0103072 - ASU-R 20040052 RIV US eng J - Journal Article
Pravec, Petr - Kušnirák, Peter - Kotková, Lenka
1999 DJ4.
[1999 DJ4.]
International Astronomical Union. Central Bureau for Astronomical Telegrams. Circular. -, č. 8316 (2004), s. 1. ISSN 0081-0304
R&D Projects: GA AV ČR IAA3003204
Institutional research plan: CEZ:AV0Z1003909
Keywords : binary asteroids * photomety
Subject RIV: BN - Astronomy, Celestial Mechanics, Astrophysics

The authors show that the Apollo-type minor planet 1999 DJ4 is a binary system with an orbital period of 17.72 hr.

Autoři ukazují, že planetka 1999 DJ4 typu Apollo je binární systém s orbitální periodou 17,72 h.
Permanent Link: http://hdl.handle.net/11104/0010404