Asteroid Absolute Magnitudes and Slopes

Absolute magnitudes and slopes, mostly IAU-adopted with exceptions noted, for all asteroids numbered as of the 2008 April 20 batch of Minor Planet Circulars.

PDS4 version urn:nasa:pds:asteroid-magnitude-and-slope-compilation::1.0 Browse Download (877 kb)
PDS3 version EAR-A-5-DDR-ASTERMAG-V12.0 Browse Download (901 kb)

The PDS4 bundle was migrated from the PDS3 data set in October 2019. The data content is unchanged.

Use the following citation to reference this data set:

"Tholen, D.J., Eds., Asteroid Absolute Magnitudes V12.0. EAR-A-5-DDR-ASTERMAG-V12.0. NASA Planetary Data System, 2009."

Superseded versions of this data set:

EAR-A-5-DDR-ASTERMAG-V11.0 Browse Download (763 kb)
EAR-A-5-DDR-ASTERMAG-V10.0 Browse Download (637 kb)
EAR-A-5-DDR-ASTERMAG-V9.0 Browse Download (518 kb)
EAR-A-5-DDR-ASTERMAG-V8.0 Browse Download (386 kb)
EAR-A-5-DDR-ASTERMAG-V7.0 Browse Download (402 kb)
EAR-A-5-DDR-ASTERMAG-V6.0 Browse Download (292 kb)
EAR-A-5-DDR-ASTERMAG-V5.0 Browse Download (75 kb)
EAR-A-5-DDR-ASTERMAG-V4.0 Browse Download (52 kb)
EAR-A-5-DDR-ASTERMAG-V3.0 Browse Download (38 kb)
EAR-A-5-DDR-ASTERMAG-V2.0 Browse Download (37 kb)
A-5-DDR-ASTERMAG-V1.0 Browse Download (31 kb)