Asteroid General Data

1999 DB₂

General information

Preliminary designation	1999 DB₂
Group	Amor
Absolute magnitude	19.01
Approximate diameter (m)	420
Approximate mass (kg)	1.35·10¹¹
Number of observations	184
Arc length (days)	7788

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	77.438066
a – orbit major semiaxis (astronomical units)	3.01536000
e – orbit eccentricity	0.61740700
ω – orbit ascending node-perihelion angle (degrees)	258.699401
Ω – longitude of orbit ascending node (degrees)	321.341595
i – orbit inclination to the ecliptic plane (degrees)	11.061300

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	226.121971	3.07507404	0.59045710	227.820826	353.508065	14.072944	1.25937473	5.392423
01/21/1858	35.204186	3.03396919	0.60385887	231.683771	349.337790	13.599481	1.20187999	5.284664
01/29/1887	206.301399	3.03082160	0.60856350	237.884378	342.534803	12.643373	1.18637421	5.276442
02/07/1916	34.695423	3.02437451	0.61021341	238.221792	342.141145	12.626852	1.17886062	5.259615
02/14/1945	221.930556	3.00770934	0.61716313	245.347117	334.458661	11.930703	1.15146203	5.216202
02/22/1974	54.989879	3.03464359	0.61034920	246.751681	333.224133	11.746929	1.18245131	5.286426
03/02/2003	264.460418	3.00014658	0.61995125	251.629300	328.199083	11.604992	1.14020195	5.196541
03/09/2032	94.165683	3.01154262	0.61824720	258.876542	321.212469	11.060986	1.14966483	5.226177
03/17/2061	287.931596	3.04058870	0.61208676	267.463540	312.073806	10.601221	1.17948460	5.301968
03/25/2090	112.397477	3.02021700	0.61703226	268.442261	311.123792	10.656926	1.15664567	5.248774
04/03/2119	288.107902	3.03436836	0.61316511	278.459284	300.542344	10.581883	1.17379956	5.285707
04/10/2148	109.827451	3.03648010	0.61223789	278.799678	300.183517	10.585229	1.17743192	5.291226
04/18/2177	270.009214	3.03779084	0.60982712	288.136512	290.889266	10.788486	1.18526359	5.294652

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