Asteroid General Data

2021 XK

General information

Preliminary designation	2021 XK
Group	Apollo
Absolute magnitude	24.02
Approximate diameter (m)	42
Approximate mass (kg)	1.33·10⁸
Number of observations	43
Arc length (days)	185

Approaches

No approaches found

Orbit initial data

Date of initial data	09/17/2026
M – mean anomaly (degrees)	93.511845
a – orbit major semiaxis (astronomical units)	1.04954600
e – orbit eccentricity	0.03382700
ω – orbit ascending node-perihelion angle (degrees)	77.107180
Ω – longitude of orbit ascending node (degrees)	69.530674
i – orbit inclination to the ecliptic plane (degrees)	32.552494

Orbital evolution

Date	M	a	e	ω	Ω	i	q	P
01/13/1829	251.008566	1.05104179	0.03432044	76.195706	70.131303	32.625842	1.01496957	1.077533
01/21/1858	225.420235	1.05137938	0.03455761	75.884769	70.043985	32.622849	1.01504622	1.078052
01/29/1887	198.354862	1.05105332	0.03449867	75.484763	69.959243	32.622728	1.01479338	1.077551
02/07/1916	177.231189	1.05059509	0.03412322	75.387308	69.870775	32.624279	1.01474540	1.076846
02/14/1945	161.859437	1.05011941	0.03378657	75.203187	69.782212	32.626585	1.01463948	1.076115
02/22/1974	152.266939	1.04995186	0.03381825	74.870800	69.699441	32.626702	1.01444432	1.075857
03/02/2003	140.038206	1.05036926	0.03403911	74.841292	69.611940	32.623493	1.01461563	1.076499
03/09/2032	123.788213	1.05042283	0.03407256	76.065254	69.524565	32.622069	1.01463223	1.076581
03/17/2061	106.414344	1.05055723	0.03366078	77.348929	69.433896	32.620410	1.01519465	1.076788
03/25/2090	90.930362	1.05031867	0.03313649	77.641496	69.344497	32.621830	1.01551479	1.076421
04/03/2119	82.264270	1.04993717	0.03306466	77.159261	69.257111	32.622749	1.01522135	1.075835
04/10/2148	71.315188	1.05023996	0.03327756	76.958755	69.169904	32.619414	1.01529054	1.076300
04/18/2177	56.832387	1.05013434	0.03319099	78.349157	69.076382	32.617368	1.01527935	1.076138

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