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29986
Re: Asteroid Crantor  Dr. Meeus, Looking at the ephemeris it was starting to pass in front of the Milky Way in 2009 and 2010, and it is not easy task doing  doing astrometry in
astrogram3
6:55 AM
#29986
 
29985
Asteroid Crantor The exceptional asteroid (83982) Crantor is a "horseshoe companion" to Uranus. Its orbital evolution has been investigated by C. and R. de la Fuente Marcos
Jean Meeus
12:28 AM
#29985
 
29984
Asteroid (83982) Crantor The exceptional asteroid (83982) Crantor is a "horseshoe companion" to Uranus. Its orbital evolution has been investigated by C. and R. de la Fuente Marcos
Jean Meeus
12:27 AM
#29984
 
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29983
Further comments on "Power Laws" Hi - There are some other points that need to be noted concerning "power laws". To my knowledge, the first "power law" was estimated by Morrison based on data
E.P. Grondine
11:01 AM
#29983
 
29982
Re: How are you? Yes. The quick solution is to block posts from this address. However, the owner of the address should be notified, as it might be a virus on that person's
Alan Harris
10:56 AM
#29982
 
29981
Re: How are you? Is this not the second message from this same individual with a toxic link? ... Dr. Clay Arkansas Sky Observatories http://www.arksky.org/ ASO Petit Jean
P. Clay Sherrod
8:18 AM
#29981
 
29980
Two 'maybe' radar targets on NEOCP Hello all, There are two possible radar target objects now on NEOCP. Details at http://www.projectpluto.com/neocp/neocp.htm I'd normally not mention this
Bill Gray
Apr 20
#29980
 
29978
Re: WARNING: message from theks@aol.com contains virus All, I have deleted that message. As always, be -very- careful about opening any link unless you have good reason to trust it. Clear Skies, Brian D. Warner
Brian Warner
Apr 19
#29978
 
29977
WARNING: message from theks@aol.com contains virus Don't open the link!!! Werner Schroer Australia
Werner Schroer
Apr 19
#29977
 
29975
Re: NASA Completes LADEE Mission with Planned Impact on Moon's Surfa ... It was found back in the 1960's (with Lunar Orbiter) that the Moon's low level gravity field is very lumpy, due to the Lunar Mascons underneath the Mare,
Marshall Eubanks
Apr 19
#29975
 
29974
NASA Completes LADEE Mission with Planned Impact on Moon's Surface ... science operations and was intentionally sent into the lunar surface. The spacecraft's orbit naturally decayed following the mission's final low-altitude
happy_rasta
Apr 19
#29974
 
29973
Murmansk Bolide Another webcam discovery http://rt.com/news/meteorite-murmansk-explosion-space-588/
Marshall Eubanks
Apr 19
#29973
 
29972
NASA Innovative Advanced Concept Program Seeks Phase II Proposals April 18, 2014 NASA Innovative Advanced Concept Program Seeks Phase II Proposals NASA's Innovative Advanced Concepts (NIAC) Program is seeking proposals for
Ron Baalke
Apr 18
#29972
 
29971
Small object impact rates; data processing requirements ... Hi Dan - The data comes from various international reconnaissance systems, and is "rock hard". Due to the sources of that data, it is very carefully
E.P. Grondine
Apr 18
#29971
 
29970
NASA Completes LADEE Mission with Planned Impact on Moon's Surface April 18, 2014 NASA Completes LADEE Mission with Planned Impact on Moon's Surface Ground controllers at NASA's Ames Research Center in Moffett Field, Calif.,
Ron Baalke
Apr 18
#29970
 
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29969
Re: MPES "Further Information" Note I must confess to being the "outside user" who pointed out that several objects were classified as "NEO : Desirable between 2014 Apr. 16-May 16." On the
Tony Evans
Apr 17
#29969
 
29968
MPES "Further Information" Note Just an FYI for those planning to use the Minor Planet Center's Ephemeris Service: The MPC has temporarily suspended the use of the "Further Information"
Gerald McKeegan
Apr 17
#29968
 
29967
Re: A "surprising number of asteroid impacts on Earth during the las Response (tweet) back from the B612 Foundation @ 12:21 PM EDT ‏@B612foundation @AsteroidEnergy We'll be sharing the video of the data on 4.22. Peter Brown
Marshall Eubanks
Apr 17
#29967
 
29966
Re: A "surprising number of asteroid impacts on Earth during the las ... That data was re-analyzed and published by Silber, et al. 2009, JGR 114, E08006. It is the data plotted in Fig. 3 of Brown et al. 2013. ... Although I was
Alan Harris
Apr 16
#29966
 
29965
Re: A "surprising number of asteroid impacts on Earth during the las ... Does this outcome go significantly beyond what the Brown group - http://meteor.uwo.ca/research/infrasound/is_publications.html - had already published five
skyweek
Apr 16
#29965
 
29964
Re: A "surprising number of asteroid impacts on Earth during the las ... Yes: Brown, et al., Nature 503, 238-241, 2013. See in particular Fig. 3. ... Yes, when extrapolated beyond their likely range of validity. With apologies
Alan Harris
Apr 16
#29964
 
29963
Re: A "surprising number of asteroid impacts on Earth during the las ... My response is more or less the same as always : They need to submit this research for publication so that it can be evaluated by the scientific
Marshall Eubanks
Apr 16
#29963
 
29962
Re: Off-Topic : subscription to CBET/IAUC ... Incorrect; CBET 3853 was issued on April 12.
Dave Tholen
Apr 16
#29962
 
29961
Re: A "surprising number of asteroid impacts on Earth during the las Sirs, First thing is it is good that someone is monitoring such impacts even if it is by using a technology that was developed to look for either clandestine
Robert Warren
Apr 16
#29961
 
29960
Re: A "surprising number of asteroid impacts on Earth during the las Tom Jones was an planetary astronomer before he became an astronaut (he studied the composition of asteroids) Larry.
llebofsky
Apr 16
#29960
 
29959
Re: A "surprising number of asteroid impacts on Earth during the las I was thinking the same. The presser is remarkable by the names not listed; Morrison, Harris, Yeoman, Chodas, Spahr, Kring, Britt, et al. Luis From:
Luis Martinez
Apr 16
#29959
 
29958
Re: Off-Topic : subscription to CBET/IAUC ... I was told that the CBAT is now a Harvard function (and so that is presumably a Harvard salary) and that complaints should be directed at Harvard. Regards
Marshall Eubanks
Apr 16
#29958
 
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29957
A "surprising number of asteroid impacts on Earth during the last de The press release https://b612foundation.org/news/b612-press-conference-on-protecting-earth-from-asteroid-impacts/ about a press conference next week has
skyweek
Apr 16
#29957
 
29956
Re: Off-Topic : subscription to CBET/IAUC I honestly do not think that folks are wanting "so much" out of the Central Bureau. I hear no one demanding perfect excellence here. What I am hearing, and
P. Clay Sherrod
Apr 16
#29956
 
29955
Re: Off-Topic : subscription to CBET/IAUC ... Marsden was a civil servant. His considerable salary was paid not through subscriptions to the Minor Planet Circulars or the Central Bureau's Telegrams,
Dave Tholen
Apr 16
#29955
 
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