3728 IRAS is a main belt

Asteroid belt

The asteroid belt is the region of the Solar System located roughly between the orbits of the planets Mars and Jupiter. It is occupied by numerous irregularly shaped bodies called asteroids or minor planets...

 asteroid

Asteroid

Asteroids are a class of small Solar System bodies in orbit around the Sun. They have also been called planetoids, especially the larger ones...

 discovered in 1983. It is about 6.07 miles (9.76 km) in diameter

Diameter

In geometry, a diameter of a circle is any straight line segment that passes through the center of the circle and whose endpoints are on the circle. The diameters are the longest chords of the circle...

 according to data from the infrared survey by the IRAS satellite 1983. It is one of the three asteroids discovered with data from Infrared Astronomical Satellite

IRAS

The Infrared Astronomical Satellite was the first-ever space-based observatory to perform a survey of the entire sky at infrared wavelengths....

 in 1983, and was named in honour of the satellite.

The two other asteroids were 3200 Phaethon

3200 Phaethon

3200 Phaethon is an asteroid with an unusual orbit that brings it closer to the Sun than any other named asteroid . For this reason, it was named after the Greek myth of Phaëton, son of the sun god Helios...

 and (10714) 1983 QG. Also, the Jupiter-family comet 126P/IRAS was discovered by IRAS and named for it. IRAS discovered 4 long period and 2 short period comets.

See also

• Wide-field Infrared Survey Explorer
  Wide-field Infrared Survey Explorer
  Wide-field Infrared Survey Explorer is a NASA infrared-wavelength astronomical space telescope launched on December 14, 2009, and decommissioned/hibernated on February 17, 2011 when its transmitter was turned off...
  
  (WISE), a space infrared survey satellite from 2010

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