7 Iris
A main-belt asteroid about 200 km across, 2.4 AU out and 3.7 years to a lap of the Sun.
Where it is right now
7 Iris is in Virgo, 3.40 AU away, magnitude 11.4.
Computed for 2 August 2026, 21:00 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
- 200 kmSource: NASA/JPL Small-Body Database
- Orbital period
- 3.7 yearsSource: NASA/JPL Small-Body Database
- Distance from the Sun
- 2.386 AU on averageSource: NASA/JPL Small-Body Database
- Orbit shape
- eccentricity 0.230, inclined 5.5 degrees to the eclipticSource: NASA/JPL Small-Body Database
- Class
- Main-belt asteroidSource: NASA/JPL Small-Body Database
- Discovered
- 1847-Aug-13 by Hind, J. R.Source: NASA/JPL Small-Body Database
Physical size
- Mean radius
- 99.9 km
- Diameter
- 200 km across
- Absolute magnitude H
- 5.70
Orbit
Elements are heliocentric, referred to the J2000.0 ecliptic.
- Average distance from the Sun
- 2.386 AU (356.9 million km)
- Closest and furthest
- 1.836 AU (274.7 million km) to 2.935 AU (439.1 million km)
- Eccentricity
- 0.2303, noticeably elliptical
- Inclination to the ecliptic
- 5.52 degrees
- Orbital period
- 3.7 years (1,346 days)
- Longitude of ascending node
- 259.49 degrees
- Argument of periapsis
- 145.41 degrees
- Mean anomaly at J2000.0
- 52.78 degrees
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Catalog id iris. 3,172 objects on the map, of which 171 are hand-authored with sourced facts.