Gorizont 33
Gorizont 33
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| Mission type | Communication |
|---|---|
| Operator | Kosmicheskiya Svyaz |
| COSPAR ID | 2000-029A |
| SATCAT no. | 26372 |
| Mission duration | Planned: 3 years Achieved: 8 years |
| Spacecraft properties | |
| Bus | KAUR-3 |
| Manufacturer | NPO-PM |
| Launch mass | 2,300 kilograms (5,100 lb) |
| Start of mission | |
| Launch date | 6 June 2000 (2000-06-06) |
| Rocket | Proton-K/Briz-M |
| Launch site | Baikonur 81/24 |
| Contractor | Khrunichev |
| Orbital parameters | |
| Reference system | Geocentric |
| Regime | Geostationary |
| Longitude | 145° East |
Gorizont 33 (Russian: Горизонт 33 meaning "Horizon 33"), also known as Gorizont 45L was a Russian communications satellite operated by Kosmicheskiya Svyaz. It was the last satellite to be launched as part of the Gorizont constellation. Constructed by NPO Prikladnoi Mekhaniki, it was based on the KAUR-3 satellite bus. Its launch was contracted by Khrunichev, using a Proton-K/Briz-M carrier rocket. The launch occurred at 02:59 GMT on 6 June 2000 from Site 81/24 at the Baikonur Cosmodrome.
This was the first successful launch of a Proton with a Briz-M upper stage, and as the previous Proton/Briz-M launch failed during the second stage burn, the first firing of a Briz-M in flight. The Proton itself flew with uprated engines, increasing its payload capacity ahead of the launch of Zvezda a little over a month later. The launch was conducted as a test flight of the Proton, and the satellite would not have been considered a significant loss if it had not reached orbit.
Following its launch and on-orbit testing, it was placed in geosynchronous orbit at 145° East, from where it provides communications services to Russia. It carried seven transponders, and had an expected on-orbit lifespan of three years. Its stabilisation system failed in May 2008, leaving the satellite drifting at a rate of 0.3 degrees West per day, eight years after it had been launched.
References[edit]
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Krebs, Gunter. "Gorizont 1 - 33 (11F662) / Tongastar 1 / Rimsat 1, 2 / PASI 1 / AsiaSat G / LMI-AP 1, 2". Gunter's Space Page. Retrieved 2009-05-03..mw-parser-output cite.citationfont-style:inherit.mw-parser-output qquotes:"""""""'""'".mw-parser-output code.cs1-codecolor:inherit;background:inherit;border:inherit;padding:inherit.mw-parser-output .cs1-lock-free abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .cs1-lock-limited a,.mw-parser-output .cs1-lock-registration abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .cs1-lock-subscription abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registrationcolor:#555.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration spanborder-bottom:1px dotted;cursor:help.mw-parser-output .cs1-hidden-errordisplay:none;font-size:100%.mw-parser-output .cs1-visible-errorfont-size:100%.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-formatfont-size:95%.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-leftpadding-left:0.2em.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-rightpadding-right:0.2em
McDowell, Jonathan (2000-06-10). "Issue 428". Jonathan's Space Report. Retrieved 2009-05-03.
"Gorizont 33". Geostationary Satellites. Sat-ND. Retrieved 2009-05-03.
"Gorizont 33". TSE. Retrieved 2009-05-03.
Wade, Mark. "Gorizont". Encyclopedia Astronautica. Archived from the original on 2008-06-17. Retrieved 2009-05-03.
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Categories:
- Communications satellites in geostationary orbit
- Gorizont satellites
- Communications satellite stubs
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