4 Spacecraft Attitude and Solar Ephemeris

• 4.1 Routines for Determining Spacecraft Pointing
  • 4.1.1 RD_PNT_HIST
  • 4.1.2 SXT_CEN
  • 4.1.3 GET_ROLL
  • 4.1.4 HXA_SUNCENTER
• 4.2 Routines to Convert Coordinate Systems
  • 4.2.1 Definition of the Coordinate Systems ``P'', ``A'', ``H'' and ``C''
  • 4.2.2 CONV_P2A and CONV_A2P
  • 4.2.3 CONV_A2H and CONV_H2A
  • 4.2.4 CONV_P2H and CONV_H2P
  • 4.2.5 CONV_P2HXT and CONV_HXT2P
  • 4.2.6 CONV_P2C and CONV_C2P
  • 4.2.7 CONV_H2HS and CONV_HS2H
• 4.3 Routines for Ephemeris Information
  • 4.3.1 GET_RB0P
  • 4.3.2 DIFF_ROT
• 4.4 Routines to Access the Yohkoh Attitude Database
  • 4.4.1 RD_PNT
  • 4.4.2 RD_ATR and RD_ATT
  • 4.4.3 GET_ATT
  • 4.4.4 GT_HXA
  • 4.4.5 GT_IRU