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Events Monitor

The Events Monitor table below can be used to gather information on events that have taken place for a particular mission throughout its lifetime. Each event is associated with a sensor and category, with a provided start and end date of when the event occurred and completed. You can search events using the following dropdown menu below to search by a particular sensor and between a specified time frame.

Page Number 1 of 82

Search Menu

Choose One:

Select Sensor

MODISA
MODIST
VIIRS
MERIS
S3OLCI
VIIRSJ1
PACE Observatory
PACE_SPEXONE
PACE_OCI
PACE_HARP2

Start Date:

End Date:

Select as many Categories and Impact Levels:

Select Category

SEU Command Processor and Formatter Reset
Safe Mode
Broken Sensor
XTX
Bad Host
Fail Safe
Anomaly
Maneuver
Data Collection
SBC Lockup
General
Science Data Processing
Instrument Commissioning
Spacecraft Launch and Commissioning
Science Operations
Spacecraft operations
AWS Cloud

Select Impact

No Impact
Reduced Quality
No Data
Data Delayed

Events per page:

Sensor	Category	Impact	Start Date	End Date	Message
PACE_OCI	Anomaly	No Data	Dec 13 2025	Dec 13 2025	The file OCI000268385.oci failed downlink, was found to be corrupted and was deleted onboard.
PACE_OCI	Anomaly	No Data	Dec 13 2025	Dec 13 2025	The file OCI000268385.oci failed downlink, was found to be corrupted and was deleted onboard.
PACE_OCI	Anomaly	No Data	Dec 11 2025	Dec 11 2025	The OCI file OCI000267767.oci failed downlink. The file was corrupted, and an attempt to re-downlink it caused OCI science ingest to be disabled briefly, from 18:38:18 to 18:42:12.
PACE_OCI	Anomaly	No Data	Dec 11 2025	Dec 11 2025	The OCI file OCI000267767.oci failed downlink. The file was corrupted, and an attempt to re-downlink it caused OCI science ingest to be disabled briefly, from 18:38:18 to 18:42:12.
PACE	Spacecraft operations	No Data	Dec 15 2025	Dec 17 2025	A vulnerability was found in the FSW memory scrub software patch. The patch was backed out by FOT on Dec. 15 with a processor reset at about 22:47 UTC and causing the spacecraft to enter safehold. The spacecraft and instruments were recovered the following day, and science data collection resumed at 01:48 on Dec. 17.
PACE_OCI	Science Operations	No Impact	Jan 3 2026	Jan 3 2026	Deep Space Calibration
PACE_OCI	Science Operations	No Impact	Jan 3 2026	Jan 3 2026	Lunar Calibration
PACE_SPEXONE	Science Operations	No Impact	Jan 3 2026	Jan 3 2026	Deep Space Calibration
PACE_HARP2	Science Operations	No Impact	Jan 3 2026	Jan 3 2026	Lunar Calibration
PACE_OCI	Science Operations	No Impact	Jan 2 2026	Jan 2 2026	Deep Space Calibration

Showing events 1 to 10 out of 816