Satellites and space missions - page 24


Phobos-Grunt probe crashed in south Pacific

The Phobos-Grunt re-entry story is finally over. According to Russian news reports a failed probe crashed over the Pacific Ocean. Latest reports indicate that Phobos-Grunt spacecraft fell around 17:45 UTC on January 15 slamming into the atmosphere over a stretch of

January 16, 2012

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Phobos-Grunt reentry - A quick guide for skywatchers

Before you start to use any of satellite tracking applications make sure that the computer clock is correct and the time zone is compatible with your Region. The latest Phobos-Grunt orbit data is here. Below are some important data.USSPACECOM Catalog

January 14, 2012


Phobos-Grunt probe begins entering the Earth's atmosfere

Stranded Phobos-Grunt probe, one of the largest objects to re-enter the atmosphere in decade, begins entering the Earth's atmosphere. It will probably begin its descent on Sunday evening. By the latest estimate Phobos-Grunt could enter the atmosphere over Argentina

January 14, 2012


Note for Solarwatchers: SOHO EIT is in "the keyhole"

We recieve lots of questions from our readers considering SOHO EIT data. SOHO's near-real time images from EIT instruments stop uploading in January 6, however there is nothing wrong with SOHO instruments  because EIT is in a telemetry keyhole. The lack of fresh

January 12, 2012

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Russian space officials estimate that Phobos-Grunt will fall to Earth on Jan. 15

Russian space officials now estimate that Phobos-Grunt will fall to Earth on Jan. 15, though the date could change "due to external factors. The probe will re-enter somewhere between 51 degrees north and 51 degress south latitude; the exact location won't be known

January 09, 2012

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Phobos-Grunt probe reentry scheduled for January 15

The spokesman of Russia's military space forces told Russian news agencies today that stranded Phobos-Grunt could fall to Earth on Jan. 15. About 30 fragments weighing up to 200 kilograms (440 pounds) are expected to fall to Earth. The $165-million Phobos-Grunt

January 05, 2012

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Phobos-Grunt re-entry animation

Phobos-Grunt re-entry is projected to enters Earth atmosphere in early January 2012. Most of the spacecraft and leftover onboard fuel will burn up in the atmosphere, although some pieces may survive reentry, including the Planetary Society’s LIFE experiment. The

January 03, 2012

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Phobos-Grunt reentry scheduled for January 14

Russia’s Phobos-Grunt spacecraft will fall "unofficially" on January 14th, somewhere between 30.7 degrees north and 62.3 degrees east, placing debris near the city of Mirabad, in southwestern Afghanistan. RiaNovosti said this prediction is according to the United

December 28, 2011


Stranded Phobos-Grunt probe to reentry into Earth's atmosphere in mid-January

Russian Mars probe Phobos-Grunt, stranded in Earth orbit since its main engines failed to fire after launch on Nov. 8th, is beginning to sink back into the atmosphere. Analysts expect re-entry to occur sometime in early to mid-January 2012. Until then, it is possible

December 10, 2011

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GOES-15 replaces GOES-11 as the operational GOES-West satellite

For all our readers that use satellite images CIMSS Satellite blog announced today that at 15:46 UTC on 06 December 2011, GOES-15 replaced GOES-11 as the operational GOES-West satellite. GOES-11 (launched in 2000, and operational since 2006) was one of the older

December 06, 2011

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No hope for Phobos-Grunt spacecraft - Reentry in mid-January

The European Space Agency announced on Dec. 2 that it will stop trying to contact the stranded Russian Phobos-Grunt spacecraft, which has been stuck in the wrong orbit for almost a month now. So it looks like it will fall to Earth. Russia's Phobos-Grunt probe launched

December 03, 2011


Still no contact with Phobos-Grunt probe - Are we facing another reentry?!

Last week, ESA's ground station in Perth, Australia added a feedhorn antenna to existing one and succeeded in communicating with Phobos-Grunt on two successive days. But all attempts to renew the contact failed since then. Yesterday station in Perth gave another try

December 01, 2011

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No response from Russian Phobos-Grunt spacecraft

The European Space Agency will once again attempt to call the Russian Phobos-Grunt spacecraft tonight (Nov. 29), after officials received no response yesterday. The probe has been stranded in the wrong orbit since it was launched on November 8.A ground station in

November 30, 2011


Landsat 5 Earth observation satellite in jeopardy

The U.S. Geological Survey (USGS) has stopped acquiring images from the 27-year-old Landsat 5 Earth observation satellite due to a rapidly degrading electronic component.Landsat 5 was launched in 1984 and designed to last 3 years. The USGS assumed operation of

November 29, 2011

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MSL/Curiosity looks like comet while traveling toward Mars

Astronomers at the Sir Thomas Brisbane Planetarium in Australia took incredible time-lapse video . The sequence shows a plume drifting against the background stars, probably caused by venting from the Centaur rocket stage that sent the Mars Science

November 29, 2011


ROSAT's re-entry between Oct. 22nd and 24th over an unknown part of Earth

The ROSAT X-ray observatory, launched in 1990 by NASA and managed for years by the German Aerospace Center (DLR), will return to Earth within the next two weeks. Current best estimates place the re-entry between Oct. 22nd and 24th over an unknown part of

October 15, 2011


Envisat view of Earth pt.1 (Video)

Recently lost ENVISAT still shows no signs of "life". While satellite observing community wait for some news lets take a look at breathtaking imagery of land and oceans by Envisat's optical and radar instruments. The satellite is orbiting 497 miles above the

April 24, 2011