Asteroid General Data

2021 BT₂

General information

Preliminary designation	2021 BT₂
Group	Aten
Absolute magnitude	24.02
Approximate diameter (m)	42
Approximate mass (kg)	1.33·10⁸
Number of observations	22
Arc length (days)	18

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	221.889425
a – orbit major semiaxis (astronomical units)	0.92182500
e – orbit eccentricity	0.51007300
ω – orbit ascending node-perihelion angle (degrees)	39.260222
Ω – longitude of orbit ascending node (degrees)	306.883743
i – orbit inclination to the ecliptic plane (degrees)	23.399313

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	103.780689	0.92183032	0.50944615	38.532920	307.740010	23.459221	0.45220741	0.885069
01/21/1858	27.668757	0.92181517	0.50953699	38.637625	307.616375	23.450113	0.45211624	0.885047
01/29/1887	310.875877	0.92188777	0.50963936	38.758782	307.487902	23.438520	0.45205747	0.885152
02/07/1916	234.774618	0.92188896	0.50971064	38.860759	307.363048	23.434279	0.45199235	0.885153
02/14/1945	158.119370	0.92184353	0.50984997	38.958862	307.241814	23.424993	0.45184163	0.885088
02/22/1974	81.839515	0.92186778	0.50990033	39.071410	307.112230	23.416059	0.45180710	0.885123
03/02/2003	5.616464	0.92186949	0.50999472	39.171183	306.986528	23.406577	0.45172091	0.885125
03/09/2032	289.195721	0.92179457	0.51005112	39.281120	306.855949	23.394373	0.45163222	0.885017
03/17/2061	212.982637	0.92178185	0.51010851	39.392727	306.731798	23.387009	0.45157309	0.884999
03/25/2090	136.350685	0.92191124	0.51017848	39.521624	306.601477	23.373993	0.45157197	0.885185
04/03/2119	60.288534	0.92187091	0.51029752	39.621944	306.476072	23.364674	0.45144247	0.885127
04/10/2148	343.714081	0.92193880	0.51037130	39.749908	306.344684	23.355414	0.45140770	0.885225
04/18/2177	267.246739	0.92185845	0.51048291	39.840950	306.221021	23.349747	0.45126547	0.885109

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