Saturday19 June 20044:12pm MDT2004-06-19 UTC 2212 back top next  

The Asteroid/Comet Connection's
daily news journal about
asteroids, comets, and meteors


Today's issue status: done
yesterdayJunetomorrowIndex

Cover: Unusual object 2003 EH1 caught at about magnitude 23 among stars of the Southern Triangle just before dawn on 24 December 2003 by Emmanuel Jehin, Malvina Billeres, and Peter Jenniskens with the ESO 3.5m New Technology Telescope (NTT) at La Silla in Chile. This image is cropped from an 8x10-arcminute frame, a five-minute R-band exposure, that is used with permission, credit: E. Jehin, P. Jenniskens, ESO/NTT. For much more about 2003 EH1, its identification with the Quadrantid meteor shower and possibly comet C/1490 Y1, and the NTT observations, see December 8th, 28th, and 30th Leonid MAC news, and IAUC 8252.

News briefs – panel 1/1 Major News for 19 June 2004 back top next  
News briefs

FMOP discoveries:  A Spacewatch object temporarily designated SW40E6 was posted to the MPC NEO Confirmation Page (NEOCP) at June 19.57 UT. It is an FMO Project discovery by Ed Majden of British Columbia acting as a volunteer online reviewer of images from the Spacewatch 0.9m telescope. He is known for meteor trail spectroscopy and for having the only all-sky camera to catch the Washington fireball early this month (see news).

The FMOP object SW40E3 discovered by online volunteer Lawrence Garrett Thursday morning (see news) is a small object (H=23.3) announced today in MPEC 2004-M25 as 2004 MO1. It was confirmed the next morning with the same 0.9m telescope, and this morning by Grasslands and Table Mountain observatories.

Farpoint news:  The Lawrence, Kansas Journal-World has an article from yesterday about the Northeast Kansas Amateur Astronomers League receiving a NASA grant to use the mirror and optics from the old

Clyde Tombaugh Observatory 27" William Pitt Telescope at Kansas University to build the new Clyde Tombaugh Telescope to be installed at Farpoint Observatory for observation of near-Earth objects. The article, which has a sidebar about Tombaugh, tells that the original telescope coincidentally was funded in 1929 for asteroid observation, although it was not used for that purpose, and that its thick main mirror was the first to be made from Pyrex. The Associated Press has a version of this article that appears at news outlets such as the Wichita, Kansas Eagle yesterday. See also A/CC’s May 20th report.

Stardust news:  Expatica has an article from yesterday telling that German researchers working with the Stardust Cometary and Interstellar Dust Analyser (CIDA) mass spectrometer report they have “found evidence of a co-enzyme similar to pyrroloquinoline-quinone (PQQ)” in the tail of comet 81P/Wild 2. A cometary source would explain “where the genetic makeup of PQQ co-enzymes, so necessary for life, came from if the Earth had no life able to produce such a genetic makeup.”

Risk monitoring - panel 1/1 Major News for 19 June 2004 back top next  
Risk monitoring 19 June

The Saturday Daily Orbit Update MPEC (DOU) carries observation of 2004 MC from Naef Observatory in Switzerland Thursday night, from LINEAR in New Mexico yesterday morning, and from Consell Observatory in Spain last night. Today NEODyS posted this small object with low risk ratings, and JPL slightly lowered its risk assessment.

The DOU has observation of 2004 LV3 from Francisquito Observatory in southern California from yesterday morning, and today both risk monitors significantly lowered their risk ratings and impact solution counts for this object.

Summary Risk Table - sources checked at 2159 UTC, 19 Jun

Object

Assessment

Years

VI
PS
cum
PS
max
T
S
Arc 
days
 2004 MCJPL 6/192034-20341-4.91-4.9103.680
 NEODyS 6/192034-20341-5.58-5.5803.680
 2004 LV3JPL 6/192012-20945-4.19-4.2506.040
 NEODyS 6/192012-20718-4.38-4.3906.040
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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