(7720) Lepaute
Asteroid (7720) Lepaute |
|
---|---|
Properties of the orbit ( animation ) | |
Orbit type | Main outer belt asteroid |
Asteroid family | Themis family |
Major semi-axis | 3.2489 AU |
eccentricity | 0.1591 |
Perihelion - aphelion | 2.7319 AU - 3.7658 AU |
Inclination of the orbit plane | 0.6024 ° |
Length of the ascending node | 175.0211 ° |
Argument of the periapsis | 188.7265 ° |
Sidereal period | 5.86 a |
Mean orbital velocity | 16.53 km / s |
Physical Properties | |
Absolute brightness | 14.6 mag |
history | |
Explorer |
Cornelis Johannes van Houten , Ingrid van Houten-Groeneveld , Tom Gehrels |
Date of discovery | September 26, 1960 |
Another name | 4559 PL , 1978 WN 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. |
(7720) Lepaute is an asteroid of the main outer belt that was discovered on September 26, 1960 by the Dutch astronomer couple Cornelis Johannes van Houten and Ingrid van Houten-Groeneveld . The discovery was made as part of the Palomar-Leiden survey , during which Tom Gehrels examined field plates recorded at the University of Leiden with the 120 cm Oschin Schmidt telescope of the Palomar observatory ( IAU code 675) .
The asteroid belongs to the Themis family, a group of asteroids named after (24) Themis .
(7720) Lepaute was named after the French astronomer during the Enlightenment, Nicole-Reine Lepaute (1723–1788), who in 1762 calculated the exact time of the 1764 solar eclipse.
See also
Individual evidence
- ↑ The family membership of (7720) Lepaute in the AstDyS-2 database (English)
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
- (7720) Lepaute in the database of the "Asteroids - Dynamic Site" (AstDyS-2, English).