Orbital elements:
2012 PB20 Earth MOID = 0.0010 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 164.42522 (2000.0) P Q
n 0.91065198 Peri. 49.97252 -0.97230218 +0.22549764
a 1.0541468 Node 142.94074 -0.23318196 -0.91791965
e 0.0951672 Incl. 5.85498 -0.01595783 -0.32645723
P 1.08 H 24.9...
Orbital elements:
2012 PD20 Earth MOID = 0.0243 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 15.81644 (2000.0) P Q
n 0.39162631 Peri. 191.35892 +0.84796771 +0.52825710
a 1.8502119 Node 136.66182 -0.48120477 +0.80166515
e 0.4408984 Incl. 3.63686 -0.22224476 +0.27978103
P 2.52 H 25.4...
The heaviest individual hailstones of about 1kg were recorded at Gopalganj, Bangladesh on 14 April 1986. However, hail stones of 3.4kg were reported from Hyderabad, India in 1939. The largest hail stone ever was reported from Yuwu, China in 1902. Read more
Russian Fund Invests In Asteroid-Mining Company, Vedomosti Says Russian fund 12BF Global Ventures invested in Planetary Resources Inc., a U.S. company that plans to mine platinum and gold on asteroids, Vedomosti reported, citing managing partner Ilya Golubovich. [url=http://www.bloomber...
The North York Astronomical Association invites you to attend its annual astronomy conference and star party. August 16-19, 2012, Ayton, Canada Read more
Khrunichev Director General Resigns Following Launch Failure Vladimir Nesterov, director general of the Khrunichev State Research and Production Space Center, has resigned following the failure of a Proton rocket to place two communications satellites in their proper orbits last week, Russ...
Title: A nebula in your computer: simulating the physics and chemistry of an HII region Authors: Thomas G. Bisbas In this contribution we discuss about numerical modelling of nebulae. In particular we emphasise on the dynamical evolution of an HII region and the chemical structure of a Photodisso...
The Canon EOS 550D is an 18.0 megapixel digital single-lens reflex camera, announced by Canon on 8 February 2010. It was made available starting 24 February 2010 and to US dealers starting early March. It is known as the EOS Kiss X4 in Japan, and as the EOS Rebel T2i in the Americas. It continued the entr...
The 1906 Valparaíso earthquake was a strong earthquake that hit Valparaíso, Chile, on August 16, 1906 at 19:55 local time. Its epicenter was offshore from the Valparaíso Region, and its intensity was estimated at magnitude 8.2 MW. Read more
50th Anniversary of the Explorer 12 Launch in 1961. Explorer 12 was a spin-stabilized, solar-cell-powered spacecraft instrumented to measure cosmic-ray particles, trapped particles, solar wind protons, and magnetospheric and interplanetary magnetic fields. It was the first of the S 3 serie...
Jonas Ferdinand Gabriel Lippmann (16 August 1845 - 13 July 1921) was a Franco-Luxembourgish physicist and inventor, and Nobel laureate in physics for his method of reproducing colours photographically based on the phenomenon of interference. Read more[video=http://www.youtube.com/watc...
Stuart Allen Roosa (August 16, 1933 - December 12, 1994) was a NASA astronaut, who was the command module pilot for the Apollo 14 mission. The mission lasted from January 31 to February 9, 1971 and was the third mission to land astronauts (Alan Shepard and Edgar Mitchell) on the Moon. Read more
Joseph William Kittinger II (born July 27, 1928) is a former Command Pilot and career military officer in the United States Air Force. He is most famous for his participation in Project Manhigh and Project Excelsior, holding the records for having the highest, fastest and longest skydive and as bei...
