Asteroid General Data

2021 WU₄

General information

Preliminary designation	2021 WU₄
Group	Apollo
Absolute magnitude	24.86
Approximate diameter (m)	28
Approximate mass (kg)	4.17·10⁷
Number of observations	23
Arc length (days)	4

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	315.187109
a – orbit major semiaxis (astronomical units)	1.37246200
e – orbit eccentricity	0.48052100
ω – orbit ascending node-perihelion angle (degrees)	275.259256
Ω – longitude of orbit ascending node (degrees)	245.401514
i – orbit inclination to the ecliptic plane (degrees)	29.250168

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	147.181153	1.37027214	0.48029976	273.921051	246.902206	29.230341	0.71213076	1.604024
01/21/1858	183.044456	1.36728387	0.47960099	273.959144	246.662033	29.259329	0.71153317	1.598780
01/29/1887	242.533201	1.36614381	0.47929357	274.062974	246.455743	29.270850	0.71135987	1.596781
02/07/1916	307.010344	1.36593110	0.47924324	274.216947	246.224637	29.277292	0.71131786	1.596408
02/14/1945	8.558567	1.36673175	0.47952846	274.353290	246.021569	29.274520	0.71134499	1.597811
02/22/1974	63.929185	1.37232024	0.48051880	274.912881	245.815173	29.242603	0.71289457	1.607622
03/02/2003	82.607163	1.37238472	0.48044878	275.098180	245.581777	29.248715	0.71302416	1.607735
03/09/2032	101.036645	1.37273421	0.48042757	275.274144	245.376630	29.249185	0.71323485	1.608349
03/17/2061	122.245432	1.37002300	0.47990319	275.292574	245.140396	29.270473	0.71254459	1.603587
03/25/2090	155.110724	1.37040201	0.48004631	275.485690	244.934196	29.269586	0.71254558	1.604252
04/03/2119	186.333056	1.37032421	0.47997668	275.640031	244.700252	29.278775	0.71260055	1.604115
04/10/2148	237.407712	1.36578303	0.47967525	275.436435	244.488901	29.270231	0.71065071	1.596148
04/18/2177	304.075310	1.36569378	0.47958994	275.602448	244.257517	29.278499	0.71072079	1.595992

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