(8644) Betulapendula

Asteroid (8644) Betulapendula
Properties of the orbit ( animation ) Epoch: April 27, 2019 ( JD 2,458,600.5)
Orbit type	Inner main belt asteroid
Major semi-axis	2.3757 AU
eccentricity	0.1718
Perihelion - aphelion	1.9675 AU - 2.7838 AU
Inclination of the orbit plane	13.1808 °
Length of the ascending node	13.1808 °
Argument of the periapsis	296.3913 °
Time of passage of the perihelion	11th September 2017
Sidereal period	3.66 a
Mean orbital velocity	19.33 km / s
Physical Properties
Medium diameter	4.391 km (± 0.151)
Albedo	0.303 (± 0.070)
Absolute brightness	13.5 likes
history
Explorer	Eric Walter Elst
Date of discovery	September 16, 1988
Another name	1988 SD , 1980 KX, 1981 UK ₁₅ , 1992 UN ₆
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.

(8644) Betulapendula is an asteroid of the inner main belt , which was discovered by the Belgian astronomer Eric Walter Elst on September 16, 1988 at the French Observatoire de Haute-Provence in the Alpes-de-Haute-Provence department ( IAU code 511). Unconfirmed sightings of the asteroid had already been made on May 17, 1980 (1980 KX) and October 23, 1981 (1981 UK ₁₅ ) at the Crimean Observatory in Nautschnyj .

The mean diameter of the asteroid was calculated to be 4.391 km (± 0.151). The albedo of 0.303 (± 0.070) indicates a rather light surface.

(8644) Betulapendula was named on April 2, 1999 after the silver birch , whose scientific name is Betula pendula .

Web links