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A planned second generation Athena II launch vehicle will use a Castor 30 third stage which is under currently under development for the Taurus II. [2] [3] The fourth stage is an Orbital Adjustment Module, fueled by hydrazine and propelled by four MR-107 engines, which is used for final insertion. [4] [5]
The Athena comes in two versions, Athena I and Athena II. The Athena I has two stages, the Thiokol Castor-120 first stage and a Pratt & Whitney ORBUS 21D upper stage, both powered by solid propellant. The Athena II has three stages, the Castor-120 first and second stages, and an ORBUS 21D upper stage.
The Athena II, launched January 7, 1998, carried the Lunar Prospector spacecraft which orbited the Moon. On January 27, 1999, the Athena I lifted off with Taiwan's first satellite, ROCSAT-1 , carrying experimental communications, ocean imagery, and ionospheric studies instruments.
Athena I LLV-1 United States: Lockheed Martin: 18.4 m 500 No 1 VAFB: 1995 1995 Athena I United States: Lockheed Martin: 18.9 m 795 [10] 515: No 3 VAFB, CCSFS, KLC: 1997 2001 Athena II United States: Lockheed Martin: 28.2 m 1,800 [11] No 3 [12] VAFB, CCSFS: 1998 1999 [13] Black Arrow United Kingdom: RAE: 13 m 73 [14] No 2 (+2) WRC: 1969 [b] 1971 ...
The first successful launch of an Athena II carried NASA's Lunar Prospector spacecraft on a mission to search for traces of water or ice on the moon. Terra (Atlas IIAS) NASA launched the Earth Observing System's flagship satellite "Terra," named for Earth, in 1999. Terra has been collecting data about the changes in Earth's climate brought on ...
Retired: Athena I, Athena II, Delta IV, Delta IV Heavy Plans cancelled : OmegA , [ 2 ] Space Shuttle , Titan IIIC , Titan IIIM , Titan IV Vandenberg Space Launch Complex 6 ( SLC-6 , pronounced "Slick Six") is a launch pad and associated support infrastructure at Vandenberg Space Force Base in California .
Athena Stavrou. January 20, 2025 at 7:53 AM ... Donald Trump and the late Queen Elizabeth II make a toast during the state banquet at Buckingham Palace in June 2019 (Dominic Lipinski/PA) (PA Archive)
Athena II Vandenberg SLC-6 Lockheed Martin Ikonos 2: Space Imaging Sun-synchronous Earth imaging: In orbit: Operational Final flight of Athena II 25 September 06:29 Ariane 4 44P Kourou ELA-2 Arianespace Telstar 7: Loral Skynet: Geosynchronous Communications: In orbit: Operational 26 September 22:30 Proton-K/DM-2M Baikonur Site 81/23 ...