urn:nasa:pds:pvo-sedr:data-att:1400 1.0 1.22.0.0 Product_Observational 2024 This file consists of 4 records of spacecraft attitude data for orbit number 1400. Each record consists of a time tag and the celestial latitude and longitude of the spacecraft. Larry H. Brace 1 Goddard Space Flight Center https://ror.org/0171mag52 2024-11-18 1.0 This product, PVO_SEDR_ATT_1400.DAT, was originally released in 1982 as part of the PDS3 PVO-V-POS-6-SEDR-ORBITATTITUDE--V1.0 data set. The metadata have been migrated to PDS4, the data are unchanged. 1982-10-05T12:21:00.000Z 1982-10-06T14:01:00.000Z Engineering Raw Pioneer Venus (PV) Mission urn:nasa:pds:context:investigation:mission.pioneer_venus data_to_investigation Pioneer Venus Orbiter (PVO) Host urn:nasa:pds:context:instrument_host:spacecraft.pvo is_instrument_host Venus Planet urn:nasa:pds:context:target:planet.venus data_to_target Solar Wind Plasma Stream urn:nasa:pds:context:target:plasma_stream.solar_wind data_to_target Venus Orbital Operations 1400 1400 urn:nasa:pds:pvo-sedr:document:data-att-desc data_to_document Document containing a description of the PVO SEDR Spacecraft Attitude Data Collection. PVO-V-POS-6-SEDR-ORBITATTITUDE--V1.0:AT1400.DAT:PVO_SEDR_ATT_1400.DAT data_to_raw_source_product 10.17189/1519831 PDS Planetary Plasma Interactions Node This is the first version converted to PDS4. The DOI provided references the PDS3 source data set. PVO_SEDR_ATT_1400.DAT 2002-01-30T17:03:58 100 b7e1b4de5795d3a9f3eb2a5910615e35 0 1 The header record contains information about the file and its structure as it was originally written to SEDR tape. The header record describes the type of data, block and record sizes, spacecraft id orbit number, and a file identifier. 6 0 20 Logical Header Word 1 1 UnsignedMSB4 4 This object contains the 4 byte long Logical Header Word (LHWD) of the spacecraft attitude file. Bits Description Value 1-11 Physical Record Length 50 12-22 Logical Record Length 5 23-27 Logical Records per Physical Record 10 28-32 File Identifier 3 Number of Logical Records In This File 2 5 UnsignedMSB4 4 This object contains the number of logical data records in this spacecraft attitude file. Short Spare 3 9 UnsignedMSB2 2 This object contains a spare (empty) value. Spacecraft ID 4 11 UnsignedMSB2 2 This object contains the spacecraft identification number for the Pioneer Venus Orbiter. The value of this object is always 12. Orbit Number 5 13 UnsignedMSB4 4 This object contains the orbit number of the Pioneer Venus Orbiter for which this data was gathered. Spare 6 17 IEEE754MSBSingle 4 This object contains the number of logical data records in this spacecraft attitude file. 20 4 This file consists of 4 records of spacecraft attitude data for orbit number 1400. Each record consists of a time tag and the celestial latitude and longitude of the spacecraft. 6 0 20 Year Of Spacecraft Attitude Data 1 1 SignedMSB2 2 This object contains the four digit year in spacecraft universal time for the PVO spacecraft attitude observation. Day Of Year Of Spacecraft Attitude Data 2 3 SignedMSB2 2 This object contains the three digit day of year in spacecraft universal time, ranging from 1 to 366, for the PVO spacecraft attitude observation. Milliseconds Of Day 3 5 SignedMSB4 4 ms This object contains the milliseconds of the day in spacecraft universal time, where midnight is 0.00, for the PVO spacecraft attitude observation. Celestial Latitude 4 9 IEEE754MSBSingle 4 deg This object contains the celestial latitude of the spacecraft, measured in degrees. Celestial Longitude 5 13 IEEE754MSBSingle 4 deg This object contains the celestial longitude of the spacecraft, measured in degrees. Spare 6 17 IEEE754MSBSingle 4 This object contains a spare (empty) value.