Yeah you can, here's a copy paste of the planets.galaxy file format. I'd give a link to the whole thing but the server hosting my website is down (AGAIN).
v0.0.1
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Introduction to planets.galaxy files
====================================
Planets.galaxy files contain infos on all the planets in the saved
game galaxy.
This file is part of the save game file system. See the file
gc-save.game.system-fmt.txt for more details on it's other parts.
Notes
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For this text, I assume that a char is one byte, a short 2 byte
and a longword 4 byte.
The Header
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Variable Name Size
============================
PlanetName Char[54]
PlanetOrbit Short
... 10 byte of unknown stuff ...
PlanetQuality LongWord
... 164 byte of unknown stuff ...
"PlanetName" - The name of the planet.
"PlanetOrbit" - The orbit of the planet in the solar system.
"PlanetQuality" - The quality of the planet.
After this header, it's another planet header until the end
of the file.
.................