Delta 3910 no. 151 - Delta 3910 no. 151 - COSPAR 1980-014 11,432 bytes. 151 x 433 pixels.

Launches: 24. Failures: 3. Success Rate: 87.50% pct. First Launch Date: 13 December 1975. Last Launch Date: 08 February 1988. Payload: 954 kg. to a: Geosynchronous transfer trajectory. Liftoff Thrust: 310,630 kgf. Total Mass: 185,382 kg. Core Diameter: 2.4 m. Total Length: 35.0 m. Launch Price $: 16.30 million. in 1977 price dollars.

• Stage Number: 0. 9 x Castor 4 Gross Mass: 10,534 kg. Empty Mass: 1,269 kg. Thrust (vac): 41,524 kgf. Isp: 261 sec. Burn time: 54 sec. Isp(sl): 228 sec. Diameter: 1.0 m. Span: 1.0 m. Length: 9.1 m. Propellants: Solid No Engines: 1. TX-526

• Stage Number: 1. 1 x Delta Thor RS27 Gross Mass: 84,368 kg. Empty Mass: 4,360 kg. Thrust (vac): 105,053 kgf. Isp: 296 sec. Burn time: 223 sec. Isp(sl): 262 sec. Diameter: 2.4 m. Span: 2.4 m. Length: 22.4 m. Propellants: Lox/Kerosene No Engines: 1. RS-27

• Stage Number: 2. 1 x Delta P Gross Mass: 5,434 kg. Empty Mass: 820 kg. Thrust (vac): 4,275 kgf. Isp: 301 sec. Burn time: 322 sec. Isp(sl): 0 sec. Diameter: 1.4 m. Span: 1.4 m. Length: 6.0 m. Propellants: N2O4/Aerozine-50 No Engines: 1. TR-201

• 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

• Satcom 1 Spacecraft: AS 1000. Mass: 464 kg.

• RCA Satcom 2 Spacecraft: AS 1000. Payload: Satcom 2. Mass: 463 kg.

• OTS 1 Spacecraft: OTS 1. Mass: 865 kg.

• OTS-2; OTS 2 Spacecraft: OTS. Payload: OTS 2. Mass: 865 kg.

  Orbital Test Satellite; replacement for OTS-A; communications experiments. European Space Agency satellite. Launch time 2259 GMT. Reached definitive position, 10 deg east longitude, on May 24 at 0800 GMT. Launch by US Delta rocket.

• Anik B1 (Telesat 4) Spacecraft: Anik. Payload: Anik B1. Mass: 900 kg.

  Longitude 109.0. Function - telecommunications. Operating entity - Telesat Canada.

• DRIMS Spacecraft: Anik. Payload: DRIMS.

• RCA Satcom 3 Spacecraft: AS 1000. Payload: Satcom 3. Mass: 463 kg.

  Failed before reaching geosynchronous orbit.

• SMM Spacecraft: SMM. Payload: Solar Maximum Mission. Mass: 2,315 kg.

  Solar Maximum Mission; solar observatory; repaired 4/9/84 by STS-41C in orbit. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C).

• GOES 4 Spacecraft: GOES. Payload: GOES D. Mass: 627 kg.

  Space craft engaged in investigation of spaceflight techniques and technology (US Cat A).

• SBS 1 Spacecraft: HS 376. Mass: 550 kg.

  Satellite Business Systems. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C).

• GOES 5 Spacecraft: GOES. Payload: GOES E. Mass: 836 kg.

  Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C).

• Dynamics Explorer 2 Spacecraft: Dynamics Explorer. Payload: DE B.

  Dynamics Explorer 2.

• Dynamics Explorer 1 Spacecraft: Dynamics Explorer. Payload: DE A. Mass: 403 kg.

  Dynamics Explorer 1.

• SBS 2 Spacecraft: HS 376. Mass: 550 kg.

  Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C).

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  Delta 3925 Credit: Boeing. 21,265 bytes. 429 x 556 pixels.

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• RCA Satcom 4; RCA Satcom 3R Spacecraft: AS 3000. Payload: Satcom 3R. Mass: 1,078 kg.

• RCA Satcom 4 Spacecraft: AS 3000. Payload: Satcom 4. Mass: 1,082 kg.

• Westar 4 Spacecraft: HS 376. Mass: 1,072 kg.

  TV, telephone. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C).

• Insat 1A Spacecraft: Insat 1. Mass: 1,152 kg.

  Also carried transponders for domestic communications. Operational multipurpose satellite for telecommunications, meteorological, imaging and data relay, radio and television programme distribution and direct television broadcasting for community reception. Geosynchronous orbit longitude 74 E. A/AC.105/INF.391 was reissued as ST/SG/SER.E/79. Also registered by the United States as 1982-31A in ST/SG/SER.E/67, with category C and orbital parameters 1416.7 min, 35032 x 35783 km x 0.5 deg.

• Westar 5 Spacecraft: HS 376. Mass: 1,072 kg.

  Voice, TV coverage for Alaska, Hawaii, Puerto Rico, Virgin Islands. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C).

• IRAS Spacecraft: IRAS. Payload: IRAS / PIX 2 #. Mass: 1,073 kg.

  All-sky survey of astronomical IR bodies. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B).

• PIX 2 Spacecraft: IRAS. Payload: PIX II.

• GOES 6 Spacecraft: GOES. Payload: GOES F. Mass: 836 kg.

  Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C).

• Exosat Spacecraft: Exosat. Mass: 510 kg.

  X-ray experiments. Launch time 1518 UT. Launching agency ESA. EXOSAT is a space research satellite of the European Space Agency. The scientific objectives of the EXOSAT mission are to measure the position, structural features, spectral and temporal characteristics of cosmic X-ray sources in the energy range from less than 0.1 keV to greater than 50 keV.

• NATO 3D Spacecraft: NATO 3. Mass: 320 kg.

  Stationed at 138 deg W.

• GOES G Spacecraft: GOES. Payload: GOES G.

• GOES 7 Spacecraft: GOES. Payload: GOES H. Mass: 399 kg.

  Stationed at 83 deg W. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C).

• USA 30 Spacecraft: SDI. Payload: Delta 181 Canister Cluster. Mass: 6,000 kg.

  Military tracking exercise; released subsatellites. Spacecraft engaged in research and exploration of the upper atmosphere or outer space (US Cat B).

• Delta 181 Subsatellite 5 Spacecraft: SDI. Payload: Group 1 Test Object.

• SPX Spacecraft: SDI.

• Delta 181 Subsatellite 1 Spacecraft: SDI. Payload: Group 1 Test Object.

• Delta 181 Subsatellite 2 Spacecraft: SDI. Payload: Group 1 Test Object.

• Delta 181 Subsatellite 3 Spacecraft: SDI. Payload: Group 1 Test Object.

• Delta 181 Subsatellite 4 Spacecraft: SDI. Payload: Group 1 Test Object.

• Solid Motor Subsatellite Spacecraft: SDI. Payload: Group 2 Test Object.

• Sensor Cal Reference Subsat Spacecraft: SDI. Payload: Group 1 Cal Object.

• Delta 181 Subsatellite 7 Spacecraft: SDI. Payload: Group 2 Test Object.

• Delta 181 Sensor Module Spacecraft: SDI. Payload: Thrusted Vector Sensor Mo.

• Delta 181 Subsatellite 11 Spacecraft: SDI. Payload: Group 2 Test Object.

• Delta 181 Subsatellite 8 Spacecraft: SDI. Payload: Group 2 Test Object.

• Delta 181 Subsatellite 9 Spacecraft: SDI. Payload: Group 2 Test Object.

• Delta 181 Subsatellite 10 Spacecraft: SDI. Payload: Group 2 Test Object.

• 42 - Isakowitz, Steven J,, International Reference to Space Launch Systems Second Edition, AIAA, Washington DC, 1991.
• 61 - Wilson, Andrew, editor,, Jane's/Interavia Space Directory, Jane's Information Group, Coulsdon, Surrey, 1992 et al.