| Issue |
A&A
Volume 395, Number 2, November IV 2002
|
|
|---|---|---|
| Page(s) | L17 - L19 | |
| Section | Letters | |
| DOI | https://doi.org/10.1051/0004-6361:20021444 | |
| Published online | 14 November 2002 | |
Letter to the Editor
Motion of the asteroid (13206) 1997GC22 and the mass of (16) Psyche
Department of Astronomy, Faculty of Mathematics, University of Belgrade, Studentski trg 16, 11000 Belgrade, Yugoslavia
Corresponding author: M. Kuzmanoski, mike@matf.bg.ac.yu
Received:
24
June
2002
Accepted:
2
October
2002
From the perturbing effects of the asteroid (16) Psyche on the
motion of the asteroid (13206) 1997GC22 the mass of (16) Psyche is
determined. A close approach between these two asteroids at
, and at a relative velocity of 
, occured in July 1974. The value of 
has been found for the mass of (16) Psyche,
which yields a density of 
.
These values are very different from those obtained by other
authors, but the mass is much closer to the value based on the IRAS
estimation of (16) Psyche diameter and its M-type taxonomical
classification.
Key words: celestial mechanics / minor planets, asteroids / methods: numerical
© ESO, 2002
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