(7722) Firne ice
Asteroid (7722) Firneis |
|
---|---|
Properties of the orbit ( animation ) | |
Orbit type | Main belt asteroid |
Major semi-axis | 2.3516 AU |
eccentricity | 0.0770 |
Perihelion - aphelion | 2.1705 AU - 2.5326 AU |
Inclination of the orbit plane | 7.0894 ° |
Length of the ascending node | 16.2526 ° |
Argument of the periapsis | 174.8772 ° |
Sidereal period | 3.61 a |
Mean orbital velocity | 19.42 km / s |
Physical Properties | |
Absolute brightness | 14.0 mag |
history | |
Explorer |
Cornelis Johannes van Houten , Ingrid van Houten-Groeneveld , Tom Gehrels |
Date of discovery | 29th September 1973 |
Another name | 2240 T-2 , 1997 GV 17 |
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. |
(7722) Firneis is an asteroid of the main belt that was discovered on September 26, 1960 by the Dutch astronomer couple Cornelis Johannes van Houten and Ingrid van Houten-Groeneveld . The discovery happened during the second Trojan survey , during which Tom Gehrels surveyed field plates recorded at the University of Leiden with the 120 cm Oschin Schmidt telescope of the Palomar observatory ( IAU code 675) .
The asteroid was named on February 11, 1998 after the Austrian astronomer and university professor Maria G. Firneis (* 1947), who founded the University Observatory Museum in Vienna and has been giving lectures on astronomy-historical topics at various universities in Austria since 1979 .
See also
Web links
- Asteroid Lepaute: Discovery Circumstances according to the Minor Planet Center of the International Astronomical Union at the Harvard-Smithsonian Center for Astrophysics, Cambridge, USA
- Asteroid Lepaute in the Small-Body Database of NASA's Jet Propulsion Laboratory at the California Institute of Technology, Pasadena, USA
- (7722) Firneis in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).