urn:nasa:pds:pvo-sedr:data-srr:0411 1.0 1.22.0.0 Product_Observational 2024 This time_series consists of 2 records or rows of spacecraft pulse star celestial latitude, longitude, and synchronization error estimate for orbit 0411. Larry H. Brace 1 Goddard Space Flight Center https://ror.org/0171mag52 2024-11-22 1.0 This product, PVO_SEDR_SRR_0411.DAT, was originally released in 1979 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. 1980-01-19T13:00:00.000Z 1980-01-20T15:00:00.000Z 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 411 411 urn:nasa:pds:pvo-sedr:document:data-srr-desc data_to_document Document containing a description of the PVO SEDR Selected Roll Reference Data Collection. PVO-V-POS-6-SEDR-ORBITATTITUDE--V1.0:PVO_SEDR_SRR_0411.DAT:PVO_SEDR_SRR_0411.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_SRR_0411.DAT 1969-12-31T16:00:00 120 0c4565a769578f63337424c34c65c024 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. 13 0 40 Logical Header Word 1 1 UnsignedMSB4 4 This object contains the 4 byte long Logical Header Word (LHWD) of the spacecraft SRR epoch file. Bits Description Value 1-11 Physical Record Length 100 12-22 Logical Record Length 10 23-27 Logical Records per Physical Record 10 28-32 File Identifier 5 Number Of Logical Records In This File 2 5 UnsignedMSB4 4 This object contains the number of logical data records in this SRR epoch 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. Start Year Of Data 6 17 UnsignedMSB2 2 This object contains the four digit year for the first data point in this SRR epoch file. Start Day Of Year Of Data 7 19 UnsignedMSB2 2 This object contains the three digit day of year, ranging from 1 to 366, for the first data point in this SRR epoch file. Start Milliseconds Of Day Of Data 8 21 UnsignedMSB4 4 This object contains the milliseconds of the day, where midnight is 0.00, for the first data point in this SRR epoch file. Stop Year Of Data 9 25 UnsignedMSB2 2 This object contains the four digit year for the last data point in this SRR epoch file. Stop Day Of Year Of Data 10 27 UnsignedMSB2 2 This object contains the three digit day of year, ranging from 1 to 366, for the last data point in this SRR epoch file. Stop Milliseconds Of Day Of Data 11 29 UnsignedMSB4 4 This object contains the milliseconds of the day, where midnight is 0.00, for the last data point in this SRR epoch file. Spare1 12 33 IEEE754MSBSingle 4 This object contains a spare (empty) value. Spare2 13 37 IEEE754MSBSingle 4 This object contains a spare (empty) value. 40 2 This time_series consists of 2 records or rows of spacecraft pulse star celestial latitude, longitude, and synchronization error estimate for orbit 0411. 11 0 40 Year Of Spacecraft SRR Epoch Data 1 1 SignedMSB2 2 This object contains the four digit year in spacecraft universal time for the PVO spacecraft SRR epoch record. Day Of Year Of Spacecraft SRR Epoch 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 SRR epoch record. Millisec Of Day Of SC SRR Epoch Data 3 5 SignedMSB4 4 This object contains the milliseconds of the day in spacecraft universal time, where midnight is 0, for the PVO spacecraft SRR epoch record. Spare1 4 9 IEEE754MSBSingle 4 This object contains a spare (empty) value. Spare2 5 13 IEEE754MSBSingle 4 This object contains a spare (empty) value. Celestial Latitude Of Pulse Star 6 17 IEEE754MSBSingle 4 This object contains the celestial latitude, measured in degrees, of the star used to generate a spacecraft pulse time when the SRR pulse is using star synchronization. Celestial Longitude Of Pulse Star 7 21 IEEE754MSBSingle 4 This object contains the celestial longitude, measured in degrees, of the star used to generate a spacecraft pulse time when the SRR pulse is using star synchronization. Error In Simulated SRR Epoch 8 25 IEEE754MSBSingle 4 This object contains an estimate of the time difference, measured in seconds, between an SRR pulse using simulated synchronization and an estimate of the corresponding sun pulse. Spare3 9 29 IEEE754MSBSingle 4 This object contains a spare (empty) value. Spare4 10 33 IEEE754MSBSingle 4 This object contains a spare (empty) value. Spare5 11 37 IEEE754MSBSingle 4 This object contains a spare (empty) value.