class_docstr: Polynomial encoding the satellite position.
  
  Satellite position as a function of time is encoded in the coefficients
  of an 8th-order Chebyshev polynomial.
class_docstr_tok: ["Polynomial","encoding","the","satellite","position",".","Satellite","position","as","a","function","of","time","is","encoded","in","the","coefficients","of","an","8th-order","Chebyshev","polynomial","."]
docstr: Get satellite position in earth-centered cartesian coordinates.
  
  Args:
      time: Timestamp where to evaluate the polynomial
  
  Returns:
      Earth-centered cartesian coordinates (x, y, z) in meters
docstr_tok: ["Get","satellite","position","in","earth-centered","cartesian","coordinates",".","Args",":","time",":","Timestamp","where","to","evaluate","the","polynomial","Returns",":","Earth-centered","cartesian","coordinates","(","x",",","y",",","z",")","in","meters"]
code: def evaluate(self, time):
      """Get satellite position in earth-centered cartesian coordinates.
  
      Args:
          time: Timestamp where to evaluate the polynomial
  
      Returns:
          Earth-centered cartesian coordinates (x, y, z) in meters
      """
      domain = [
          np.datetime64(self.start_time).astype("int64"),
          np.datetime64(self.end_time).astype("int64"),
      ]
      time = np.datetime64(time).astype("int64")
      x, y, z = chebyshev_3d(self.coefs, time, domain)
      return x * 1000, y * 1000, z * 1000
  
imports: from __future__ import annotations
  import warnings
  from datetime import datetime, timedelta
  import dask.array
  import numpy
  import pyproj
  from numpy.polynomial.chebyshev import Chebyshev
  from satpy.readers.eum_base import issue_revision, time_cds_short
  from satpy.readers.utils import apply_earthsun_distance_correction
  from satpy.utils import get_legacy_chunk_size
label_desc: Use image node_id 2 for calling the OrbitPolynomial obj's underlying member method code with example usage: obj.evaluate(time) and returns: unknown,  unknown,  unknown