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
2015-08-29 12:43:54 C 00 42 40.127 -42 56 49.88 L F51
2015-08-29 12:56:01 C 00 42 39.901 -42 56 34.43 L F51
2015-09-17 02:50:09 C 00 28 18.01 -29 17 21.1 q Y00
2015-09-17 03:05:51 C 00 28 17.09 -29 16 43.3 q Y00
2015-09-17 03:19:44 C 00 28 16.27 -29 16 09.7 q Y00
2015-09-18 17:32:29 C 00 26 22.47 -27 41 58.2 u Q60
2015-09-18 17:45:53 C 00 26 21.74 -27 41 24.2 u Q60
2015-09-18 17:59:12 C 00 26 21.01 -27 40 50.3 u Q60
2015-09-24 14:15:29 C 00 19 23.41 -21 31 15.0 u Q60
2015-09-24 14:28:46 C 00 19 22.64 -21 30 38.6 u Q60
2015-09-24 14:42:06 C 00 19 21.87 -21 30 01.9 u Q60
2015-09-28 05:06:21 C 00 15 12.00 -17 29 41.8 u 807
2015-09-28 05:08:04 C 00 15 11.91 -17 29 37.4 u 807
2015-09-28 05:10:47 C 00 15 11.73 -17 29 29.4 u 807
2015-09-28 05:19:25 C 00 15 11.26 -17 29 05.6 u 807
2015-09-28 05:21:54 C 00 15 11.14 -17 28 58.3 u 807
2015-09-28 05:24:03 C 00 15 10.98 -17 28 52.1 u 807
2015-09-28 05:25:10 C 00 15 10.93 -17 28 48.9 u 807
2015-09-30 01:18:46 C 00 13 10.08 -15 25 45.9 o Z22
2015-09-30 02:08:23 C 00 13 07.47 -15 23 26.5 o Z22
2015-09-30 02:53:57 C 00 13 05.07 -15 21 17.9 o Z22
2015-10-02 07:40:58 C 00 10 47.52 -12 52 56.6 q 703
2015-10-02 07:46:45 C 00 10 47.25 -12 52 41.4 q 703
2015-10-02 07:52:32 C 00 10 46.97 -12 52 24.5 q 703
2015-10-02 07:58:18 C 00 10 46.69 -12 52 08.0 q 703
2015-10-02 09:29:19 C 00 10 44.95 -12 47 18.7 u Q60
2015-10-02 09:42:25 C 00 10 44.33 -12 46 42.6 u Q60
2015-10-02 09:55:41 C 00 10 43.70 -12 46 05.8 u Q60
2015-10-08 09:33:38 C 00 05 19.41 -06 13 27.4 u Q60
2015-10-08 09:46:44 C 00 05 18.92 -06 12 53.2 u Q60
2015-10-08 10:00:08 C 00 05 18.42 -06 12 17.7 u Q60
2015-10-09 04:50:32 C 00 04 41.85 -05 23 21.5 q 703
2015-10-09 04:57:44 C 00 04 41.57 -05 23 02.7 q 703
2015-10-09 05:04:58 C 00 04 41.30 -05 22 44.0 q 703
2015-10-09 05:12:10 C 00 04 41.01 -05 22 25.0 q 703
2015-10-11 05:26:00 C 00 03 16.46 -03 18 41.8 R G45
2015-10-11 05:34:15 C 00 03 16.18 -03 18 20.8 R G45
2015-10-11 05:49:30 C 00 03 15.63 -03 17 42.1 R G45
2015-10-11 06:00:54 C 00 03 15.27 -03 17 13.9 R G45
2015-10-12 19:22:23 C 00 02 18.75 -01 44 35.6 q 046
2015-10-12 19:24:42 C 00 02 18.73 -01 44 29.9 q 046
2015-10-12 19:30:06 C 00 02 18.60 -01 44 17.1 q 046
2015-10-12 19:31:37 C 00 02 18.52 -01 44 13.2 q 046
2015-10-12 19:32:58 C 00 02 18.49 -01 44 09.3 q 046
2015-10-13 01:02:41 C 00 02 10.25 -01 30 16.7 r Y00
2015-10-13 01:04:07 C 00 02 10.22 -01 30 12.3 r Y00
2015-10-13 01:06:36 C 00 02 10.19 -01 30 07.9 r Y00
2015-10-17 04:58:18 C 00 00 16.24 +02 21 14.0 R G45
2015-10-17 05:05:49 C 00 00 16.09 +02 21 30.4 R G45
2015-10-17 05:12:46 C 00 00 15.96 +02 21 45.8 R G45