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Saturday20 December 20031:12pm MST2003-12-20 UTC 2012
Today's news about Asteroids, Comets & Meteors
Page status: done
  • News briefs – more reading about the Spitzer Space Telescope
  • Risk monitoring – NEODyS has posted 2003 YT1 & JPL has eliminated 2003 YP1
News briefs

Spitzer Space Telescope:  Just to be complete, here are some more news items about the first images from, and naming of, the Spitzer Space Telescope (SST):

  • Science News 20 December article, "Cool Cosmos: Orbiting telescope views infrared universe"
  • Sky & Telescope 19 December article, "Seeing the Universe Again for the First Time," plus "Spitzer's Future Legacies"
  • Reuters 19 December wire story, "New Infrared Telescope Lifts Universe's Dusty Veil"
  • Wired News 19 December article, "Heat Telescope Shows Cool Sights"
  • Harvard-Smithsonian Center for Astrophysics 18 December news release, "First Spectacular Images From SAO's IRAC Camera on Spitzer Space Telescope"
  • University of Arizona 18 December news release, "Infrared Space Telescope Returns First Images, Gets New Name"

See also A/CC's Major News report and some additional news links


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Risk monitoring 20 Dec.

The Saturday Daily Orbit Update MPEC (DOU) carries observations of 2003 YP1 from LINEAR in New Mexico yesterday morning. Today JPL eliminated its impact solutions for this object, while NEODyS has one low-rated remaining solution.

The DOU also reports positions for 2003 XM from Powell Observatory from early yesterday in Kansas. Both risk monitors today slightly lowered their ratings for this half-kilometer object.

NEODyS has posted 2003 YT1, a mile-wide (1.7 km.) object discovered by the Catalina Sky Survey (CSS) Thursday morning in Arizona and announced yesterday in MPEC 2003-Y30. Today's DOU reports observations of YT1 spanning a 1.3-hour period yesterday morning.

Summary Risk Table - sources checked at 1952 UTC, 20 Dec

Object

Assessment

Years

VI
PS
cum
PS
max
T
S
Arc 
days
 2003 YT1 NEODyS 12/202052-208033-3.38-4.3401.085
 2003 YP1JPL 12/20R E M O V E D
 NEODyS 12/202073-20731-6.38-6.3801.170
 2003 XM NEODyS 12/202059-20591-3.94-3.94015.970
JPL 12/202059-20591-4.14-4.14015.970
VI = count of "virtual impactors" (impact solutions)
See A/CC's Consolidated Risk Tables for more and maybe
  newer details, and check the monitors' links for latest info.
Note that only objects recently in view are shown here.

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