Intelsat 601

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Intelsat 601
Mission type Communication
Operator Intelsat (1991-2007)
Europe*Star (2007-2011)
COSPAR ID 1991-075A[1]
SATCAT no. 21765[1]
Mission duration 13 years (planned)
20 years (achieved)
Spacecraft properties
Bus HS-389
Manufacturer Hughes[2]
Launch mass 4,330 kilograms (9,550 lb)[2]
Start of mission
Launch date 29 October 1991, 23:08:08 (1991-10-29UTC23:08:08Z) UTC
Rocket Ariane 44L V47[3]
Launch site Kourou ELA-2[3]
End of mission
Disposal Decommissioned
Deactivated October 2011 (2011-11)
Orbital parameters
Reference system Geocentric
Regime Geostationary
Perigee 35,680 kilometres (22,170 mi)[4]
Apogee 35,897 kilometres (22,305 mi)[4]
Inclination 0 degrees[4]
Period 1436.19 minutes[4]
Epoch 4 December 1991[4]

Intelsat 601, previously named Intelsat VI F-1, was a communications satellite operated by Intelsat, and later Europe*Star. Launched in 1991, it was the last of five Intelsat VI satellites to be launched. The Intelsat VI series was constructed by Hughes Aircraft, based on the HS-389 satellite bus.[2]

Intelsat 601 was launched at 23:08:08 UTC on 29 October 1991, atop an Ariane 4 carrier rocket in the 44L configuration, flight number V47.[3] The launch took place from ELA-2 at Kourou,[5] and placed Intelsat 601 into a geosynchronous transfer orbit. The satellite raised itself into its final geostationary orbit using two liquid-fuelled R-4D-12 engines,[2] with the satellite arriving in geostationary orbit on 2 November 1991.

Intelsat 601 operated in geostationary orbit with a perigee of 35,680 kilometres (22,170 mi), an apogee of 35,897 kilometres (22,305 mi), and 0 degrees of inclination.[4] The satellite carried 38 IEEE C band and ten IEEE Ku band transponders, and had a design life of 13 years and a mass of 4,330 kilograms (9,550 lb).[2]

Upon entering service, Intelsat 601 was positioned at 27.5 degrees west. In October 1997, it was moved to 34.5 degrees west, reaching the new slot on 16 October. Between May and July 2002 it was moved to 32.9 degrees east, and between October and November it was again moved, to 64.25 degrees east, where it would remain until October 2006. Its final operations for Intelsat were conducted at 63.5 degrees east, where it arrived in November 2006. In October 2007 it was transferred to Europe*Star, and relocated to 47.5 degrees East, arriving in November. The satellite was retired from service and placed into a graveyard orbit in October 2011.[6]


  1. ^ a b "INTELSAT 6 F-1". US National Space Science Data Center. Retrieved 13 July 2012. 
  2. ^ a b c d e Krebs, Gunter. "Intelsat-6 (601, 602, 603, 604, 605)". Gunter's Space Page. Retrieved 13 July 2012. 
  3. ^ a b c McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 13 July 2012. 
  4. ^ a b c d e f McDowell, Jonathan. "Satellite Catalog". Jonathan's Space Page. Retrieved 13 July 2012. 
  5. ^ McDowell, Jonathan. "Launch List". Launch Vehicle Database. Jonathan's Space Page. Retrieved 13 July 2012. 
  6. ^ "Intelsat 601". The Satellite Encyclopedia. tbs Internet. 3 July 2012. Retrieved 13 July 2012.