Asteroid General Data

2021 NA

General information

Preliminary designation	2021 NA
Group	Apollo
Absolute magnitude	28.55
Approximate diameter (m)	5
Approximate mass (kg)	2.55·10⁵
Number of observations	41
Arc length (days)	3

Approaches

Date	Object	r, AU	r, km
07/03/2021 05:02:24 AM	Earth	0.000437	65 330

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	70.843472
a – orbit major semiaxis (astronomical units)	2.64472620
e – orbit eccentricity	0.63491512
ω – orbit ascending node-perihelion angle (degrees)	210.167270
Ω – longitude of orbit ascending node (degrees)	101.434473
i – orbit inclination to the ecliptic plane (degrees)	3.008575

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	127.637040	2.37539981	0.59709352	210.254869	104.043876	2.345427	0.95706398	3.661050
01/21/1858	104.744447	2.36837698	0.60239036	211.008369	103.768160	2.338538	0.94168953	3.644826
01/29/1887	79.526874	2.37772478	0.59988538	212.027702	103.213763	2.313592	0.95136244	3.666427
02/07/1916	52.797946	2.36956976	0.60302024	212.139105	102.978476	2.316940	0.94067123	3.647580
02/14/1945	26.654985	2.37041514	0.60266122	213.266712	102.513147	2.298837	0.94185787	3.649532
02/22/1974	9.729542	2.37257462	0.60026685	213.371190	102.339267	2.293715	0.94839672	3.654521
03/02/2003	344.817135	2.37007145	0.60384576	214.299303	101.947704	2.280041	0.93891384	3.648739
03/09/2032	168.047776	2.65054107	0.63237992	210.246620	101.319030	3.001215	0.97439213	4.315215
03/17/2061	77.594620	2.64226864	0.63744019	210.474692	101.145175	2.999937	0.95798042	4.295029
03/25/2090	327.294626	2.66417268	0.63268748	213.020695	99.320732	2.837126	0.97858398	4.348547
04/03/2119	205.586619	2.67619110	0.62971092	215.281429	97.927006	2.761051	0.99096433	4.378005
04/10/2148	69.255814	2.65862228	0.63948632	217.452841	96.413176	2.688013	0.95846969	4.334965
04/18/2177	310.667440	2.66894248	0.63431768	217.840549	96.079735	2.671446	0.97598507	4.360230

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