(1689) Floris-Jan
Asteroid (1689) Floris-Jan |
|
---|---|
Properties of the orbit ( animation ) | |
Orbit type | Main belt asteroid |
Major semi-axis | 2.4511 AU |
eccentricity | 0.2049 |
Perihelion - aphelion | 1.9488 AU - 2.9534 AU |
Inclination of the orbit plane | 6.378 ° |
Sidereal period | 3,838 a |
Mean orbital velocity | 19.02 km / s |
Physical Properties | |
Medium diameter | 14 km |
Albedo | ? |
Rotation period | 145 h |
Absolute brightness | 11,513 likes |
Spectral class | ? |
history | |
Explorer | H. van Gent |
Date of discovery | September 16, 1930 |
Another name | 1930 SO, 1926 PG, 1928 DN |
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. |
(1689) Floris-Jan is an asteroid of the main belt that was discovered on September 16, 1930 by the Dutch astronomer Hendrik van Gent in Johannesburg .
The asteroid is named after Floris-Jan van der Meulen , the 5000th visitor to an astronomical exhibition.