GRAIL-A Spacecraft Orientation CK File ============================================================================ Orientation Data in the File -------------------------------------------------------- This file contains predicted orientation data for the GRAIL-A spacecraft frame, 'GRAIL-A_SPACECRAFT', relative to the Earth Mean Equator and Equinox of J2000, 'J2000', inertial frame. The NAIF ID code for the 'GRAIL-A_SPACECRAFT' frame is -177000. Status -------------------------------------------------------- This file is a special predicted C-Kernel file created by NAIF using quaternion from the DRF file gra_cruise_loi_mitigation_111010_od005v1.drf provided by Ryan Olds. LMCO to GRAIL NAV on 29 Nov 2011. Contacts -------------------------------------------------------- If you have any questions regarding this data contact NAIF at JPL: Boris V. Semenov (818)-354-8136 boris.semenov@jpl.nasa.gov MSOPCK SETUP FILE: msopck.setup ============================================================================ \begindata LSK_FILE_NAME = '/ftp/pub/naif/GRAIL/kernels/lsk/naif0009.tls' SCLK_FILE_NAME = '/ftp/pub/naif/GRAIL/kernels/sclk/GRA_SCLKSCET.00005.tsc' FRAMES_FILE_NAME = '/ftp/pub/naif/GRAIL/kernels/fk/grail_v03.tf' INTERNAL_FILE_NAME = 'GRAIL-A Predicted SC Bus CK File by NAIF/JPL' CK_TYPE = 3 CK_SEGMENT_ID = 'GRAIL-A SC BUS PREDICTED QUATS' INSTRUMENT_ID = -177000 REFERENCE_FRAME_NAME = 'J2000' ANGULAR_RATE_PRESENT = 'MAKE UP/NO AVERAGING' INPUT_DATA_TYPE = 'MSOP QUATERNIONS' INPUT_TIME_TYPE = 'UTC' PRODUCER_ID = 'Boris Semenov, NAIF/JPL' \begintext