Documentation
Object
An astronomical object (a.k.a aster)
Synopsis
class Object:
identifier: ObjectIdentifier,
skyfield_object: SkfPlanet,
radius: float = None
Note
The Object
class is an abstract class. Use one of the following children classes instead:
Star
Planet
DwarfPlanet
(extendsPlanet
)Satellite
Those classes have exactly the same properties and methods as the Object
class.
Properties
identifier
: an unique identifier to know what object it is exactly (Mercury, Venus, etc.)skyfield_object
: the corresponding object in Skyfield library - used internallyradius
: the object's radius. Used to detect some events, e.g. occultations
Methods
get_type(self) -> ObjectType
Returns the kind of aster the object is representing: a planet, a satellite, etc.
get_apparent_radius(self, for_date: Union[Time, datetime]) -> Angle
Calculate the apparent radius, in degrees, of the object from the given place at a given time.
Arguments:
for_date
: the datetime for which the radius must be calculated.
serialize()
Returns the object as a plain simple Python dictionnary.
See also
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