(724) Hapag Main-belt Asteroid

Discovered on 21 October 1911 by J. Palisa at Vienna.

Where Hapag is today

MercuryVenusEarthEarthMarsMarsHapagHapag

Seen from above the solar system on 2026-10-14: Hapag is 2.19 au from the Sun and 1.70 au from Earth. Computed from JPL's orbital elements.

Facts

Number724
Provisional designationA911 UP
Orbit classMain-belt Asteroid
Diameter9.49 km (#5,419 largest of 17,440 named asteroids with a measured size)
Albedo0.103
Rotation period3.13 hours
Absolute magnitude (H)13.87
Orbital period3.85 years
Semi-major axis2.46 au
Perihelion – aphelion1.84 – 3.07 au
Eccentricity0.251
Inclination11.7°
Closest distance between its orbit and Earth's (MOID)0.855 au

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

Also discovered on 21 October 1911

More named asteroids discovered by J. Palisa