704 Interamnia
A main-belt asteroid about 306 km across, 3.1 AU out and 5.3 years to a lap of the Sun.
Where it is right now
704 Interamnia is in Hydra, 3.29 AU away, magnitude 12.5.
Computed for 2 August 2026, 17:00 UTC, and recomputed at least hourly. This page is cached, so treat the line above as accurate to the hour rather than to the second. The map shows the live position.
Position from a Kepler propagation of the published elements below, accurate to about an arcminute.
Facts
Every line carries the source it came from.
- Diameter
- 306 kmSource: NASA/JPL Small-Body Database
- Orbital period
- 5.3 yearsSource: NASA/JPL Small-Body Database
- Distance from the Sun
- 3.057 AU on averageSource: NASA/JPL Small-Body Database
- Orbit shape
- eccentricity 0.155, inclined 17.3 degrees to the eclipticSource: NASA/JPL Small-Body Database
- Class
- Main-belt asteroidSource: NASA/JPL Small-Body Database
- Discovered
- 1910-Oct-02 by Cerulli, V.Source: NASA/JPL Small-Body Database
Physical size
- Mean radius
- 153 km
- Diameter
- 306 km across
- Absolute magnitude H
- 6.34
Orbit
Elements are heliocentric, referred to the J2000.0 ecliptic.
- Average distance from the Sun
- 3.057 AU (457.3 million km)
- Closest and furthest
- 2.583 AU (386.4 million km) to 3.531 AU (528.2 million km)
- Eccentricity
- 0.1551, noticeably elliptical
- Inclination to the ecliptic
- 17.32 degrees
- Orbital period
- 5.3 years (1,952 days)
- Longitude of ascending node
- 280.17 degrees
- Argument of periapsis
- 94.06 degrees
- Mean anomaly at J2000.0
- 240.51 degrees
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Catalog id interamnia. 3,172 objects on the map, of which 171 are hand-authored with sourced facts.