Delta J no. 57 - Delta J no. 57 - COSPAR 1968-055 18,075 bytes. 135 x 422 pixels.

Launches: 1. Failures: 0. Success Rate: 100.00% pct. First Launch Date: 04 July 1968. Last Launch Date: 04 July 1968. Payload: 263 kg. to a: Geosynchronous transfer trajectory. Liftoff Thrust: 148,150 kgf. Total Mass: 69,497 kg. Core Diameter: 2.4 m. Total Length: 31.0 m. Flyaway Unit Cost $: 16.66 million. in 1985 unit dollars.

• Stage Number: 0. 3 x Castor 2 Gross Mass: 4,424 kg. Empty Mass: 695 kg. Thrust (vac): 26,402 kgf. Isp: 262 sec. Burn time: 37 sec. Isp(sl): 232 sec. Diameter: 0.8 m. Span: 0.8 m. Length: 6.0 m. Propellants: Solid No Engines: 1. TX-354-3

• Stage Number: 1. 1 x Delta Thor TA Gross Mass: 49,442 kg. Empty Mass: 3,175 kg. Thrust (vac): 88,380 kgf. Isp: 290 sec. Burn time: 150 sec. Isp(sl): 256 sec. Diameter: 2.4 m. Span: 2.4 m. Length: 18.4 m. Propellants: Lox/Kerosene No Engines: 1. MB-3-3

• Stage Number: 2. 1 x Delta E Gross Mass: 6,009 kg. Empty Mass: 785 kg. Thrust (vac): 3,579 kgf. Isp: 278 sec. Burn time: 400 sec. Isp(sl): 0 sec. Diameter: 1.4 m. Span: 1.4 m. Length: 6.3 m. Propellants: Nitric acid/UDMH No Engines: 1. AJ10-118E

• Stage Number: 3. 1 x Burner 2 Gross Mass: 774 kg. Empty Mass: 116 kg. Thrust (vac): 4,441 kgf. Isp: 285 sec. Burn time: 42 sec. Isp(sl): 220 sec. Diameter: 0.7 m. Span: 0.7 m. Length: 0.8 m. Propellants: Solid No Engines: 1. Star 37

• Explorer 38 Spacecraft: RAE. Payload: RAE A. Mass: 190 kg.

  Radio Astronomy Explorer; Earth, solar, cosmic radio emission data. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B).

• 34 - Gatland, Kenneth, Missiles and Rockets, Macmillan, New York, 1975.
• 140 - Wilson, Andrew, Spaceflight, "Delta Digest", 1979, Volume 10, page 413.