* Astronomy

Blobrana · L

RE: Express AM4

Blobrana · L

The Express AM4 satellite was de-orbited at 10:33 GMT, 25th March, 2012.
The satellite re-entered over the Pacific Ocean, north of Hawai'i, at about 13:32 GMT.

Blobrana · L

Dead Russian Satellite to be Deorbited Next Week

EXPRESS AM4
1 37798U 11045A   12 75.70933907  .00031901  00000-0  25341+0 0  2360
2 37798 051.1441 182.8068 5833753 098.6211 327.8348 03.95735162  8370

Period:       363.96 minutes
Inclination: 51.14°
Apogee:     20359 km
Perigee:     656 km

The Russian government will guide the large Express-AM4 telecommunications satellite, which was launched into a useless orbit in August, into a controlled atmospheric descent starting March 20 so that any surviving pieces will land in the Pacific Ocean, a senior official from Russia's state-owned satellite telecommunications operator said March 15.
Source

Blobrana · L

Russian space agency finds Express-AM4 satellite malfunction cause

Express-AM4 Russian communications satellite was put into the wrong orbit due to the failure of the Proton-M launch vehicle's Briz-M upper stage, Russia's Federal Space Agency said in a statement Tuesday, RIA Novosti reported.
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Blobrana · L

Lost Russian satellite a threat in space

A Russian satellite that was lost in space may pose a threat to other space vehicles or satellites, an official said.
Heavy satellite Express-AM4 was lost Aug 18, Xinhua reported quoting a source from the Russian space industry.
The source told the Interfax news agency that the Express-AM4 "will stay on its orbit for years or even for decades".
Read more

EXPRESS AM4
1 37798U 11045A   11238.59128222  .00000588  00000-0  59709-2 0   175
2 37798 051.1564 279.1724 5801192 024.8899 350.5652 03.97044584   387

Period:       362.67 minutes
Inclination: 51.16°
Apogee:     20240 km
Perigee:     696 km

Blobrana · L

EXPRESS AM4
1 37798U 11045A   11234.13322406 -.00000037  00000-0  10000-3 0   117
2 37798 051.3239 281.4811 5667551 025.1630 003.1958 03.90393645   206

Period:       368.86 minutes
Inclination: 51.32°
Apogee:     20315 km
Perigee:     1003 km

BREEZE-M RB
1 37799U 11045B   11232.54977704 +.00000865 +00000-0 +92093-2 0 00038
2 37799 051.1640 282.0361 5799850 022.6751 355.0588 03.97047553000076

BREEZE-M TANK
1 37800U 11045C   11233.56882610  .00529407  23648-6  73621-3 0    62
2 37800 049.4760 292.2829 4596442 011.6939 356.1428 06.54316012   172

Blobrana · L

EXPRESS AM4
1 37798U 11045A   11230.35133124 -.00000161  21947-6  00000+0 0    37
2 37798 049.4727 295.8544 4616092 008.6412 357.1900 06.50656292    23

Period:       221.28 minutes
Inclination: 49.48°
Apogee:     11338 km
Perigee:     143 km

Blobrana · L

Russia's space agency says contact lost with newly launched telecommunications satellite

Russia lost contact with a communications satellite shortly after its launch Thursday, the government space agency said, the latest in a series of failures that has dogged the nation's space program.
The Express-AM4 satellite, described by officials as Russia's most powerful telecommunications satellite, was launched atop a Proton-M booster rocket from the Russia-leased Baikonur cosmodrome in Kazakhstan.
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Blobrana · L

Successful launch of "Proton-M" with the satellite "Express-AM4"

Blobrana · L

Proton M Rocket