spacetoday.net: space news from around the webin association with SpaceNews


Yamal-402 enters GEO
Posted: Sat, Dec 15, 2012, 4:35 PM ET (2135 GMT)
A Russian communications satellite launched a week ago but placed in an incorrect orbit has reached geostationary orbit, but at the cost of several years' worth of propellant. A Proton rocket launched the Yamal-402 satellite on December 8, but the final burn of the rocket's Breeze-M upper stage ended four minutes early, leaving the satellite in the wrong transfer orbit. Russian officials said the European-built satellite performed four maneuvers using its own thrusters to raise its orbit to GEO. The extra propellant used in those thruster burns, though, used propellant designed for stationkeeping, and as a result the spacecraft's on-orbit lifetime will be reduced from 15 to 11 years. An investigation into the Breeze M anomaly is underway.
<<previous article   next article>>
news in brief
NASA delays launch of Mars InSight lander
Posted: Thu, Dec 24 6:12 PM ET (2312 GMT)

Falcon 9 launches ORBCOMM satellites and lands first stage
Posted: Thu, Dec 24 6:03 PM ET (2303 GMT)

NASA astronauts complete brief ISS repair spacewalk
Posted: Thu, Dec 24 5:55 PM ET (2255 GMT)

news links
Thursday, February 11
ISAS, JAXA to reveal the secrets of the universe with ASTRO-H
SpaceFlight Insider — 8:21 pm ET (0121 GMT)
Gravitational waves found emanating from merging black holes
Astronomy Now — 8:19 pm ET (0119 GMT)


about spacetoday.net   ·   info@spacetoday.net   ·   mailing list