PINE LIBRARY

lib_vsop87_jupiter

410
Library "lib_vsop87_jupiter"

get_helio_lon(t)
  Computes Jupiter's heliocentric ecliptic longitude using VSOP87 theory.
  Parameters:
    t (float): (float) Julian millennia from J2000.0 (use core.get_julian_millennia(time)).
  Returns: (float) Heliocentric ecliptic longitude in degrees, normalized to range [0, 360).

get_helio_lat(t)
  Computes Jupiter's heliocentric ecliptic latitude using VSOP87 theory.
  Parameters:
    t (float): (float) Julian millennia from J2000.0 (use core.get_julian_millennia(time)).
  Returns: (float) Heliocentric ecliptic latitude in radians, range approximately [-0.035, +0.035]. Note: Returns radians, not degrees.

get_helio_radius(t)
  Computes Jupiter's heliocentric radius (distance from Sun) using VSOP87 theory.
  Parameters:
    t (float): (float) Julian millennia from J2000.0 (use core.get_julian_millennia(time)).
  Returns: (float) Heliocentric radius in astronomical units (AU). Typical range is 4.95-5.46 AU.

get_geo_speed(t)
  Computes Jupiter's geocentric longitude speed (rate of change over time).
  Parameters:
    t (float): (float) Julian millennia from J2000.0 (use core.get_julian_millennia(time)).
  Returns: (float) Geocentric longitude speed in degrees per day. Negative values indicate retrograde motion (apparent backward movement).

get_geo_lon(t)
  Computes Jupiter's geocentric ecliptic longitude (as seen from Earth).
  Parameters:
    t (float): (float) Julian millennia from J2000.0 (use core.get_julian_millennia(time)).
  Returns: (float) Geocentric ecliptic longitude in degrees, normalized to range [0, 360).

get_geo_ecl_lat(t)
  Computes Jupiter's geocentric ecliptic latitude (as seen from Earth).
  Parameters:
    t (float): (float) Julian millennia from J2000.0 (use core.get_julian_millennia(time)).
  Returns: (float) Geocentric ecliptic latitude in degrees, range approximately [-2, +2].

get_geo_decl(t)
  Computes Jupiter's geocentric equatorial declination (as seen from Earth).
  Parameters:
    t (float): (float) Julian millennia from J2000.0 (use core.get_julian_millennia(time)).
  Returns: (float) Geocentric equatorial declination in degrees, range [-90, +90] where positive is north.

Penafian

Maklumat dan penerbitan adalah tidak bertujuan, dan tidak membentuk, nasihat atau cadangan kewangan, pelaburan, dagangan atau jenis lain yang diberikan atau disahkan oleh TradingView. Baca lebih dalam Terma Penggunaan.