The diameter and thermal inertia of 433 Eros

Details The diameter and thermal inertia of 433 Eros The diameter and thermal inertia of 433 Eros

May 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976icar...28..125m&link_type=abstract

Icarus, vol. 28, May 1976, p. 125-132.

Astronomy and Astrophysics

Astronomy

12

Asteroids, Infrared Astronomy, Infrared Radiometers, Planetary Surfaces, Thermal Conductivity, Albedo, Astronomical Photometry, Diameters, Electrophotometry, Surface Temperature, Thermophysical Properties

Scientific paper

Radiometry of Eros at 10 and 20 micrometers demonstrates that the thermal conductivity of the upper centimeter of the surface is approximately as low as that of the moon, suggesting that the asteroid has a regolith of highly porous rocky material. When combined with photoelectric photometry, these infrared measurements yield an effective diameter of Eros at maximum light of 22 plus or minus 2 km and a geometric albedo of 0.18 plus or minus 0.03.

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