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
2019-10-09 08:45:02 C 02 41 47.53 +23 53 42.8 U I41
2019-10-09 08:45:41 C 02 41 47.49 +23 53 43.9 U I41
2019-10-09 09:27:25 C 02 41 45.93 +23 54 56.1 V T08
2019-10-09 09:31:28 C 02 41 45.69 +23 55 02.7 V T08
2019-10-09 09:46:12 C 02 41 44.78 +23 55 27.3 V T08
2019-10-09 09:56:40 C 02 41 44.12 +23 55 44.9 V T08
2019-10-09 10:09:14 C 02 41 42.33 +23 56 01.3 U I41
2019-10-09 10:46:19 C 02 41 40.05 +23 57 01.9 U I41
2019-10-10 10:09:36 C 02 40 20.66 +24 35 05.1 U I41
2019-10-10 11:50:39 C 02 40 14.27 +24 37 46.0 U I41
2019-10-10 22:00:00 C 02 39 40.56 +24 53 56.0 V C95
2019-10-10 22:01:45 C 02 39 40.45 +24 53 58.9 V C95
2019-10-10 22:03:29 C 02 39 40.32 +24 54 01.5 V C95
2019-10-10 22:05:14 C 02 39 40.22 +24 54 04.5 V C95
2019-10-10 22:06:58 C 02 39 40.14 +24 54 07.2 V C95
2019-10-10 22:08:43 C 02 39 40.01 +24 54 10.3 V C95
2019-10-10 22:10:29 C 02 39 39.95 +24 54 12.7 V C95
2019-10-10 22:12:12 C 02 39 39.81 +24 54 15.8 V C95
2019-10-10 22:13:56 C 02 39 39.66 +24 54 18.5 V C95
2019-10-11 00:59:03 C 02 39 29.06 +24 58 42.9 q 160
2019-10-11 01:02:00 C 02 39 28.88 +24 58 47.8 q 160
2019-10-11 01:04:56 C 02 39 28.72 +24 58 52.5 q 160
2019-10-11 07:10:19 C 02 39 07.88 +25 08 33.5 U I41
2019-10-11 12:13:21 C 02 38 48.13 +25 16 29.1 U I41
2019-10-12 00:13:16 C 02 38 05.93 +25 35 10.9 q 160
2019-10-12 00:16:15 C 02 38 05.74 +25 35 15.5 q 160
2019-10-12 00:19:15 C 02 38 05.54 +25 35 20.0 q 160
2019-10-12 08:21:39 C 02 37 36.27 +25 47 49.3 U I41
2019-10-12 08:22:17 C 02 37 36.23 +25 47 50.3 U I41
2019-10-13 08:35:15 C 02 36 05.85 +26 24 36.5 U I41
2019-10-13 11:40:12 C 02 35 53.14 +26 29 11.2 U I41
2019-10-14 10:35:43 C 02 34 25.55 +27 02 59.5 U I41
2019-10-14 10:36:21 C 02 34 25.51 +27 03 00.4 U I41
2019-10-15 00:34:17 C 02 33 31.57 +27 23 03.9 V K87
2019-10-15 00:37:03 C 02 33 31.40 +27 23 07.5 V K87
2019-10-15 00:39:49 C 02 33 31.21 +27 23 11.6 V K87
2019-10-17 06:59:47 C 02 29 53.97 +28 38 19.8 U I41
2019-10-17 07:00:26 C 02 29 53.92 +28 38 20.7 U I41
2019-10-19 08:21:29 C 02 26 29.959 +29 41 51.45 U F51
2019-10-19 08:39:27 C 02 26 28.611 +29 42 14.19 U F51
2019-10-19 08:59:55 C 02 26 27.064 +29 42 40.04 U F51
2019-10-19 09:21:02 C 02 26 25.462 +29 43 06.60 U F51
2019-10-19 10:12:38 C 02 26 20.43 +29 44 05.5 V 703
2019-10-19 10:20:27 C 02 26 19.81 +29 44 14.6 V 703
2019-10-19 10:28:15 C 02 26 19.26 +29 44 24.5 V 703
2019-10-19 10:36:03 C 02 26 18.65 +29 44 34.1 V 703
2019-10-19 10:54:45 C 02 26 18.30 +29 45 03.3 V T05
2019-10-19 10:58:48 C 02 26 17.99 +29 45 08.5 V T05
2019-10-19 11:06:19 C 02 26 17.41 +29 45 17.9 V T05
2019-10-19 11:21:19 C 02 26 16.28 +29 45 36.1 V T05