.89 +17 56 45.9 u H21
2015-11-11 03:11:15 C 00 06 52.99 +17 56 48.8 u H21
2015-11-11 03:14:09 C 00 06 53.07 +17 56 51.9 u H21
2015-11-11 03:17:04 C 00 06 53.14 +17 56 54.7 u H21
2015-11-11 03:20:59 C 00 06 53.27 +17 56 58.9 u H21
2015-11-15 03:12:14 C 00 10 27.00 +19 29 58.1 R G45
2015-11-15 03:20:44 C 00 10 27.29 +19 30 05.5 R G45
2015-11-15 03:27:02 C 00 10 27.54 +19 30 11.1 R G45
2015-11-15 03:43:57 C 00 10 28.16 +19 30 26.7 R G45
2015-11-16 02:38:59 C 00 11 24.31 +19 51 00.8 u H21
2015-11-16 02:45:48 C 00 11 24.57 +19 51 06.8 u H21
2015-11-16 02:52:00 C 00 11 24.81 +19 51 12.4 u H21
2015-11-16 02:57:23 C 00 11 25.02 +19 51 17.2 u H21
2015-11-21 03:18:55 C 00 16 50.81 +21 30 30.0 R G45
2015-11-21 03:25:57 C 00 16 51.13 +21 30 35.5 R G45
2015-11-21 03:40:53 C 00 16 51.82 +21 30 47.1 R G45
2015-11-21 03:59:08 C 00 16 52.62 +21 31 01.1 R G45
2015-12-01 03:13:26 C 00 29 50.67 +24 11 59.3 q 703
2015-12-01 03:22:07 C 00 29 51.19 +24 12 04.1 q 703
2015-12-01 03:30:45 C 00 29 51.62 +24 12 09.5 q 703
2015-12-01 03:39:26 C 00 29 52.17 +24 12 13.5 q 703
2015-12-02 02:02:02 C 00 31 12.60 +24 25 16.9 u H21
2015-12-02 02:05:08 C 00 31 12.80 +24 25 18.8 u H21
2015-12-02 02:08:14 C 00 31 12.98 +24 25 20.7 u H21
2015-12-02 02:11:19 C 00 31 13.16 +24 25 22.4 u H21
2015-12-02 02:14:25 C 00 31 13.33 +24 25 24.6 u H21
2015-12-02 02:17:44 C 00 31 13.53 +24 25 26.7 u H21
2015-12-03 03:44:19 C 00 32 46.37 +24 39 58.6 R G45
2015-12-03 03:52:31 C 00 32 46.84 +24 40 02.8 R G45
2015-12-03 03:52:37 C 00 32 46.86 +24 40 02.8 R G45
2015-12-03 04:00:31 C 00 32 47.33 +24 40 07.5 R G45
2015-12-03 04:00:37 C 00 32 47.32 +24 40 07.1 R G45
2015-12-03 04:08:57 C 00 32 47.81 +24 40 12.5 R G45
2015-12-03 04:09:03 C 00 32 47.82 +24 40 12.2 R G45
2015-12-03 04:17:09 C 00 32 48.29 +24 40 16.8 R G45