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GPM Core Observatory in Sun Point Mode

On Dec. 1, 2023, at 7:43 p.m. ET (Dec. 2 at 00:43 GMT) the Global Precipitation Measurement Core Observatory (GPM-CO) satellite transitioned to Sun Point Mode (SPM) via onboard fault management response due to excessive attitude errors. Reaction Wheel #5 showed anomalous behavior and was taken out of the control loop during the reconfiguration. It is unclear currently whether this was the cause, or a result, of the attitude error. Subsequently, a solar array pointing error required additional recovery work. This condition has stopped the collection of science data from both the GMI and DPR

Webinar 1: Overview of the Global Precipitation Measurement Mission (GPM)

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Friday, December 1, 2023
February 8, 2024, 8 p.m. ET Overview In the first webinar of our series we will introduce you to the GPM mission and some of the key GPM team members who have been critical to its success. Our current Project Scientist George Huffman will provide an overview of the missions’ science objectives and discuss a few of GPM’s achievements over the past 10 years. Candace Carlisle, who served as GPM’s Deputy Project Manager through launch and check-out, will talk about the engineering behind the GPM mission and share a few of her experiences. Former GPM Project Scientist Scott Braun will explore GPM’s
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10-in-10 Webinar Series

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Thursday, November 9, 2023
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GPM Orbit Raise Burn #2 Complete

The GPM Mission Operations have successfully executed Orbit Raise Burn #2 for the GPM Core Observatory (GPM-CO). The maneuver performance was NOMINAL. Burn Start: 17:22:42 UTC* Burn End: 17:32:32 UTC* Duration: 590 seconds *slightly earlier than the planned time stated yesterday – adjusted to optimize altitude-raise performance and subsequent operational events. This completes the GPM-CO altitude-raising process; subsequent work will focus on returning the data products to regular production with as little difference from pre-boost behavior as possible. Note that DPR data will be held pending
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