Galaxy 27

Galaxy 27
Spacecraft properties
Names	G-27 Telstar 7 Intelsat Americas 7 IA-7

Mission type	Communications
Operator	Intelsat
COSPAR ID	1999-052A
SATCAT no.	25922
Website	http://www.intelsat.com
Mission duration	12 years (planned) 24 years, 10 months, 9 days (elapsed)


Spacecraft type	Galaxy
Bus	LS-1300
Manufacturer	Space Systems/Loral
Launch mass	3,790 kg (8,360 lb)
Dry mass	1,537 kg (3,389 lb)


Start of mission
Launch date	25 September 1999, 06:29 UTC
Rocket	Ariane 4LP (V121)
Launch site	Centre Spatial Guyanais, ELA-2
Contractor	Arianespace
Entered service	November 1999


End of mission
Disposal	Graveyard orbit


Orbital parameters
Reference system	Geocentric orbit
Regime	Geostationary orbit
Slot	66° West


Transponders
Band	48 transponders: 24 C-band 24 Ku-band
Bandwidth	36 MHz
Coverage area	North America

Intelsat constellation ← Galaxy 26 Galaxy 28 →

Galaxy 27 is a communications satellite owned by Intelsat. It was at first located at 129° West longitude, serving most of the North America market.^[1]^[2] It was built by Space Systems/Loral, as part of its LS-1300 line. Galaxy 27 was formerly known as Intelsat Americas-7 and Telstar-7.

This satellite experienced a power failure of several days in 2004 and returned to service with reduced capacity.^[3]

In May 2011, Galaxy 27 was redeployed to 45.1° East longitude in order to expand Intelsat's services in the Middle East and Western Asia.^[4] In October 2013, Intelsat moved the satellite to an inclined orbit at 66° East.^[5] At its inclined orbit of 2.4° at 66° East, Galaxy 27 is in a collocated orbit with Intelsat 17.

References

[edit]

^ Galaxy-27 Ku-band Beam footprint(s) at SatBeams
^ Galaxy-27 C-band Beam footprint(s) at SatBeams
^ "Galaxy 27". Gunter's Space Page. 11 December 2017. Retrieved 13 April 2021.
^ "Status - Telstar 7". nextspaceflight.com. Retrieved 12 December 2022.
^ "Intelsat 17 66 East Satellite and Digital TV Support forums". satellites.co.uk. 2 October 2013.

v t e Intelsat Corporation
COMSAT Intelsat Americas PanAmSat ITSO STS-49 List of Intelsat satellites
Intelsat I, II, III	Intelsat I Intelsat II F-1 II F-2 II F-3 II F-4 Intelsat III F-1 III F-2 III F-3 III F-4 III F-5 III F-6 III F-7 III F-8
Intelsat IV	Intelsat IV F-1 IV F-2 IV F-3 IV F-4 IV F-5 IV F-6 IV F-7 IV F-8 IVA F-1 IVA F-2 IVA F-3 IVA F-4 IVA F-5 IVA F-6
Intelsat V	Intelsat V F-1 V F-2 V F-3 V F-4 V F-5 V F-6 V F-7 V F-8 V F-9† VA F-10 VA F-11 VA F-12 VA F-13 VA F-14 VA F-15
Intelsat VI	Intelsat 601 602 603 604 605
Intelsat 7-10	Intelsat 701 702 703 704 705 706 707 708 709 801 802 803 804 805 806 901 902 903 904 905 906 907 10-02
ex-PanAmSat	Intelsat 1R 2 3R 4 5 6B 7 8 9 10 11 12
Recent Intelsat	Intelsat 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 (New Dawn) 29e 30 31 32e 33e 34 35e 36 37e 38 39 40e
Galaxy (Intelsat Americas)	Galaxy 3C 4R 5 9 10R 11 12 13 14 15 16 17 18 19 23 25 26 27 28 30 31 32 33 34 35 36 37
Other	APR-1 APR-2 Horizons-1 Horizons-2 Horizons-3e Intelsat K Marisat-F2 SBS 6

v t e ← 1998 Orbital launches in 1999 2000 →
January	Mars Polar Lander ROCSAT-1
February	Stardust Globalstar 23, Globalstar 36, Globalstar 38, Globalstar 40 Telstar 6 JCSAT-6 Soyuz TM-29 ARGOS, Ørsted, SUNSAT Arabsat 3A, Skynet 4E Globus No.15
March	Wide Field Infrared Explorer Globalstar 23, Globalstar 37, Globalstar 41, Globalstar 46 AsiaSat 3S DemoSat
April	Progress M-41, Sputnik 99 INSAT-2E USA-142 Eutelsat W3 Globalstar 19, Globalstar 42, Globalstar 44, Globalstar 45 Landsat 7 UoSAT-12 Ikonos-1 ABRIXAS, Megsat-0 USA-143
May	Orion 3 Feng Yun 1C, Shijian 5 TERRIERS, MUBLCOM Nimiq 1 USA-144 Oceansat-1, Kitsat-3, DLR-Tubsat STS-96 (Starshine 1)
June	Globalstar 25, Globalstar 47, Globalstar 49, Globalstar 52 Iridium 14A, Iridium 21A Astra 1H QuikSCAT FUSE
July	Gran' No.45 Molniya 3-50 Globalstar 30, Globalstar 32, Globalstar 35, Globalstar 51 Progress M-42 Okean-O No.1 STS-93 (Chandra) Globalstar 26, Globalstar 28, Globalstar 43, Globalstar 48
August	Telkom 1, Globalstar 24, Globalstar 27, Globalstar 53, Globalstar 54 Kosmos 2365 Kosmos 2366
September	Koreasat 3 Yamal-101, Yamal-102 Foton 12 Globalstar 33, Globalstar 50, Globalstar 55, Globalstar 58 EchoStar V Ikonos 2 Telstar 7 LMI-1 Resurs F-1M
October	USA-145 DirecTV-1R CBERS-1, SACI-1 Globalstar 31, Globalstar 56, Globalstar 57, Globalstar 59 Orion 2 Ekspress A1
November	GE-4 MTSAT-1 Shenzhou 1 Globalstar 29, Globalstar 34, Globalstar 39, Globalstar 61 USA-146
December	Hélios 1B, Clémentine Orbcomm FM30, Orbcomm FM31, Orbcomm FM32, Orbcomm FM33, Orbcomm FM34, Orbcomm FM35, Orbcomm FM36 XMM-Newton † VLS-1 V02 (SACI-2) USA-147 Terra STS-103 Arirang-1, ACRIMSAT, Millennial Galaxy 11 Kosmos 2367 Kosmos 2368
Launches are separated by dots ( • ), payloads by commas ( , ), multiple names for the same satellite by slashes ( / ). Crewed flights are underlined. Launch failures are marked with the † sign. Payloads deployed from other spacecraft are (enclosed in parentheses).

References

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