Asteroid General Data

2020 DR₄

General information

Preliminary designation	2020 DR₄
Group	Aten
Absolute magnitude	29.75
Approximate diameter (m)	3
Approximate mass (kg)	4.85·10⁴
Number of observations	22
Arc length (days)	3

Approaches

Date	Object	r, AU	r, km
02/25/2020 08:24:00 PM	Earth	0.000621	92 873

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	89.947218
a – orbit major semiaxis (astronomical units)	0.81556245
e – orbit eccentricity	0.29194970
ω – orbit ascending node-perihelion angle (degrees)	32.325247
Ω – longitude of orbit ascending node (degrees)	336.423814
i – orbit inclination to the ecliptic plane (degrees)	4.346420

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	315.790044	0.84945389	0.27415300	36.278366	342.854629	3.036014	0.61657356	0.782907
01/21/1858	331.136053	0.84975453	0.27417691	37.002553	341.904620	3.011892	0.61677146	0.783323
01/29/1887	283.335064	0.84833094	0.27311771	37.958701	340.527726	3.265757	0.61663673	0.781355
02/07/1916	306.326206	0.85059924	0.27454176	38.003262	339.985728	3.209623	0.61707423	0.784491
02/14/1945	285.148317	0.85201520	0.27307940	39.747945	339.006846	3.165184	0.61934740	0.786451
02/22/1974	244.566267	0.85203990	0.27314450	40.553225	337.780355	3.147356	0.61930989	0.786485
03/02/2003	234.914411	0.85020023	0.27368399	40.794718	337.137370	3.124374	0.61751404	0.783939
03/09/2032	246.178664	0.81571101	0.29187688	32.306131	336.382305	4.343901	0.57762382	0.736724
03/17/2061	71.463927	0.81398871	0.29291546	32.858909	335.364337	4.306487	0.57555883	0.734392
03/25/2090	267.314383	0.81401281	0.29282482	33.685426	334.351309	4.296819	0.57564965	0.734425
04/03/2119	132.437924	0.81177372	0.29444684	33.831723	333.308895	4.237368	0.57274951	0.731397
04/10/2148	23.595605	0.81021464	0.29476248	34.680696	332.348549	4.220167	0.57139376	0.729291
04/18/2177	346.271853	0.80718641	0.29684637	35.138290	330.938606	4.107771	0.56757605	0.725206

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