Asteroid General Data

2021 XR₄

General information

Preliminary designation	2021 XR₄
Group	Apollo
Absolute magnitude	26.68
Approximate diameter (m)	12
Approximate mass (kg)	3.37·10⁶
Number of observations	22
Arc length (days)	4

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	193.741614
a – orbit major semiaxis (astronomical units)	1.49487100
e – orbit eccentricity	0.44090200
ω – orbit ascending node-perihelion angle (degrees)	242.638890
Ω – longitude of orbit ascending node (degrees)	258.786701
i – orbit inclination to the ecliptic plane (degrees)	5.948695

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	259.569140	1.48473406	0.43725571	239.551251	261.521350	6.284842	0.83552562	1.809146
01/21/1858	269.477855	1.48801782	0.43807372	239.926523	261.109499	6.270051	0.83615632	1.815151
01/29/1887	266.002292	1.48778781	0.43798808	240.365594	260.740872	6.265701	0.83615448	1.814730
02/07/1916	258.000337	1.48987846	0.43849817	240.822583	260.328540	6.255798	0.83656948	1.818557
02/14/1945	231.256168	1.49276877	0.43944908	241.103260	259.974307	6.239450	0.83677292	1.823851
02/22/1974	218.140946	1.48808572	0.43902827	242.061313	259.514525	6.016954	0.83477403	1.815275
03/02/2003	213.489127	1.48853770	0.43920053	242.458153	259.151184	6.009413	0.83477116	1.816103
03/09/2032	192.384464	1.49479633	0.44101074	242.684818	258.750290	5.948231	0.83557509	1.827568
03/17/2061	148.440506	1.49490454	0.44078589	243.199249	258.340257	5.945522	0.83597171	1.827767
03/25/2090	99.710615	1.49471954	0.44081132	243.667836	257.964654	5.927345	0.83583025	1.827428
04/03/2119	56.358409	1.49501987	0.44077010	244.218915	257.528550	5.924316	0.83605982	1.827978
04/10/2148	19.942265	1.49075489	0.43994528	244.929367	257.161939	5.893683	0.83490432	1.820162
04/18/2177	357.524592	1.49132966	0.43998927	245.441745	256.752541	5.884687	0.83516061	1.821214

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