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Proposal Identification No.: R2448 Date Received: 2008­Oct­01 23:57:43
Technical Page
Proposal Type: Regular
General Category: Planetary Radar
Observation Category: Solar System
Total Time Requested: 104 Hours
Minimum Useful Time:
Proposal Title: Radar Imaging of Six Near­Earth Asteroids During April­September 2009
ABSTRACT:
We propose to use the Arecibo S­band radar to carry out Doppler­only spectroscopy and delay­Doppler imaging of
six near­Earth asteroids (NEAs) during April­September 2009. Two of these targets, (136617) 1994 CC and 2001
FE90, represent outstanding opportunities with peak signal­to­noise ratios of thousands per transmit/receive cycle.
The other four NEAs, 2008 SV11, (163697) 2003 EF54, 2005 CW25, and 2000 CO101, are weaker but still have the
potential to yield high­resolution 3­D shape models. Given detection statistics to date, it is likely that at least one
target will be a binary or contact binary system. It is also fairly likely that at least one high­polarization­ratio
target will be observed, enabling us to test the recent finding that such objects usually belong to the E or V
taxonomic classes.
Name Institution E­mail Phone Student
Christopher Magri University of Maine
at Farmington
magri@maine.edu 207­778­7369 no
Remote Observing Request
X Observer will travel to AO
Remote Observing
In Absentia (instructions to oper­
ator)
Instrument Setup
S­Band radar S­band receiver
Atmospheric Observation Instruments:
Special Equipment or setup: none
RFI Considerations
1

Frequency Ranges Planned
2380
2