Asteroid General Data

2025 SB₂₁

General information

Preliminary designation	2025 SB₂₁
Group	Apollo
Absolute magnitude	31.32
Approximate diameter (m)	1
Approximate mass (kg)	5.54·10³
Number of observations	8
Arc length (days)	0

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	143.036025
a – orbit major semiaxis (astronomical units)	1.84917200
e – orbit eccentricity	0.46252300
ω – orbit ascending node-perihelion angle (degrees)	166.199028
Ω – longitude of orbit ascending node (degrees)	185.258818
i – orbit inclination to the ecliptic plane (degrees)	6.927941

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	174.373413	1.80950549	0.45354216	160.465790	187.183227	6.474561	0.98881847	2.434112
01/21/1858	143.179177	1.80962524	0.45326814	160.814188	186.961628	6.488413	0.98937977	2.434353
01/29/1887	102.983926	1.81489373	0.45480768	162.036378	186.605054	6.672135	0.98946613	2.444992
02/07/1916	50.160480	1.81698275	0.45510968	162.424456	186.387152	6.684430	0.99005632	2.449214
02/14/1945	357.612467	1.81410173	0.45448868	162.838924	186.054837	6.727151	0.98961304	2.443392
02/22/1974	314.221702	1.81267187	0.45394543	163.233393	185.760370	6.759571	0.98981775	2.440503
03/02/2003	275.503986	1.81191412	0.45378126	163.611060	185.534964	6.778842	0.98970146	2.438973
03/09/2032	206.977855	1.84957449	0.46265814	166.259055	185.222744	6.929548	0.99385380	2.515407
03/17/2061	37.968501	1.85059281	0.46259965	166.626683	185.036269	6.945716	0.99450923	2.517485
03/25/2090	228.610786	1.84970038	0.46283313	167.016905	184.815806	6.968973	0.99359777	2.515664
04/03/2119	51.185163	1.85619700	0.46438720	167.635516	184.472411	6.951875	0.99420287	2.528929
04/10/2148	223.283855	1.85298610	0.46332658	168.022924	184.171180	7.002851	0.99444839	2.522370
04/18/2177	43.314224	1.85339007	0.46382736	168.395860	183.970272	7.019264	0.99373705	2.523195

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