(1777) Gehrels
Asteroid (1777) Gehrel's |
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Properties of the orbit ( animation ) | |
Orbit type | Main belt asteroid |
Major semi-axis | 2.6255 AU |
eccentricity | 0.0194 |
Perihelion - aphelion | 2.5747 AU - 2.6764 AU |
Inclination of the orbit plane | 3.151 ° |
Sidereal period | 4,254 a |
Mean orbital velocity | 18.382 km / s |
Physical Properties | |
Medium diameter | 20 km |
Rotation period | 2.836 h |
Absolute brightness | 11.402 mag |
Spectral class | Sq |
history | |
Explorer | CJ and I. van Houten-Groeneveld , T. Gehrels |
Date of discovery | 1960 |
Another name | 4007 PL, 1937 GN, 1941 BU |
Source: Unless otherwise stated, the data comes from JPL Small-Body Database Browser . The affiliation to an asteroid family is automatically determined from the AstDyS-2 database . Please also note the note on asteroid items. |
(1777) Gehrels is an asteroid of the main belt that was discovered on September 24, 1960 by the Dutch research team Cornelis Johannes van Houten , Ingrid van Houten-Groeneveld and Tom Gehrels as part of the Palomar-Leiden Survey .
The asteroid is named after the Dutch-born US astronomer Tom Gehrels , one of the discoverers of the planetoid and coinitiator of the Palomar-Leiden survey.