Asteroid General Data

2021 RW₄

General information

Preliminary designation	2021 RW₄
Group	Amor
Absolute magnitude	25.04
Approximate diameter (m)	26
Approximate mass (kg)	3.25·10⁷
Number of observations	78
Arc length (days)	13

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	71.273076
a – orbit major semiaxis (astronomical units)	1.73120500
e – orbit eccentricity	0.38329000
ω – orbit ascending node-perihelion angle (degrees)	8.038931
Ω – longitude of orbit ascending node (degrees)	343.923990
i – orbit inclination to the ecliptic plane (degrees)	14.524722

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	155.064403	1.73004807	0.38241823	5.775220	345.096198	14.600222	1.06844615	2.275558
01/21/1858	63.695479	1.73060741	0.38271416	6.095381	344.928101	14.590026	1.06827945	2.276661
01/29/1887	331.341629	1.73140972	0.38303649	6.482004	344.748440	14.576702	1.06821661	2.278245
02/07/1916	237.017125	1.73140431	0.38311617	6.749794	344.592033	14.569249	1.06807532	2.278234
02/14/1945	140.836446	1.73185813	0.38333415	7.055184	344.413897	14.561436	1.06797776	2.279130
02/22/1974	44.873954	1.73187561	0.38356026	7.368527	344.246238	14.547648	1.06759694	2.279164
03/02/2003	310.511006	1.73099450	0.38348269	7.703031	344.067112	14.541041	1.06718807	2.277425
03/09/2032	216.212592	1.73125894	0.38359522	8.126085	343.886858	14.525395	1.06715629	2.277947
03/17/2061	122.194582	1.73128570	0.38361603	8.417700	343.719082	14.515760	1.06713676	2.278000
03/25/2090	25.296272	1.73189968	0.38379351	8.811524	343.539619	14.498615	1.06720782	2.279212
04/03/2119	288.605996	1.73226958	0.38396483	9.081653	343.383640	14.487491	1.06713899	2.279942
04/10/2148	194.238327	1.73151796	0.38414013	9.454862	343.211046	14.481241	1.06637242	2.278458
04/18/2177	98.239983	1.73159182	0.38432271	9.810524	343.019418	14.465861	1.06610177	2.278604

Detailed table...

3D animation...

Calculation on the date...

Return to search