360448
Spacecraft RISAT-1 had a mass at liftoff of , making it the heaviest earth observation satellite to be launched by India , and the heaviest satellite to be launched using a Polar Satellite Launch Vehicle .
 None
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 None