(704) Interamnia Main-belt Asteroid

Discovered on 2 October 1910 by V. Cerulli at Teramo.

Where Interamnia is today

Seen from above the solar system on 2026-10-14: Interamnia is 3.31 au from the Sun and 4.07 au from Earth. Computed from JPL's orbital elements.

Number	704
Provisional designation	A910 TC
Orbit class	Main-belt Asteroid
Diameter	306 km (#6 largest of 17,440 named asteroids with a measured size)
Albedo	0.0780
Rotation period	8.73 hours
Spectral type	F
Absolute magnitude (H)	6.34
Orbital period	5.34 years
Semi-major axis	3.06 au
Perihelion – aphelion	2.58 – 3.53 au
Eccentricity	0.155
Inclination	17.3°
Closest distance between its orbit and Earth's (MOID)	1.65 au