publication . Article . 2005

Optical and thermal infrared observations of six near-Earth asteroids in 2002

Wolters, Sd; Simon F. Green; Mcbride, N.; Davies, Jk;
Open Access
  • Published: 01 May 2005 Journal: Icarus, volume 175, pages 92-110 (issn: 0019-1035, Copyright policy)
  • Publisher: Elsevier BV
Abstract We present thermal infrared photometry and spectrophotometry of six Near-Earth Asteroids (NEAs) using the 3.8 m United Kingdom Infrared Telescope (UKIRT) together with quasi-simultaneous optical observations of five NEAs taken at the 1.0 m Jacobus Kapteyn Telescope (JKT). For Asteroid (6455) 1992 HE we derive a rotational period P = 2.736 ± 0.002 h , and an absolute visual magnitude H = 14.32 ± 0.24 . For Asteroid 2002 HK12 we derive H = 18.22 ( + 0.37 , − 0.30 ) . The Standard Thermal Model (STM), the Fast Rotating Model (FRM) and the Near-Earth Asteroid Thermal Model (NEATM) have been fitted to the measured fluxes to derive albedos and effective diame...
free text keywords: Space and Planetary Science, Astronomy and Astrophysics, Asteroid, Absolute magnitude, Apparent magnitude, Rotation period, Astronomy, Physics, Infrared telescope, Near-Earth object, Photometry (optics), Telescope, law.invention, law
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