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Thor Delta M6

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AKA: Delta M6. Status: Retired 1971. First Launch: 1971-03-13. Last Launch: 1971-03-13. Number: 1 . Payload: 450 kg (990 lb). Thrust: 2,411.00 kN (542,014 lbf). Gross mass: 103,700 kg (228,600 lb). Height: 32.40 m (106.20 ft). Diameter: 2.44 m (8.00 ft). Apogee: 400,000 km (240,000 mi).

LEO Payload: 450 kg (990 lb). Payload: 450 kg (990 lb) to a GTO.

Family: orbital launch vehicle. Country: USA. Spacecraft: IMP. Projects: Explorer. Launch Sites: Cape Canaveral, Cape Canaveral LC17A. Stages: Delta Thor LT, Delta E, Castor 2, Star 37. Agency: Douglas.

• Explorer 43 - . Payload: IMP I. Mass: 288 kg (634 lb). Nation: USA. Agency: NASA Greenbelt. Program: Explorer. Class: Earth. Type: Magnetosphere satellite. Spacecraft Bus: IMP. Spacecraft: IMP. Decay Date: 1974-10-02 . USAF Sat Cat: 5043 . COSPAR: 1971-019A. Apogee: 203,130 km (126,210 mi). Perigee: 1,845 km (1,146 mi). Inclination: 31.2000 deg. Period: 5,957.90 min.

  In its first use at Cape Canaveral, a NASA Long Tank Thrust Augmented Thor/ Delta boosted Explorer 43 into orbit. This was the first "Super Six" configuration Thor/Delta, with strap-on solid-rocket boosters motors, to be launched from the Eastern Test Range. Earth magnetosphere research. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B).