(3218) Dolphins
Asteroid (3218) dolphins |
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Properties of the orbit ( animation ) | |
Orbit type | Main belt asteroid |
Major semi-axis | 2.5209 AU |
eccentricity | 0.2172 |
Perihelion - aphelion | 1.9733 AU - 3.0685 AU |
Inclination of the orbit plane | 2.703 ° |
Sidereal period | 4.003 a |
Mean orbital velocity | 18.76 km / s |
Physical Properties | |
Absolute brightness | 13.9 likes |
history | |
Explorer |
CJ and I. van Houten-Groeneveld , T. Gehrels |
Date of discovery | September 24, 1960 |
Another name | 6611 PL, 1976 QJ 1 , 1976 SH 8 |
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. |
(3218) Delphine 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 was named after the astronomer Delphine Jehoulet Delsemme.