Asteroid General Data

2021 NM₃₉

General information

Preliminary designation	2021 NM₃₉
Group	Amor
Absolute magnitude	20.36
Approximate diameter (m)	230
Approximate mass (kg)	2.09·10¹⁰
Number of observations	278
Arc length (days)	2427

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	239.559036
a – orbit major semiaxis (astronomical units)	2.03848200
e – orbit eccentricity	0.48203000
ω – orbit ascending node-perihelion angle (degrees)	266.910794
Ω – longitude of orbit ascending node (degrees)	135.531091
i – orbit inclination to the ecliptic plane (degrees)	4.735472

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	274.889393	2.04069294	0.48022422	261.947786	139.059842	4.734609	1.06070277	2.915192
01/21/1858	259.779564	2.03984318	0.48168345	262.673174	138.597545	4.732532	1.05728449	2.913371
01/29/1887	246.091749	2.03861953	0.48399756	263.260136	138.171709	4.729502	1.05193265	2.910750
02/07/1916	236.334104	2.03792355	0.48340498	263.622025	137.796753	4.731475	1.05278116	2.909259
02/14/1945	227.487659	2.03740329	0.48221324	264.138991	137.351651	4.735432	1.05494045	2.908145
02/22/1974	217.437586	2.03767561	0.48001495	265.308979	136.587591	4.737651	1.05956085	2.908728
03/02/2003	206.947594	2.03821559	0.48046971	266.259963	135.969631	4.736905	1.05891474	2.909885
03/09/2032	196.921146	2.03763415	0.48307901	267.077352	135.419472	4.734097	1.05329587	2.908640
03/17/2061	187.409577	2.03844796	0.48350484	267.440873	135.079825	4.735716	1.05284851	2.910382
03/25/2090	176.240040	2.03956879	0.48271454	267.831666	134.712714	4.739952	1.05503928	2.912783
04/03/2119	161.752052	2.04069805	0.48072166	268.626032	134.154506	4.747263	1.05969029	2.915203
04/10/2148	143.097134	2.04263143	0.48006757	269.668842	133.496765	4.750567	1.06203033	2.919346
04/18/2177	123.370037	2.04170409	0.48200436	270.705823	132.820671	4.753202	1.05759381	2.917359

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