Asteroid General Data

2021 DA₂

General information

Preliminary designation	2021 DA₂
Group	Aten
Absolute magnitude	29.16
Approximate diameter (m)	4
Approximate mass (kg)	1.10·10⁵
Number of observations	67
Arc length (days)	8

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	302.367304
a – orbit major semiaxis (astronomical units)	0.89833200
e – orbit eccentricity	0.21004400
ω – orbit ascending node-perihelion angle (degrees)	230.909179
Ω – longitude of orbit ascending node (degrees)	152.841548
i – orbit inclination to the ecliptic plane (degrees)	8.578003

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	308.921864	0.92069299	0.20039523	235.754739	155.939226	8.386738	0.73619051	0.883431
01/21/1858	250.541426	0.92194660	0.20108384	236.238558	155.499046	8.384484	0.73655804	0.885236
01/29/1887	162.062908	0.92358202	0.20210237	236.760745	155.003859	8.379841	0.73692391	0.887593
02/07/1916	81.564901	0.92208791	0.20279417	236.779694	154.550284	8.380259	0.73509386	0.885440
02/14/1945	346.741402	0.92206591	0.20231971	237.277924	154.102225	8.377141	0.73551380	0.885408
02/22/1974	216.182134	0.92681731	0.20135054	239.274280	153.582324	8.383455	0.74020214	0.892261
03/02/2003	44.802675	0.92715884	0.20170336	239.488976	153.236319	8.384718	0.74014779	0.892754
03/09/2032	96.403473	0.90040363	0.21176423	230.744047	152.578301	8.557894	0.70973035	0.854391
03/17/2061	127.283179	0.89659418	0.20929338	231.256232	152.341516	8.611513	0.70894296	0.848974
03/25/2090	177.104420	0.89797019	0.20944247	231.588624	151.894153	8.604807	0.70989710	0.850929
04/03/2119	210.271170	0.89949773	0.21030594	231.871581	151.451414	8.594415	0.71032801	0.853102
04/10/2148	220.527042	0.89992887	0.20999551	232.342048	151.072045	8.597423	0.71094785	0.853715
04/18/2177	303.716683	0.89368659	0.21156372	232.525219	150.605642	8.400180	0.70461493	0.844848

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