urn:nasa:pds:lro_lend:data_science_reduced:lend_rdr_rsci_20210708 1.0 1.17.0.0 Product_Observational 2023-05-12 1.0 Migration to PDS4 2021-07-08T00:00:00Z 2021-07-08T23:59:59Z Lunar Reconnaissance Orbiter Mission urn:nasa:pds:context:investigation:mission.lunar_reconnaissance_orbiter data_to_investigation LEND Lunar Reconnaissance Orbiter Host urn:nasa:pds:context:instrument_host:spacecraft.lro is_instrument_host Lunar Exploration Neutron Detector for LRO Instrument urn:nasa:pds:context:instrument:lro.lend is_instrument Moon Satellite urn:nasa:pds:context:target:satellite.earth.moon data_to_target LEND_RDR_RSCI 1.0 FOURTH EXTENDED SCIENCE MISSION 647395199 647481598 rsci_data_table processing_information_to_data_object GEN_LEND_RDR 1.0.0 lend_rdr_rsci_20210708.dat rsci_data_table 2021-11-19T16:03:25 0 86400 This table contains neutron spectra and associated timing and spatial information for each collection interval (frame) as observed by the Lunar Reconnaissance Orbiter (LRO) Lunar Exploration Neutron Detector (LEND) during a single measurement day. Detailed descriptions for the parameters defined below are contained in the LEND_RDR_SIS document. 35 11 594 LRO_TIME 1 1 UnsignedMSB8 8 5 upper bytes of LRO time. LEND_TIME 2 9 UnsignedMSB4 4 LEND internal time (incremention frequency - 62500 Hz). UTC 3 13 ASCII_String 23 UTC time at the middle of the collection interval, stored as yyyy-mm-ddThh:mm:ss.sss. FRAME_NUMBER 4 36 UnsignedMSB4 4 Sequential counter of accumulation intervals. LRO_ORBIT_NUMBER 5 40 UnsignedMSB4 4 Orbit number common to all instruments aboard LRO. This orbit number is incremented by one as the spacecraft passes through the orbital descending node. LATITUDE 6 44 IEEE754MSBDouble 8 degree Sub-spacecraft latitude in Lunar fixed coordinates at the middle of the pixel. LONGITUDE 7 52 IEEE754MSBDouble 8 degree Sub-spacecraft longitude in Lunar fixed coordinates at the middle of the frame interval. SCPOS_INERT_X 8 60 IEEE754MSBDouble 8 km The geometric position X of the spacecraft with respect to the Moon in the LUNARIAU inertial frame at the input epoch 'et' at the middle of the frame interval. SCPOS_INERT_Y 9 68 IEEE754MSBDouble 8 km The geometric position Y of the spacecraft with respect to the Moon in the LUNARIAU inertial frame at the input epoch 'et' at the middle of the frame interval. SCPOS_INERT_Z 10 76 IEEE754MSBDouble 8 km The geometric position Z of the spacecraft with respect to the Moon in the LUNARIAU inertial frame at the input epoch 'et' at the middle of the frame interval. SCVEL_INERT_X 11 84 IEEE754MSBDouble 8 km/s The geometric velocity X of the spacecraft with respect to Moon in the LUNARIAU inertial frame at the input epoch 'et' at the middle of the frame interval. SCVEL_INERT_Y 12 92 IEEE754MSBDouble 8 km/s The geometric velocity Y of the spacecraft with respect to Moon in the LUNARIAU inertial frame at the input epoch 'et' at the middle of the frame interval. SCVEL_INERT_Z 13 100 IEEE754MSBDouble 8 km/s The geometric velocity Z of the spacecraft with respect to Moon in the LUNARIAU inertial frame at the input epoch 'et' at the middle of the frame interval. LUNARPOS_INSTR_X 14 108 IEEE754MSBDouble 8 km The X position of the sub-spacecraft point as seen from the spacecraft in the instrument frame at the middle of the frame interval. If no spacecraft orientation data was available, then all elements of are set to zero. LUNARPOS_INSTR_Y 15 116 IEEE754MSBDouble 8 km The Y position of the sub-spacecraft point as seen from the spacecraft in the instrument frame at the middle of the frame interval. If no spacecraft orientation data was available, then all elements of are set to zero. LUNARPOS_INSTR_Z 16 124 IEEE754MSBDouble 8 km The Z position of the sub-spacecraft point as seen from the spacecraft in the instrument frame at the middle of the frame interval. If no spacecraft orientation data was available, then all elements of are set to zero. LUNARVEL_INSTR_X 17 132 IEEE754MSBDouble 8 km/s Contains the inertial spacecraft velocity direction X rotated to the instrument frame at the middle of the frame interval. If no spacecraft orientation data was available for the request time, then all elements are set to zero. LUNARVEL_INSTR_Y 18 140 IEEE754MSBDouble 8 km/s Contains the inertial spacecraft velocity direction Y rotated to the instrument frame at the middle of the frame interval. If no spacecraft orientation data was available for the request time, then all elements are set to zero. LUNARVEL_INSTR_Z 19 148 IEEE754MSBDouble 8 km/s Contains the inertial spacecraft velocity direction Z rotated to the instrument frame at the middle of the frame interval. If no spacecraft orientation data was available for the request time, then all elements are set to zero. SCPOS_MOON_X 20 156 IEEE754MSBDouble 8 km Spacecraft position X in Lunar fixed coordinates at the middle of the frame interval. SCPOS_MOON_Y 21 164 IEEE754MSBDouble 8 km Spacecraft position Y in Lunar fixed coordinates at the middle of the frame interval. SCPOS_MOON_Z 22 172 IEEE754MSBDouble 8 km Spacecraft position Z in Lunar fixed coordinates at the middle of the frame interval. INSTR_BORESIGHT_MOON_X 23 180 IEEE754MSBDouble 8 km Sub-instrument boresight X in Lunar fixed coordinates at the middle of the frame interval. INSTR_BORESIGHT_MOON_Y 24 188 IEEE754MSBDouble 8 km Sub-instrument boresight Y in Lunar fixed coordinates at the middle of the frame interval. INSTR_BORESIGHT_MOON_Z 25 196 IEEE754MSBDouble 8 km Sub-instrument boresight Z in Lunar fixed coordinates at the middle of the frame interval. SUB_SCPOS_MOON_X 26 204 IEEE754MSBDouble 8 km Sub-spacecraft vector X in Lunar fixed coordinates at the middle of the frame interval. SUB_SCPOS_MOON_Y 27 212 IEEE754MSBDouble 8 km Sub-spacecraft vector Y in Lunar fixed coordinates at the middle of the frame interval. SUB_SCPOS_MOON_Z 28 220 IEEE754MSBDouble 8 km Sub-spacecraft vector Z in Lunar fixed coordinates at the middle of the frame interval. SCALT 29 228 IEEE754MSBDouble 8 8 Lunarcentric altitude of the sub-spacecraft point in Luanr-fixed rotating frame at the middle of the frame interval. LOCAL_HOUR 30 236 UnsignedByte 1 hr Local Sun hour at the sub-spacecraft point. LOCAL_MINUTE 31 237 UnsignedByte 1 min Local Sun minute at the sub-spacecraft point. POINTING 32 238 UnsignedByte 1 True if pointing data was available. INTERSECTING 33 239 UnsignedByte 1 True if the pointing vector intersects Moon. DATA_COLLECTION_TIME 34 240 UnsignedMSB2 2 s Value of collection time register, length of time in seconds. PARAMETERS_CHANGED 35 242 UnsignedByte 1 Number of the instrument parameters that were changed by commands after previous frame. 1 16 1 0 Spectrum from uncollimated counter of thermal and epithermal neutrons STN1. 243 32 STN1_SPECTRUM 1 1 UnsignedMSB2 2 counts 2 16 1 0 Spectrum from uncollimated counter of epithermal neutrons SETN. 275 32 SETN_SPECTRUM 1 1 UnsignedMSB2 2 counts 3 16 1 0 Spectrum from uncollimated counter of thermal and epithermal neutrons STN2. 307 32 STN2_SPECTRUM 1 UnsignedMSB2 2 counts 4 16 1 0 Spectrum from uncollimated counter of thermal and epithermal neutrons STN3. 339 32 STN3_SPECTRUM 1 1 UnsignedMSB2 2 counts 5 16 1 0 Spectrum from collimated counter of epithermal neutrons CSETN1. 371 32 CSETN1_SPECTRUM 1 1 UnsignedMSB2 2 counts 6 16 1 0 Spectrum from collimated counter of epithermal neutrons CSETN2. 403 32 CSETN2_SPECTRUM 1 1 UnsignedMSB2 2 counts 7 16 1 0 Spectrum from collimated counter of epithermal neutrons CSETN3. 435 32 CSETN3_SPECTRUM 1 1 UnsignedMSB2 2 counts 8 16 1 0 Spectrum from collimated counter of epithermal neutrons CSETN4. 467 32 CSETN4_SPECTRUM 1 1 UnsignedMSB2 2 counts 9 16 1 0 Charged particle spectra for stylbene. 499 32 SHEN1_SPECTRUM 1 1 UnsignedMSB2 2 counts 10 16 1 0 Neutron spectra for stylbene. 531 32 SHEN2_SPECTRUM 1 1 UnsignedMSB2 2 counts 11 16 1 0 Gamma spectra for stylbene. 563 32 SHEN3_SPECTRUM 1 1 UnsignedMSB2 2 counts lend_rdr_rsci_20210708.lbl 0 PDS3 PDS3 label Carriage-Return Line-Feed