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Delta 7426-9.5

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Status: Active. First Launch: 1999-02-07. Last Launch: 1999-02-07. Number: 1 . Thrust: 3,020.00 kN (678,920 lbf). Gross mass: 170,000 kg (370,000 lb). Height: 39.00 m (127.00 ft). Diameter: 2.44 m (8.00 ft). Apogee: 400,000 km (240,000 mi).

• Stardust - . Payload: Discovery 4. Mass: 370 kg (810 lb). Nation: USA. Agency: JPL. Manufacturer: Martin. Program: Discovery series. Class: Comet. Type: Comet probe. Spacecraft: Stardust. USAF Sat Cat: 25618 . COSPAR: 1999-003A.

  Stardust was to fly within 100 km of comet 81P/Wild-2 in January 2004 and recover cometary material using an aerogel substance. A return capsule would land on a lake bed in Utah in January 2006, returning the material to earth. The launch went as planned. The second stage ignited at 21:08 GMT and its first burn put the vehicle into a 185 km x 185 km x 28 degree parking orbit at 21:14 GMT. The second stage second burn at 21:25 changed the orbit to planned values of 178 km x 7184 km x 28.5 degrees. The Star 37FM solid third stage ignited at 21:29 GMT and placed the spacecraft into a 2 year period solar orbit. The spacecraft separated at 21:31 GMT. Meanwhile, the Delta 266 second stage burned a third time on its own, until its propellants were depleted, entering a final orbit of 294 km x 6818 km x 22.5 degrees. The Stardust probe flew past Earth at a distance of 3706 km at 1115 GMT on January 15, 2001, and flew near the Moon at a distance of 98000 km at around 0200 GMT on January 16. The gravity assist flyby changed Stardust's heliocentric orbit from 0.956 x 2.216 AU x 0.0 deg to 0.983 x 2.285 AU x 3.7 deg.