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Proposal Identification No.:

R1934

Date Received:

2004-Jan-27 01:56:36

Technical Page
Proposal Type: General Category: Observation Category: Total Time Requested: Prop osal Title: ABSTRACT: Regular Planetary Radar Solar System 18.25 Hours

Proposal for Radar Observations of Itokawa

We prop ose delay-Doppler imaging of near-Earth asteroid 25143 Itokawa (1998 SF36), the target of Japan's Hayabusa (formerly MUSES-C) sample-return mission. The goals are to develop an optimally refined physical mo del of the asteroid in preparation for Hayabusa's 2005 encounter, to use radar ranging to assist detection of Yarkovsky nongravitational (thermal-emission) alteration of the asteroid's orbit, and to help to detect and measure "YORP" thermal-emission alteration of the asteroid's spin state.

Name Steven J Ostro

Institution Jet Propulsion Laboratory

E-mail ostro@reason.jpl.nasa.gov

Phone 818-354-3173

Student no

Service Observing Request

Remot e Observing Request

X

None All of the observing run. Part of the observing run. Queue Observing

X

No Maybe Yes

Instrument Setup
S-Band radar Atmospheric Observation Instruments:

Sp ecial Equipment or setup:

none

RFI Considerations Frequency Ranges Planned

1