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
2015-12-03 04:17:15 C 00 32 48.30 +24 40 16.9 R G45
2015-12-09 06:04:58 C 00 42 08.57 +25 57 02.6 q 703
2015-12-09 06:11:27 C 00 42 09.03 +25 57 06.4 q 703
2015-12-09 06:17:56 C 00 42 09.44 +25 57 09.0 q 703
2015-12-09 06:24:26 C 00 42 09.90 +25 57 12.7 q 703
2016-01-28 02:47:21 C 02 18 09.51 +32 47 40.3 q G96
2016-01-28 02:52:42 C 02 18 10.02 +32 47 42.0 q G96
2016-01-28 02:58:03 C 02 18 10.41 +32 47 43.5 q G96
2019-07-10 14:08:17 C 00 46 48.00 -29 57 12.8 V T05
2019-07-10 14:18:17 C 00 46 49.34 -29 57 03.7 V T05
2019-07-10 14:23:02 C 00 46 49.92 -29 57 00.4 V T05
2019-07-10 14:30:58 C 00 46 50.88 -29 56 54.3 V T05
2019-07-10 14:37:33 C 00 46 51.69 -29 56 50.0 V T05
2019-07-10 14:40:55 C 00 46 52.14 -29 56 48.0 V T05
2019-07-29 12:40:25 C 01 40 42.06 -23 03 15.1 V T05
2019-07-29 12:46:20 C 01 40 42.69 -23 03 08.5 V T05
2019-07-29 12:50:53 C 01 40 43.13 -23 03 04.1 V T05
2019-07-29 14:08:01 C 01 40 51.11 -23 01 41.8 V T05
2019-08-10 13:40:47 C 02 09 07.98 -17 21 56.7 V T05
2019-08-10 13:45:25 C 02 09 08.40 -17 21 51.0 V T05
2019-08-10 13:55:23 C 02 09 09.21 -17 21 37.9 V T05
2019-08-10 14:13:02 C 02 09 10.70 -17 21 15.4 V T05
2019-08-11 11:02:03 C 02 11 01.20 -16 54 11.4 U I41
2019-08-11 11:33:04 C 02 11 03.77 -16 53 30.9 U I41
2019-08-14 09:31:35 C 02 17 02.02 -15 19 49.9 U I41
2019-08-14 10:56:01 C 02 17 08.66 -15 17 55.5 U I41
2019-08-18 09:32:21 C 02 24 38.73 -13 04 54.8 U I41
2019-08-18 11:32:48 C 02 24 47.33 -13 02 01.8 U I41
2019-08-19 10:03:01 C 02 26 28.59 -12 29 17.0 U I41
2019-08-19 10:04:21 C 02 26 28.69 -12 29 15.1 U I41
2019-08-19 11:34:02 C 02 26 34.92 -12 27 04.3 U I41
2019-08-19 11:35:19 C 02 26 35.00 -12 27 02.4 U I41
2019-08-25 13:40:51 C 02 36 29.917 -08 44 22.69 U F52
2019-08-25 13:58:44 C 02 36 30.923 -08 43 54.45 U F52
2019-08-25 14:16:36 C 02 36 31.928 -08 43 26.16 U F52
2019-08-27 09:19:22 C 02 39 06.93 -07 34 36.9 V 703
2019-08-27 09:27:16 C 02 39 07.36 -07 34 24.2 V 703
2019-08-27 09:35:10 C 02 39 07.76 -07 34 11.7 V 703
2019-08-27 09:43:05 C 02 39 08.20 -07 33 59.0 V 703
2019-08-29 11:03:27 C 02 41 52.62 -06 13 13.7 U I41
2019-08-29 11:04:44 C 02 41 52.69 -06 13 11.5 U I41
2019-08-29 11:34:28 C 02 41 54.11 -06 12 22.4 U I41
2019-08-29 14:18:23 C 02 42 02.80 -06 07 46.9 V T08
2019-08-29 14:22:29 C 02 42 03.00 -06 07 40.3 V T08
2019-08-29 14:32:17 C 02 42 03.45 -06 07 23.8 V T08
2019-08-29 14:57:53 C 02 42 04.68 -06 06 41.4 V T08
2019-08-31 12:51:07 C 02 44 25.33 -04 49 44.6 V T05
2019-08-31 12:55:55 C 02 44 25.53 -04 49 36.6 V T05
2019-08-31 13:10:25 C 02 44 26.16 -04 49 11.7 V T05
2019-08-31 13:18:08 C 02 44 26.51 -04 48 59.0 V T05