Previous Spaceflight Launches
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Proton | US-KMO 4
Khrunichev State Research and Production Space Center | RussiaBaikonur Cosmodrome, Republic of Kazakhstan
April 29, 1998, 4:36 a.m.
Ariane 44P | Nilesat 101 & BSat 1b
Aérospatiale | FranceGuiana Space Centre, French Guiana
April 28, 1998, 10:53 p.m.
Status: Launch Successful
Mission:
With the launch of Nilesat 101 on 28 April 1998, delivering more than 100 digital TV channels as well as radio and multimedia services to more than five million homes over the whole of North Africa from Morocco to the Persian Gulf, Egypt became the first African country to have its own direct TV broadcast satellite. A second satellite, Nilesat 102, was launched in 2000, and the Nilesat system now broadcasts more than 150 digital TV channels and provides additional services such as data transmission, turbo internet and multicasting applications. BSAT-1a and -1b replaced the two BS-3 spacecraft used for DBS services, including Hi-Vision test broadcasts, by NHK, WOWOW, and others. Hughes selected the Ariane rocket as the launch vehicle for the BSAT-1 spacecraft. BSAT-1a was launched 16 April 1997 from the Guiana Space Center in Kourou, French Guiana. BSAT-1b was also launched from Kourou on 28 April 1998. The two satellites are located at 110 degrees East longitude.
Geostationary Orbit
Delta 7420-10C | Globalstar 6, 8, 14, 15
McDonnell Douglas | United States of AmericaCape Canaveral SFS, FL, USA
April 24, 1998, 10:38 p.m.
Status: Launch Successful
Mission:
The Globalstar global mobile communications network offers global, digital real time voice, data and fax via a constellation of 48 minisatellites. The constellation operates in a 1410 km orbit inclined at 52 degrees, and will also have 8 spares. The satellites were built by Space Systems Loral and Alenia Aerospazio in Rome, Italy.
Low Earth Orbit
Space Shuttle Columbia / OV-102 | STS-90
National Aeronautics and Space Administration | United States of AmericaKennedy Space Center, FL, USA
April 17, 1998, 6:19 p.m.
Status: Launch Successful
Mission:
STS-90 was a 1998 Space Shuttle mission flown by the Space Shuttle Columbia. The 16-day mission marked the last flight of the European Space Agency's Spacelab laboratory module, which had first flown on Columbia on STS-9, and was also the last daytime landing for Columbia.
Low Earth OrbitProton-K/17S40 | Iridium 62 to 68
Khrunichev State Research and Production Space Center | RussiaBaikonur Cosmodrome, Republic of Kazakhstan
April 7, 1998, 2:13 a.m.
Status: Launch Successful
Mission:
Iridium provides global mobile telecommunications services using a constellation of 66 low earth orbit satellites in a 86.4° inclined orbit. Although 77 satellites were originally envisioned for the system and spawned the name based on the 77th element in the periodic table, the system has been scaled back. Motorola's Satellite Communications Group designed and manufactured the Iridium satellites with Lockheed Martin providing the LM-700A spacecraft buses.
Low Earth Orbit
Pegasus XL | Transition Region and Coronal Explorer (TRACE)
Orbital Sciences Corporation | United States of AmericaAir launch to orbit
April 2, 1998, 2:42 a.m.
Delta II | Iridium 55 to 60
United Launch Alliance | United States of AmericaVandenberg SFB, CA, USA
March 30, 1998, 6:02 a.m.
Status: Launch Successful
Mission:
Iridium provides global mobile telecommunications services using a constellation of 66 low earth orbit satellites in a 86.4° inclined orbit. Although 77 satellites were originally envisioned for the system and spawned the name based on the 77th element in the periodic table, the system has been scaled back. Motorola's Satellite Communications Group designed and manufactured the Iridium satellites with Lockheed Martin providing the LM-700A spacecraft buses.
Low Earth Orbit
Long March 2C/SD | Iridium 51 & 61
China Aerospace Science and Technology Corporation | ChinaTaiyuan Satellite Launch Center, People's Republic of China
March 25, 1998, 5:01 p.m.
Status: Launch Successful
Mission:
Iridium provides global mobile telecommunications services using a constellation of 66 low earth orbit satellites in a 86.4° inclined orbit. Although 77 satellites were originally envisioned for the system and spawned the name based on the 77th element in the periodic table, the system has been scaled back. Motorola's Satellite Communications Group designed and manufactured the Iridium satellites with Lockheed Martin providing the LM-700A spacecraft buses.
Low Earth Orbit
Ariane 40 | SPOT-4
Aérospatiale | FranceGuiana Space Centre, French Guiana
March 24, 1998, 1:46 a.m.
Atlas II | UHF F/O F8
Lockheed Martin | United States of AmericaCape Canaveral SFS, FL, USA
March 16, 1998, 9:32 p.m.
Status: Launch Successful
Mission:
The U.S. Navy began replacing and upgrading its ultra-high frequency (UHF) satellite communications network during the 1990s with a constellation of customized satellites built by Hughes Space and Communications Company. Known as the UFO (Ultra High Frequency Follow On) series, these HS-601 model satellites support the Navy's global communications network, serving ships at sea and a variety of other U.S. military fixed and mobile terminals.
Geostationary Orbit
