687 Tinette is a
minor planet
According to the International Astronomical Union (IAU), a minor planet is an astronomical object in direct orbit around the Sun that is exclusively classified as neither a planet nor a comet. Before 2006, the IAU officially used the term ''mino ...
orbiting the
Sun
The Sun is the star at the center of the Solar System. It is a nearly perfect ball of hot plasma, heated to incandescence by nuclear fusion reactions in its core. The Sun radiates this energy mainly as light, ultraviolet, and infrared radi ...
. It was discovered by Austrian astronomer
Johann Palisa on 16 August 1909 from
Vienna
en, Viennese
, iso_code = AT-9
, registration_plate = W
, postal_code_type = Postal code
, postal_code =
, timezone = CET
, utc_offset = +1
, timezone_DST ...
and was given the preliminary designation 1909 HG.
Photometric observations at the Palmer Divide Observatory in
Colorado Springs, Colorado, in 1999 were used to build a
light curve
In astronomy, a light curve is a graph of light intensity of a celestial object or region as a function of time, typically with the magnitude of light received on the y axis and with time on the x axis. The light is usually in a particular frequ ...
for this object. The asteroid displayed a
rotation period of 7.40 ± 0.02 hours and a brightness variation of 0.25 ± 0.01 in
magnitude
Magnitude may refer to:
Mathematics
*Euclidean vector, a quantity defined by both its magnitude and its direction
*Magnitude (mathematics), the relative size of an object
*Norm (mathematics), a term for the size or length of a vector
*Order of ...
.
References
External links
Lightcurve plot of 687 Tinette Palmer Divide Observatory, ''
B. D. Warner'' (1999)
Asteroid Lightcurve Database (LCDB) query form
)
Dictionary of Minor Planet Names Google books
– Observatoire de Genève, Raoul Behrend
– Minor Planet Center
*
*
Background asteroids
Tinette
Tinette
X-type asteroids (Tholen)
X-type asteroids (SMASS)
19090816
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