(22401) Egisto Outer Main-belt Asteroid

Discovered on 24 February 1995 by M. Tombelli at Cima Ekar.

Egisto Masotti (b. 1944), amateur astronomer in the Montelupo group of amateur astronomers, is very active in the popularization of astronomy.Naming citation (WGSBN Bull. 3, #13, 9), IAU / Minor Planet Center, via NASA/JPL

Where Egisto is today

Seen from above the solar system on 2026-10-14: Egisto is 3.51 au from the Sun and 2.91 au from Earth. Computed from JPL's orbital elements.

Facts

Number	22401
Provisional designation	1995 DP3
Orbit class	Outer Main-belt Asteroid
Diameter	15.5 km (#3,018 largest of 17,440 named asteroids with a measured size)
Albedo	0.0510
Absolute magnitude (H)	13.32
Orbital period	5.76 years
Semi-major axis	3.21 au
Perihelion – aphelion	2.83 – 3.59 au
Eccentricity	0.118
Inclination	15.8°
Closest distance between its orbit and Earth's (MOID)	1.85 au

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

Also discovered on 24 February 1995

More named asteroids discovered by M. Tombelli

← (22397) Minobe · (22402) Goshi →