(8974) Gregaria Main-belt Asteroid

Discovered on 25 September 1973 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.

Named for Chettusia gregaria, or sociable plover.Naming citation (WGSBN Bull. 2, #8, 8), IAU / Minor Planet Center, via NASA/JPL

Where Gregaria is today

MercuryVenusEarthEarthMarsMarsGregariaGregaria

Seen from above the solar system on 2026-10-14: Gregaria is 2.04 au from the Sun and 2.82 au from Earth. Computed from JPL's orbital elements.

Facts

Number8974
Provisional designation3357 T-2
Orbit classMain-belt Asteroid
Diameter2.64 km (#15,979 largest of 17,440 named asteroids with a measured size)
Albedo0.231
Absolute magnitude (H)15.26
Orbital period3.24 years
Semi-major axis2.19 au
Perihelion – aphelion1.94 – 2.44 au
Eccentricity0.114
Inclination1.03°
Closest distance between its orbit and Earth's (MOID)0.957 au

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

Also discovered on 25 September 1973

More named asteroids discovered by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T.