Asteroid General Data

2021 WW₂

General information

Preliminary designation	2021 WW₂
Group	Apollo
Absolute magnitude	25.49
Approximate diameter (m)	21
Approximate mass (kg)	1.75·10⁷
Number of observations	48
Arc length (days)	16

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	135.884491
a – orbit major semiaxis (astronomical units)	2.26243700
e – orbit eccentricity	0.58512900
ω – orbit ascending node-perihelion angle (degrees)	228.034042
Ω – longitude of orbit ascending node (degrees)	249.262830
i – orbit inclination to the ecliptic plane (degrees)	5.790652

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	130.313798	2.25400061	0.58975334	219.212454	256.499301	6.312367	0.92469622	3.384010
01/21/1858	335.912239	2.25522732	0.58876567	220.354565	255.543869	6.234344	0.92742690	3.386773
01/29/1887	174.720655	2.25797639	0.58704817	221.734558	254.419749	6.146981	0.93243549	3.392968
02/07/1916	4.035983	2.26787225	0.58182383	224.007901	252.584502	6.001371	0.94837013	3.415297
02/14/1945	184.743595	2.26959093	0.58034366	225.032570	251.716812	5.949997	0.95244822	3.419180
02/22/1974	359.647236	2.26915011	0.58258587	226.049044	250.820080	5.887870	0.94717533	3.418184
03/02/2003	174.758662	2.26836407	0.58399118	226.900974	250.112915	5.849268	0.94365946	3.416408
03/09/2032	355.283363	2.26206650	0.58547712	228.023584	249.223300	5.791786	0.93767832	3.402191
03/17/2061	183.657783	2.26348606	0.58647159	229.415238	248.025665	5.722705	0.93601580	3.405394
03/25/2090	14.883489	2.26308535	0.58810263	230.914053	246.864455	5.660345	0.93215889	3.404490
04/03/2119	204.853450	2.26021430	0.59025254	234.008967	244.538866	5.532273	0.92611707	3.398013
04/10/2148	36.726461	2.26177452	0.58995846	235.922744	243.042608	5.459897	0.92742150	3.401532
04/18/2177	226.960805	2.26143072	0.58997830	237.695471	241.530433	5.394270	0.92723567	3.400757

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