Asteroid General Data

2011 MD

General information

Preliminary designation	2011 MD
Group	Amor
Absolute magnitude	27.98
Approximate diameter (m)	7
Approximate mass (kg)	5.60·10⁵
Number of observations	1551
Arc length (days)	74

Approaches

Date	Object	r, AU	r, km
06/27/2011 06:28:48 PM	Earth	0.000108	16 112
06/16/2086 01:10:34 AM	Moon	0.000765	114 376

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	6.352985
a – orbit major semiaxis (astronomical units)	1.05710845
e – orbit eccentricity	0.03772329
ω – orbit ascending node-perihelion angle (degrees)	5.749028
Ω – longitude of orbit ascending node (degrees)	271.382224
i – orbit inclination to the ecliptic plane (degrees)	2.442666

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	56.145241	1.00552471	0.02699886	292.292252	128.686970	2.723766	0.97837669	1.008300
01/21/1858	134.784645	1.02204985	0.02137555	258.352276	121.173201	2.685973	1.00020298	1.033258
01/29/1887	220.900973	1.01817735	0.01969385	264.446077	117.773258	2.683166	0.99812551	1.027391
02/07/1916	318.468901	1.01823641	0.01843644	267.510585	111.545944	2.692135	0.99946375	1.027480
02/14/1945	56.740866	1.01792099	0.01629366	272.952880	104.553057	2.712976	1.00133533	1.027003
02/22/1974	150.939728	1.01750682	0.01629373	273.400695	104.513139	2.714002	1.00092783	1.026376
03/02/2003	234.413530	1.01956109	0.01599331	272.318595	99.434984	2.713513	1.00325493	1.029486
03/09/2032	20.246433	1.05704703	0.03769587	5.723455	271.349559	2.442740	1.01720073	1.086781
03/17/2061	22.719709	1.03806534	0.02195437	16.747375	266.844243	2.603507	1.01527528	1.057639
03/25/2090	130.842275	1.08496012	0.06545575	357.106818	256.706636	1.584625	1.01394324	1.130111
04/03/2119	103.836719	1.05549700	0.04164446	7.076522	248.884943	2.110819	1.01154139	1.084392
04/10/2148	310.292949	1.06344445	0.04725104	11.996696	246.351352	2.084839	1.01319560	1.096662
04/18/2177	133.622997	1.06056877	0.04502938	12.380657	245.337631	2.093519	1.01281201	1.092217

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