ostk.astrodynamics.trajectory.state.coordinate_subset.CartesianAcceleration

class CartesianAcceleration(

self: ostk.astrodynamics.trajectory.state.coordinate_subset.CartesianAcceleration,

cartesian_position: ostk.astrodynamics.trajectory.state.coordinate_subset.CartesianPosition,

cartesian_velocity: ostk.astrodynamics.trajectory.state.coordinate_subset.CartesianVelocity,

name: ostk.core.type.String,

)

Bases: CoordinateSubset

Cartesian acceleration coordinate subset.

Defined with respect to a reference frame.

Constructor.

Parameters:

• cartesian_position (CartesianPosition) -- The Cartesian position.

• cartesian_velocity (CartesianVelocity) -- The Cartesian velocity.

• name (str) -- The name of the subset.

Methods

add	Add the coordinates of another state to the coordinates of this state.
ballistic_coefficient	Get the ballistic coefficient coordinate subset.
default	Get the default Cartesian acceleration subset.
drag_coefficient	Get the drag coefficient coordinate subset.
get_id	Get the identifier of the coordinate subset.
get_name	Get the name of the coordinate subset.
get_size	Get the size of the coordinate subset.
in_frame	Convert a Cartesian acceleration from one reference frame to another.
mass	Get the mass coordinate subset.
mass_flow_rate	Get the mass flow rate coordinate subset.
subtract	Subtract the coordinates of another state from the coordinates of this state.
surface_area	Get the surface area coordinate subset.
thrust_acceleration	Get the Cartesian acceleration subset for thrust acceleration.

add(

self: ostk.astrodynamics.trajectory.state.CoordinateSubset,

instant: ostk.physics.time.Instant,

coordinates: numpy.ndarray[numpy.float64[m, 1]],

another_coordinates: numpy.ndarray[numpy.float64[m, 1]],

frame: ostk.physics.coordinate.Frame,

coordinate_broker: ostk.astrodynamics.trajectory.state.CoordinateBroker,

) → numpy.ndarray[numpy.float64[m, 1]]

Add the coordinates of another state to the coordinates of this state.

Parameters:

• instant (Instant) -- The instant of the state.

• coordinates (numpy.ndarray) -- The coordinates of this state.

• another_coordinates (numpy.ndarray) -- The coordinates of the other state.

• frame (Frame) -- The reference frame of the coordinates.

• coordinate_broker (CoordinateBroker) -- The coordinate broker.

Returns:

The sum of the coordinates.

Return type:

numpy.ndarray

static ballistic_coefficient() → ostk.astrodynamics.trajectory.state.CoordinateSubset

Get the ballistic coefficient coordinate subset.

Returns:

The ballistic coefficient coordinate subset.

Return type:

CoordinateSubset

static default() → ostk.astrodynamics.trajectory.state.coordinate_subset.CartesianAcceleration

Get the default Cartesian acceleration subset.

Returns:

The default Cartesian acceleration subset.

Return type:

CartesianAcceleration

static drag_coefficient() → ostk.astrodynamics.trajectory.state.CoordinateSubset

Get the drag coefficient coordinate subset.

Returns:

The drag coefficient coordinate subset.

Return type:

CoordinateSubset

get_id(

self: ostk.astrodynamics.trajectory.state.CoordinateSubset,

) → ostk.core.type.String

Get the identifier of the coordinate subset.

Returns:

The identifier of the coordinate subset.

Return type:

str

get_name(

self: ostk.astrodynamics.trajectory.state.CoordinateSubset,

) → ostk.core.type.String

Get the name of the coordinate subset.

Returns:

The name of the coordinate subset.

Return type:

str

get_size(

self: ostk.astrodynamics.trajectory.state.CoordinateSubset,

) → int

Get the size of the coordinate subset.

Returns:

The size of the coordinate subset.

Return type:

int

in_frame(

self: ostk.astrodynamics.trajectory.state.coordinate_subset.CartesianAcceleration,

instant: ostk.physics.time.Instant,

coordinates: numpy.ndarray[numpy.float64[m, 1]],

from_frame: ostk.physics.coordinate.Frame,

to_frame: ostk.physics.coordinate.Frame,

coordinate_broker: ostk.astrodynamics.trajectory.state.CoordinateBroker,

) → numpy.ndarray[numpy.float64[m, 1]]

Convert a Cartesian acceleration from one reference frame to another.

Parameters:

• instant (Instant) -- The instant of the conversion.

• coordinates (np.ndarray) -- The Cartesian acceleration to convert.

• from_frame (Frame) -- The reference frame of the input Cartesian acceleration.

• to_frame (Frame) -- The reference frame of the output Cartesian acceleration.

• coordinate_broker (CoordinateBroker) -- The coordinate broker.

Returns:

The Cartesian acceleration in the output reference frame.

Return type:

numpy.ndarray

static mass() → ostk.astrodynamics.trajectory.state.CoordinateSubset

Get the mass coordinate subset.

Returns:

The mass coordinate subset.

Return type:

CoordinateSubset

static mass_flow_rate() → ostk.astrodynamics.trajectory.state.CoordinateSubset

Get the mass flow rate coordinate subset.

Returns:

The mass flow rate coordinate subset.

Return type:

CoordinateSubset

subtract(

self: ostk.astrodynamics.trajectory.state.CoordinateSubset,

instant: ostk.physics.time.Instant,

coordinates: numpy.ndarray[numpy.float64[m, 1]],

another_coordinates: numpy.ndarray[numpy.float64[m, 1]],

frame: ostk.physics.coordinate.Frame,

coordinate_broker: ostk.astrodynamics.trajectory.state.CoordinateBroker,

) → numpy.ndarray[numpy.float64[m, 1]]

Subtract the coordinates of another state from the coordinates of this state.

Parameters:

• instant (Instant) -- The instant of the state.

• coordinates (numpy.ndarray) -- The coordinates of this state.

• another_coordinates (numpy.ndarray) -- The coordinates of the other state.

• frame (Frame) -- The reference frame of the coordinates.

• coordinate_broker (CoordinateBroker) -- The coordinate broker.

Returns:

The difference of the coordinates.

Return type:

numpy.ndarray

static surface_area() → ostk.astrodynamics.trajectory.state.CoordinateSubset

Get the surface area coordinate subset.

Returns:

The surface area coordinate subset.

Return type:

CoordinateSubset

static thrust_acceleration() → ostk.astrodynamics.trajectory.state.coordinate_subset.CartesianAcceleration

Get the Cartesian acceleration subset for thrust acceleration.

Returns:

The Cartesian acceleration subset for thrust acceleration.

Return type:

CartesianAcceleration