Griqua family
Encyclopedia
The Griqua asteroids are a group of asteroids in the Main Belt orbiting the sun
Sun
The Sun is the star at the center of the Solar System. It is almost perfectly spherical and consists of hot plasma interwoven with magnetic fields...

 between 3.1 and 3.27 AU
Astronomical unit
An astronomical unit is a unit of length equal to about or approximately the mean Earth–Sun distance....

. Asteroids in this group have eccentricities
Orbital eccentricity
The orbital eccentricity of an astronomical body is the amount by which its orbit deviates from a perfect circle, where 0 is perfectly circular, and 1.0 is a parabola, and no longer a closed orbit...

 greater than 0.35. The group derives its name from the asteroid 1362 Griqua
1362 Griqua
1362 Griqua is an outer main-belt asteroid discovered on July 31, 1935 by Cyril V. Jackson at Union Observatory. It is one of very few asteroids located in the 2 : 1 mean motion resonance with Jupiter.- References :...

.

These asteroids are at a 2:1 resonance with Jupiter
Jupiter
Jupiter is the fifth planet from the Sun and the largest planet within the Solar System. It is a gas giant with mass one-thousandth that of the Sun but is two and a half times the mass of all the other planets in our Solar System combined. Jupiter is classified as a gas giant along with Saturn,...

's orbit. As such, their orbits are unstable; gradually perturbed over thousands of years until their orbits intersect with that of Mars
Mars
Mars is the fourth planet from the Sun in the Solar System. The planet is named after the Roman god of war, Mars. It is often described as the "Red Planet", as the iron oxide prevalent on its surface gives it a reddish appearance...

 or Jupiter
Jupiter
Jupiter is the fifth planet from the Sun and the largest planet within the Solar System. It is a gas giant with mass one-thousandth that of the Sun but is two and a half times the mass of all the other planets in our Solar System combined. Jupiter is classified as a gas giant along with Saturn,...

.

Asteroids in this Group

Name a e i
Inclination
Inclination in general is the angle between a reference plane and another plane or axis of direction.-Orbits:The inclination is one of the six orbital parameters describing the shape and orientation of a celestial orbit...

1362 Griqua
1362 Griqua
1362 Griqua is an outer main-belt asteroid discovered on July 31, 1935 by Cyril V. Jackson at Union Observatory. It is one of very few asteroids located in the 2 : 1 mean motion resonance with Jupiter.- References :...

 
3.222 0.370 24.206°
8373 Stephengould
8373 Stephengould
8373 Stephengould is an outer main-belt asteroid discovered on January 1, 1992 by Carolyn S. Shoemaker and Eugene Merle Shoemaker at Palomar. It is one of very few asteroids located in the 2 : 1 mean motion resonance with Jupiter. The asteroid was named after the Harvard paleontologist Stephen Jay...

3.28 0.55 41°
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