Asteroid General Data

2008 GB₂₁

General information

Preliminary designation	2008 GB₂₁
Group	Apollo
Absolute magnitude	25.96
Approximate diameter (m)	17
Approximate mass (kg)	9.12·10⁶
Number of observations	31
Arc length (days)	15

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	189.101463
a – orbit major semiaxis (astronomical units)	1.45997300
e – orbit eccentricity	0.41404600
ω – orbit ascending node-perihelion angle (degrees)	305.939291
Ω – longitude of orbit ascending node (degrees)	192.125594
i – orbit inclination to the ecliptic plane (degrees)	1.503395

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	53.297115	1.44447364	0.40977981	299.640167	196.709774	1.540310	0.85255751	1.736061
01/21/1858	302.053889	1.44819491	0.41079333	300.339612	196.285638	1.544159	0.85328611	1.742774
01/29/1887	183.659548	1.44648436	0.41039641	301.442259	195.346339	1.541977	0.85285238	1.739687
02/07/1916	65.359843	1.44641469	0.41044483	302.011028	194.893570	1.554872	0.85274126	1.739562
02/14/1945	306.818879	1.44941673	0.41118243	302.601713	194.545777	1.557916	0.85344204	1.744980
02/22/1974	176.782675	1.44826105	0.41094529	304.152569	193.009700	1.551920	0.85310499	1.742894
03/02/2003	52.316082	1.44873912	0.41116538	304.675358	192.643356	1.558140	0.85306775	1.743757
03/09/2032	226.493326	1.46053071	0.41441292	306.194866	191.794421	1.502098	0.85526791	1.765089
03/17/2061	31.667528	1.45843222	0.41359236	306.638303	191.381830	1.507906	0.85523580	1.761286
03/25/2090	236.406746	1.44824184	0.41103025	306.681200	190.570496	1.433317	0.85297064	1.742859
04/03/2119	117.350813	1.44711893	0.41065427	307.391117	190.052762	1.437790	0.85285337	1.740832
04/10/2148	359.061490	1.44556212	0.41024241	308.399376	189.166515	1.439043	0.85253124	1.738024
04/18/2177	251.637600	1.44594301	0.41040595	308.957316	188.616748	1.445733	0.85251940	1.738711

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