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词条 Intelsat 2
释义

  1. References

{{for|the 1960s satellites|Intelsat II}}{{Infobox spaceflight
| name = PAS-2 → Intelsat 2
| image =
| image_caption =
| mission_type = Communications
| operator = PanAmSat (1994-2006)
Intelsat (2006-2011)
| website =
| COSPAR_ID = 1994-040A
| SATCAT = 23175
| mission_duration = 15 years design life
16.5 years achieved
| spacecraft_bus = HS-601
| manufacturer = Hughes
| dry_mass = {{convert|1727|kg}}
| launch_mass = {{convert|2920|kg}}
| power = 4,300 watts
| launch_date = {{start-date|8 July 1994, 23:05:32|timezone=yes}} UTC
| launch_rocket = Ariane 44L H10+
| launch_site = Kourou ELA-2
| launch_contractor = Arianespace
| entered_service =
| disposal_type = Decommissioned
Moved to graveyard orbit
| deactivated = {{end-date|July 2011}}
| orbit_epoch = 8 August 1994[1]
| orbit_reference = Geocentric
| orbit_regime = Geostationary
| orbit_periapsis = {{convert|35633|km|mi}}
| orbit_apoapsis = {{convert|35943|km|mi}}
| orbit_inclination = 0.03 degrees
| orbit_period = 1436.16 minutes
| orbit_longitude = 169° East (1994-2010)
157° East (2010)
174° East (2010-2011)
| apsis = gee
| trans_band = 20 C band
20 Ku band
| trans_frequency =
| trans_bandwidth =
| trans_capacity =
| trans_coverage = Oceania
Pacific Rim
| trans_TWTA =
| trans_EIRP =
| trans_HPBW =
}}Intelsat 2, formerly PAS-2, was a communications satellite operated by Intelsat which spent most of its operational life serving the Pacific Rim market from a longitude of 169° East.[2] Launched in 1994, the satellite was operated by PanAmSat until it merged with Intelsat in 2006. The spacecraft was renamed, along with the rest of PanAmSat's fleet, in February 2007.[3]

Intelsat 2 was constructed by the Hughes Aircraft Corporation, based on the HS-601 satellite bus. It had a mass at launch of {{convert|2920|kg}}, which decreased to around {{convert|1727|kg}} by the time it was operational. Designed for an operational life of 15 years, the spacecraft was equipped with 20 C-band and 20 Ku-band transponders.[3] Its two solar arrays, which had a span of {{convert|26|m}} generated 4,700 watts of power when the spacecraft first entered service, which was expected to drop to around 4300 watts by the end of the vehicle's operational life.[2]

Arianespace launched Intelsat 2, using an Ariane 4 rocket, flight number V65, in the Ariane 44L H10+ configuration. The launch took place from ELA-2 at the Centre Spatial Guyanais at 23:05:32 UTC on 8 July 1994. The satellite was placed into a geosynchronous transfer orbit, from which it raised itself into geostationary orbit by means of an R-4D-11-300 apogee motor.[3]

Intelsat 2 was removed from geostationary orbit in February 2011, being placed into graveyard orbit on 28 February.[4] Manoeuvring into graveyard orbit did not fully deplete the satellite's propellant as had been expected, so engineering operations continued until July 2011 in order to exhaust the remaining supply. The satellite was then decommissioned and powered down.[5]

References

1. ^{{cite web |last=McDowell |first=Jonathan |title=SATCAT |url=http://planet4589.org/space/log/satcat.txt |publisher=Jonathan's Space Pages |accessdate=3 May 2018}}
2. ^{{cite web|url=http://www.tbs-satellite.com/tse/online/sat_panamsat_2.html|title=Panamsat 2|publisher=Tag's Broadcasting Services|work=The Satellite Encyclopedia|accessdate=10 September 2013}}
3. ^{{cite web|url=http://space.skyrocket.de/doc_sdat/pas-2.htm|title=PAS 2, 3, 3R, 4 → Intelsat 2, 3R, 4|first=Gunter|last=Krebs|accessdate=10 September 2013|work=Gunter's Space Page}}
4. ^{{cite letter| first = Susan H| last = Crandall| recipient = Ms. Marlene H. Dortch, Federal Communications Commission| subject = Intelsat 2 De-orbit| date = 25 March 2011| url = http://licensing.fcc.gov/myibfs/download.do?attachment_key=878811| accessdate = 10 September 2013}}
5. ^{{cite letter| first = Susan H| last = Crandall| recipient = Ms. Marlene H. Dortch, Federal Communications Commission| subject = Supplement to Intelsat 2 De-orbit Notice| date = 15 July 2011| url = http://licensing.fcc.gov/myibfs/download.do?attachment_key=906294| accessdate = 10 September 2013}}
{{Portal|Spaceflight}}{{Intelsat}}{{Orbital launches in 1994}}{{coord|0|169|display=title}}{{DEFAULTSORT:Intelsat 02}}

5 : Intelsat satellites|Satellites using the BSS-601 bus|Communications satellites in geostationary orbit|Satellite television|Spacecraft launched in 1994

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