Encyclopedia Astronautica
Delta 2313


American orbital launch vehicle. Three stage vehicle consisting of 3 x Castor 2 + 1 x ELT Thor/RS-27 + 1 x Delta P /TR-201 + 1 x Star 37D

LEO Payload: 500 kg (1,100 lb). Payload: 500 kg (1,100 lb) to a GTO. Failures: 1. First Fail Date: 1974-01-19. Last Fail Date: 1974-01-19.

Status: Retired 1977.
Gross mass: 131,000 kg (288,000 lb).
Payload: 500 kg (1,100 lb).
Height: 35.00 m (114.00 ft).
Diameter: 2.44 m (8.00 ft).
Thrust: 1,737.00 kN (390,493 lbf).
Apogee: 40,000 km (24,000 mi).
First Launch: 1974.01.19.
Last Launch: 1977.08.25.
Number: 3 .

More... - Chronology...


Associated Countries
Associated Spacecraft
  • Skynet British military communications satellite. 2 launches, 1974.01.19 (Skynet 2A) and 1974.11.23 (Skynet 2B). More...
  • Sirio Italian communications technology satellite. 2 launches, 1977.08.25 (Sirio 1) and 1982.09.09 (Sirio 2). SIRIO was a spin stabilized geostationary experimental communications satellite with a nominal life of two years. More...

See also
  • Delta The Delta launch vehicle was America's longest-lived, most reliable, and lowest-cost space launch vehicle. Development began in 1955 and it continued in service in the 21st Century despite numerous candidate replacements. More...

Associated Manufacturers and Agencies
  • Douglas American manufacturer of rockets, spacecraft, and rocket engines. Boeing Huntington Beach, Huntington Beach, CA, USA. More...

Associated Programs
Associated Launch Sites
  • Cape Canaveral America's largest launch center, used for all manned launches. Today only six of the 40 launch complexes built here remain in use. Located at or near Cape Canaveral are the Kennedy Space Center on Merritt Island, used by NASA for Saturn V and Space Shuttle launches; Patrick AFB on Cape Canaveral itself, operated the US Department of Defense and handling most other launches; the commercial Spaceport Florida; the air-launched launch vehicle and missile Drop Zone off Mayport, Florida, located at 29.00 N 79.00 W, and an offshore submarine-launched ballistic missile launch area. All of these take advantage of the extensive down-range tracking facilities that once extended from the Cape, through the Caribbean, South Atlantic, and to South Africa and the Indian Ocean. More...
  • Cape Canaveral LC17B Delta launch complex. Part of a dual launch pad complex built for the Thor ballistic missile program in 1956. Upgraded over the decades for use with Thor, Delta, Delta II, and Delta III launch vehicles, it remained in use for over half a century. More...

Associated Stages
  • Castor 2 Solid propellant rocket stage. Loaded/empty mass 4,424/695 kg. Thrust 258.92 kN. Vacuum specific impulse 262 seconds. More...
  • Delta P N2O4/Aerozine-50 propellant rocket stage. Loaded/empty mass 5,434/820 kg. Thrust 41.92 kN. Vacuum specific impulse 301 seconds. More...
  • Delta Thor ELT Lox/Kerosene propellant rocket stage. Loaded/empty mass 84,067/4,059 kg. Thrust 1,030.21 kN. Vacuum specific impulse 296 seconds. More...
  • Star 37D Solid rocket stage. 45.00 kN (10,116 lbf) thrust. Mass 718 kg (1,583 lb). More...

Delta 2313 Chronology


1974 January 19 - . 01:38 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17B. LV Family: Delta. Launch Vehicle: Delta 2313. LV Configuration: Delta 2313 587/D100. FAILURE: Partial Failure. Failed to reach planned orbit.. Failed Stage: 2.
  • Skynet 2A - . Mass: 129 kg (284 lb). Nation: UK. Agency: MoD. Program: Skynet. Class: Communications. Type: Military communications satellite. Spacecraft: Skynet. Decay Date: 1974-01-25 . USAF Sat Cat: 7096 . COSPAR: 1974-002A. Apogee: 1,803 km (1,120 mi). Perigee: 104 km (64 mi). Inclination: 37.5000 deg. Period: 104.10 min. Summary: Partial Failure. Failed to reach planned orbit..

1974 November 23 - . 00:28 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17B. LV Family: Delta. Launch Vehicle: Delta 2313. LV Configuration: Delta 2313 591/D105.
  • Skynet 2B - . Payload: Skynet 2A. Mass: 129 kg (284 lb). Nation: UK. Agency: MoD. Program: Skynet. Class: Communications. Type: Military communications satellite. Spacecraft: Skynet. Completed Operations Date: 1992-01-01 . USAF Sat Cat: 7547 . COSPAR: 1974-094A. Apogee: 35,822 km (22,258 mi). Perigee: 35,782 km (22,233 mi). Inclination: 12.2000 deg. Period: 1,436.90 min. Military communications. Positioned in geosynchronous orbit over the Indian Ocean at 50-55 deg E in 1975-1977; drifting As of 3 September 2001 located at 18.23 deg E drifting at 0.206 deg W per day. As of 2007 Feb 27 located at 54.93E drifting at 0.393E degrees per day.

1977 August 25 - . 23:49 GMT - . Launch Site: Cape Canaveral. Launch Complex: Cape Canaveral LC17B. LV Family: Delta. Launch Vehicle: Delta 2313. LV Configuration: Delta 2313 615/D133.
  • Sirio 1 - . Mass: 220 kg (480 lb). Nation: Italy. Agency: CNR. Class: Technology. Type: Communications technology satellite. Spacecraft: Sirio. Completed Operations Date: 1989-09-28 . USAF Sat Cat: 10294 . COSPAR: 1977-080A. Apogee: 35,869 km (22,287 mi). Perigee: 35,755 km (22,217 mi). Inclination: 9.6000 deg. Period: 1,437.40 min. Experimental commsat. SIRIO (Satellite Italiano Ricerca Industriale Orientata). Launch time 2350:00 GMT. Geographical longitude of geostationary orbit 15 deg W. SIRIO is a spin stabilized geostationary experimental communications satellite. Characteristics of satellite: Weight at launch 398 kg, in orbit 218 kg. Configuration - cylindrical, height 1.981m, diameter 1.433 m, nominal life two years. Positioned in geosynchronous orbit over the Atlantic Ocean at 15 deg W in 1977-1981; over the Atlantic Ocean 25 deg W in 1981-1983; over the Indian Ocean 65 deg E in 1983-1985 As of 4 September 2001 located at 86.65 deg E drifting at 0.265 deg E per day. As of 2007 Mar 11 located at 75.38E drifting at 0.003E degrees per day.

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