(7217) Dacke Outer Main-belt Asteroid

Discovered on 22 August 1979 by C.-I. Lagerkvist at La Silla.

Named for Nils Dacke (d.~1543), born in Torsås in the Swedish province Småland. Dacke was the leader of the peasants who rebelled against king Gustav Wasa in 1542. This uprising, mainly against clerical policy, tax policy and prohibition of trade across the Danish border, was the last of the large rebellions in Sweden against the king and centralized power. Initially, Dacke and his army had great success and forced the king to sign a peace treaty after he lost most of the southern provinces to the rebels. The next year the king hired foreign mercenaries, and Dacke's army was beaten. Dacke was shot, and the uprising was at an end.Naming citation (19980211/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Dacke is today

Seen from above the solar system on 2026-10-14: Dacke is 3.25 au from the Sun and 2.62 au from Earth. Computed from JPL's orbital elements.

Facts

Number	7217
Provisional designation	1979 QX3
Orbit class	Outer Main-belt Asteroid
Diameter	24.4 km (#1,736 largest of 17,440 named asteroids with a measured size)
Albedo	0.0890
Rotation period	13.6 hours
Absolute magnitude (H)	11.72
Orbital period	5.76 years
Semi-major axis	3.21 au
Perihelion – aphelion	2.69 – 3.74 au
Eccentricity	0.164
Inclination	10.1°
Closest distance between its orbit and Earth's (MOID)	1.67 au

Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.

Also named after someone called Nils

All asteroids named after someone called Nils

Also discovered on 22 August 1979

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