Date: Thu, 15 Mar 2001 08:15:49 -0800
From: "E. Eilene Theilig" <etheilig@mail1.jpl.nasa.gov>
Subject: Galileo Mission Extension Approval
To: gll-inv@donatello.jpl.nasa.gov
Cc: phertz1@hq.nasa.gov, dbogan@hq.nasa.gov, Torrence.V.Johnson@jpl.nasa.gov,
 James.K.Erickson@jpl.nasa.gov, Eilene.Theilig@jpl.nasa.gov,
 Duane.Bindschadler@jpl.nasa.gov
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Dear Colleagues:

I am pleased to inform you of NASA Headquarters' decision concerning the
final Galileo mission extension.  The approved plan is intermediate between
the two options presented to the Comparative Planetary Review in July 2000
and consists of:
Full science participation (remote sensing, fields and particles, and radio
science) at C30, I31, and I32.
Fields and particles and gravity experiments only at I33 and A34.
End of mission operations in January 2003.
Passive monitoring through impact into Jupiter in September 2003.

This mission plan affords us the opportunity to make remote sensing
observations of the polar regions of Io, to measure that moon's magnetic
field to distinguish an induced versus an intrinsic field, to sample the
dust particles in the gossamer rings, to characterize the inner
magnetosphere into 2 Rj, and to determine the mass and density of Amalthea.
Development of the C30 encounter sequence begins March 26th.

Thank you for your patience throughout this process and for your support in
keeping in the public eye the unique and exciting science that this mission
is still achieving.  I will be contacting each Principal Investigator and
IDS soon to discuss funding plans to match the approved mission.  Please do
not hesitate to contact me if you have questions or a specific concern
before then.

Sincerely,
Eilene Theilig
***********************************
Eilene Theilig
Project Manager
Galileo Millennium Mission
Jet Propulsion Laboratory
Eilene.Theilig@jpl.nasa.gov

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<fontfamily><param>Times</param>Dear Colleagues:


I am pleased to inform you of NASA Headquarters' decision concerning
the final Galileo mission extension.  The approved plan is intermediate
between the two options presented to the Comparative Planetary Review
in July 2000 and consists of:

Full science participation (remote sensing, fields and particles, and
radio science) at C30, I31, and I32.

Fields and particles and gravity experiments only at I33 and A34.

End of mission operations in January 2003.

Passive monitoring through impact into Jupiter in September 2003.


This mission plan affords us the opportunity to make remote sensing
observations of the polar regions of Io, to measure that moon's
magnetic field to distinguish an induced versus an intrinsic field, to
sample the dust particles in the gossamer rings, to characterize the
inner magnetosphere into 2 Rj, and to determine the mass and density of
Amalthea.  Development of the C30 encounter sequence begins March 26th.
 

Thank you for your patience throughout this process and for your
support in keeping in the public eye the unique and exciting science
that this mission is still achieving.  I will be contacting each
Principal Investigator and IDS soon to discuss funding plans to match
the approved mission.  Please do not hesitate to contact me if you have
questions or a specific concern before then.


Sincerely,

Eilene Theilig</fontfamily>

***********************************

Eilene Theilig

Project Manager 

Galileo Millennium Mission

Jet Propulsion Laboratory

Eilene.Theilig@jpl.nasa.gov

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