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MESSENGER
The MESSENGER (Mercury Surface, Space Environment,
Geochemistry and Ranging) mission was launched in August
2004 on a long journey to Mercury. The spacecraft will
complete one flyby of Earth, two of Venus, and three of
Mercury before entering Mercury's orbit in March 2011
for an orbital phase of one Earth year.
Instruments and Archives
| Instrument |
PDS Archives |
| EPPS (Energetic Particle
and Plasma Spectrometer) |
EPPS
Archive
(at the PPI Node) |
GRS (Gamma Ray
Spectrometer) and
NS (Neutron Spectrometer) |
GRS and NS Archives |
| MAG (Magnetometer) |
MAG
Archive
(at the PPI Node) |
MASCS (Mercury Atmospheric
and Surface Composition Spectrometer) includes:
UVVS (Ultraviolet/Visible Spectrometer)
VIRS (Visible/Infrared Spectrograph) |
MASCS
Archive
|
| MDIS (Mercury Dual Imaging
System) |
MDIS
Archive
(at the Imaging Node) |
| MLA (Mercury Laser
Altimeter) |
MLA
Archive |
| Radio Science |
Radio
Science Archive |
| XRS (X-Ray Spectrometer) |
XRS
Archive |
| SPICE (Geometry and Navigation) |
SPICE Archive
at the NAIF Node |
Online Tools
More Information
Release Schedule
The MESSENGER Project releases data at
irregular intervals based on mission events.
Here is the release schedule through the
end of the primary mission.
| Release |
Data Acquisition |
Release to Public |
| 1 |
N/A
(Ground calibration data) |
Not online due to
low demand;
available on request |
| 2 |
Aug. 3, 2004 - Jun. 5, 2007
(Earth and Venus flybys) |
Dec. 15, 2007 |
| 3 |
Jun. 6, 2007 - Jan. 14, 2008
(First Mercury flyby) |
Jul. 15, 2008 |
| 4 |
Jan. 15, 2008 - Oct. 20, 2008
(Second Mercury flyby) |
Apr. 15, 2009 |
| 5 |
Oct. 21, 2008 - Sep. 29, 2009
(Third Mercury flyby) |
Mar. 15, 2010 |
| 6 |
Sep. 30, 2009 - Mar. 18, 2011
(Mercury orbit insertion) |
Sep. 15, 2011 |
| 7 |
Mar. 19, 2011 - Sep. 18, 2011
(Orbit insertion + 6 months) |
Mar. 15, 2012 |
| 8 |
Sep. 19, 2011 - Mar. 18, 2012
(End of orbital operations) |
Sep. 15, 2012 |
| 9 |
Aug. 3, 2004 - Mar. 18, 2012
(Final derived products) |
Mar. 15, 2013 |
|
 What's New
April 15, 2008. Release 4 data are now online,
covering the period through the second Mercury
flyby (October 20, 2008).
July 13, 2008. Release 3 data are now online,
covering the period after the second Venus flyby through the
first Mercury flyby (January 14, 2008).
December 15, 2007. Release 2 (first science data
release) is now online.
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