Assertion: asteroid's orbit | /r/HasProperty | calculated
Facets:
Source sentences:
text: The provisional designation is usually superseded by a permanent designation once a reliable orbit has been calculated.
text: Another example was C/1819 N1, the Great Comet of 1819, but occurrence of that transit was not known until after it had happened, when the orbit was calculated, and although some observers later claimed to have seen the comet transiting the Sun at the time, these observations seem dubious.
text: By comparing locations of an asteroid on different plates taken an hour apart, its orbit could be calculated.