EOS Terra Mission Status Constellation MOWG
Presentation on the current status of the Terra Spacecraft. Includes status of vehicle health, recent & future activities and future maneuver plans.
MOWG↗
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EOS Terra Mission Status Constellation MOWG
These presentation slides present the current status of the Terra spacecraft and the future maneuver plans for the rest of Terra's mission life.
Terra Spacecraft Status and Furture Plans↗
EOS Terra Mission Status
Explore the source record for details and available documents.
Terra Spacecraft Status↗
EOS Terra: Mission Status Constellation MOWG
General information regarding the current health and status of the EOS (Earth Observing System) Terra Spacecraft. Updates to activities accomplished since the last MOWG (Mission Operations Working Group) and future maneuver plans are included as well.
Terra Spacecraft Status↗
EOS Terra Mission Status Constellation MOWG
Explore the source record for details and available documents.
Terra Spacecraft Status↗
EOS Terra Mission Status Constellation MOWG
Slide presentation regarding the current state of health of the Terra mission, subsystem status, fuel remaining, recent activities and upcoming plans.
Terra Spacecraft Status↗
EOS Terra Mission Status Constellation MOWG
This package presents the current health of the Terra mission, along with recent activities, status on documentation and plans for the recent future.
Terra spacecraft status↗
Mission Status Constellation MOWG: EOS Terra
Presents the current health of the Terra mission, along with recent activities, status on documentation and plans for the recent future.
Terra Spacecraft Status↗
EOS Terra Mission Status Constellation MOWG
This package presents the current health of the Terra mission, along with recent activities, status on documentation and plans for the recent future.
Terra Spacecraft Status↗
EOS Terra Mission Status Constellation MOWG
This package presents the current health of the Terra mission, along with recent activities, status on documentation and plans for the recent future.
Terra Spacecraft Status↗
CPL Applications on the EOS-TERRA Spacecraft
This presentation reviews the use of Capillary Pumped Loops on the EOS-TERRA spacecraft, It starts with a brief review of the status of CPL technology. On the TERRA spacecraft, CPL's will be used for thermal control of 3 instruments. The document reviews the ground testing, and states that life testing will continue to run for three year, even after the launch.The document has schematic diagrams of the EOS-AM spacecraft, the Advanced Spaceborne Thermal Emission and Reflection Radiometer - Thermal-Infrared Radiometer (ASTER-TIR) CPL configuration, the Advanced Spaceborne Thermal Emission and Reflection Radiometer - Short-Wave-Infrared Radiometer (ASTER-SWIR). The use of Measurements of Pollution In The Troposphere (MOPITTS) Capillary Pumped Heat Transport System (CPHTS) is reviewed, and the performance is summarized in several charts. The use of CPHTS in the ASTER-SWIR is reviewed. The loops in the ASTER-TIR module is also reviewed, and the problems with the second loop temperature control is discussed.
Ku, Jentung↗
NASA's EOS Terra Mission Update
NASA launched the Terra spacecraft, first major platform for the Earth Observing System, in December 1999. The platform has five instruments that acquire global data for a wide variety of scientific studies of the Earth's land, oceans, and atmosphere. The Terra mission initiated a process of long-term measurements designed to assess and monitor the health of the Earth. This paper provides an overview of the Terra mission and the status of the spacecraft and instruments during the past year.
Ranson, K. Jon↗
EOS Terra: Mission Status Constellation MOWG
This EOS Terra Mission Status Constellation MOWG will discuss mission summary; spacecraft subsystems summary, recent and planned activities; inclination adjust maneuvers, conjunction history, propellant usage and lifetime estimate; and end of mission plan.
constellation MOWG↗
EOS Terra: Mission Status at Earth Science Constellation MOWG Meeting @ Boulder, CO
This presentation describe the present status and future plans for operating the Terra Spacecraft. Specific details are providing about the constellation exit plan and NASA HQ decision process.
Afternoon Constellation↗
Status of the Terra and Aqua Modis Collection 7 L1B
The MODIS instruments on the Terra and Aqua spacecrafts have successfully operated for more than 23 and 21years, respectively, and have far exceeded their designed lifetimes of 6 years. The visible, near infrared, and short-wave infrared spectral bands, with wavelengths from 0.41 to 2.2 μm, are calibrated using the on-board solar diffuser. Themid-wave infrared and long-wave infrared spectral bands are calibrated using a blackbody. The sustained calibration and characterization efforts undertaken by the MODIS Characterization Support Team (MCST) have resulted in several upgrades to the Level-1B (L1B) algorithms over the mission lifetime. The latest version of the L1B algorithm, designated as Collection 7 (C7), was developed based upon observed performance of the current operational L1B product (C6.1), changing instrument behavior, and feedback from the science community. This paper provides an overview of the C7 algorithm and its improvements over the previous data collection, as well as some of the updates that have been incorporated since the first delivery in early 2021.
Amit Angal↗
MODIS Status
The Moderate Resolution Imaging Spectroradiometer (MODIS) was sent into orbit on the Earth Observing System (EOS) Terra spacecraft in December 1999. The MODIS began taking observations on February 24, 2000. Instrument checkout and characterization progressed to the point in the Fall of 2000 along with the checkout of algorithms so that approximately 40 products for land, ocean and atmosphere studies on global and regional scales were and are now being produced systematically. These products are now designated "beta", products indicating that they are still being examined and validated, but in most cases are amenable to examination by the scientific and applications community to further assess their utility and provide feedback to the validation process and the MODIS Science Team. It is expected that many products will progress to "provisionally useful" or fully "validated" status by mid-year 2001. one goal is to produce a systematically processed data set by the end of 2001 from MODIS extends from November 2000 through October 2001. Overall the MODIS instrument and the associated data processing systems are performing well. The many examples of MODIS observations indicate that the prospect for highly useful and exciting studies of the Earth-atmosphere system using MODIS data looks very good.
Salomonson, Vincent V.↗
Status of Terra and Aqua MODIS Instruments
Currently, two nearly identical MODIS instruments are operating in space: one on the Terra spacecraft launched in December 1999 and another on the Aqua spacecraft launched in May 2002. MODIS has 36 spectral bands with wavelengths covering from visible (VIS) to long-wave infrared (LWIR). Since launch, MODIS observations and data products have contributed significantly to studies of changes in the Earth system of land, oceans, and atmosphere. To maintain its on-orbit calibration and data product quality, MODIS was built with a comprehensive set of on-board calibrators, consisting of a solar diffuser (SD) and a solar diffuser stability monitor (SDSM) for the reflective solar bands (RSB) and an on-board blackbody (BB) for the thermal emissive bands (TEB). Both instruments have demonstrated good performance. The primary Level 1 B (LIB) data products are top of the atmosphere (TOA) reflectance for RSB and radiance for TEB This paper provides an overview of MODIS calibration methodologies, activities, lifetime on-orbit performance and challenging issues for each MODIS, the impact on LIB product quality, and lessons learned for future sensors such as the NPOESS VIIRS.
Xiong, Xiaoxiong↗
ASTER early science outcome and operation status
The Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) is a high spatial resolution multispectral imaging radiometer, and is onboard the NASA's Terra spacecraft launched on December 18, 1999.
ASTER↗