grss.libgrss.SpiceBody

grss.libgrss.SpiceBody#

class grss.libgrss.SpiceBody#

Bases: Body

The SpiceBody class contains the properties of a SPICE body.

__init__(self: grss.libgrss.SpiceBody, name: str, spiceId: int, t0: float, mass: float, radius: float) → None#

Constructor for the SpiceBody class.

namestr: Name of the body.
spiceIdint: SPICE ID of the body.
t0real: Initial MJD TDB time of the body. Same as the initial time of the propagator.
massreal: Mass of the body.
radiusreal: Radius of the body.

Methods

`__init__`(self, name, spiceId, t0, mass, radius)	Constructor for the SpiceBody class.
`set_J2`(self, J2, poleRA, poleDec)	Set the J2 parameter of the body.
`set_harmonics`(self, poleRA, poleDec, nZon, ...)	Set the J2 parameter of the body.

Attributes

`C`	Sectoral coefficients of the spherical harmonics.
`J`	Zonal coefficients of the spherical harmonics.
`J2`	J2 parameter of the body.
`S`	Tesseral coefficients of the spherical harmonics.
`caTol`	Distance tolerance for close approaches.
`isHarmonic`	Whether the body has spherical harmonics.
`isJ2`	Whether the body is a J2 body.
`isMajor`	Whether the body is a major body (used for EIH PPN).
`isNongrav`	Whether the body has non-gravitational accelerations.
`isPPN`	Whether the body is a PPN body.
`isSpice`	Whether the body is a SPICE body.
`mass`	Mass of the body.
`nTes`	Order of the spherical harmonics.
`nZon`	Degree of the spherical harmonics.
`name`	Name of the body.
`poleDec`	Declination of the pole of the body.
`poleRA`	Right ascension of the pole of the body.
`radius`	Radius of the body.
`spiceId`	SPICE ID of the body.
`t0`	Initial MJD TDB time of the body.

property C#: Sectoral coefficients of the spherical harmonics.

property J#: Zonal coefficients of the spherical harmonics.

property J2#: J2 parameter of the body.

property S#: Tesseral coefficients of the spherical harmonics.

property caTol#: Distance tolerance for close approaches.

property isHarmonic#: Whether the body has spherical harmonics.

property isJ2#: Whether the body is a J2 body.

property isMajor#: Whether the body is a major body (used for EIH PPN).

property isNongrav#: Whether the body has non-gravitational accelerations.

property isPPN#: Whether the body is a PPN body.

property isSpice#: Whether the body is a SPICE body. Always True.

property mass#: Mass of the body.

property nTes#: Order of the spherical harmonics.

property nZon#: Degree of the spherical harmonics.

property name#: Name of the body.

property poleDec#: Declination of the pole of the body.

property poleRA#: Right ascension of the pole of the body.

property radius#: Radius of the body.

set_J2(self: grss.libgrss.Body, J2: float, poleRA: float, poleDec: float) → None#

Set the J2 parameter of the body.

Parameters:

J2 (real) – J2 parameter of the body.
poleRA (real) – Right ascension of the pole of the body in degrees.
poleDec (real) – Declination of the pole of the body in degrees.

Returns:

None – None.

Return type:

NoneType

set_harmonics(self: grss.libgrss.Body, poleRA: float, poleDec: float, nZon: int, nTes: int, J: list[float], C: list[list[float]], S: list[list[float]]) → None#