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Northrop Grumman Pegasus

Pegasus was an air-launched, small-lift launch vehicle developed by Orbital Sciences Corporation and later built and launched by Northrop Grumman. Pegasus was the world's first privately developed orbital launch vehicle. Capable of carrying small payloads of up to 443 kilograms (977 lb) into low Earth orbit, Pegasus first flew in 1990 and last flew…

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Key facts & relationships

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Altitude
200 km (120 mi)
Burn time
75.3 seconds · 68.6 seconds · 75.6 seconds · 69.4 seconds · 68.5 seconds
Comparable
Electron, Vector-H, Falcon 1, LauncherOne
Cost per launch
US$40 million (2017)
Country of origin
United States
Derivative work
Minotaur-C

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Overview

History

Launch profile

Carrier aircraft

Related projects

Launch statistics

  • 1990 1990 in spaceflight
  • 1995 1995 in spaceflight
  • 2000 2000 in spaceflight
  • 2005 2005 in spaceflight
  • 2010 2010 in spaceflight
  • 2015 2015 in spaceflight
  • 2020 2020 in spaceflight
  • 2025 2025 in spaceflight

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Map overview Semantic statistics

Northrop Grumman Pegasus

Nodes94
Edges93
Triples57
Avg. degree1.98
Density0.021277
Components1

How this topic connects Entity context

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Northrop Grumman Pegasus

Top relations

Burn time · 6
Northrop Grumman Pegasus → 131 + 110 seconds (2 burns), 68.5 seconds, 68.6 seconds, 69.4 seconds, 75.3 seconds, 75.6 seconds
Maximum thrust · 6
Northrop Grumman Pegasus → 0.666 kN (150 lbf), 114.6 kN (25,800 lbf), 196 kN (44,171 lbf), 36 kN (8,062 lbf), 500 kN (110,000 lbf), 726 kN (163,247 lbf)
Height · 5
Northrop Grumman Pegasus → 0.3 m (1 ft 0 in), 1.34 m (4 ft 5 in), 10.27 m (33 ft 8 in), 3.11 m (10 ft 2 in), Standard: 16.9 m (55 ft 5 in) XL: 17.6 m (57 ft 9 in): 3
Propellant mass · 4
Northrop Grumman Pegasus → 15,014 kg (33,100 lb), 3,925 kg (8,653 lb), 72 kg (159 lb), 770 kg (1,698 lb)
Specific impulse · 4
Northrop Grumman Pegasus → 230.5 s (2.260 km/s), 281.7 s (2.763 km/s), 283.8 s (2.783 km/s), 284.6 s (2.791 km/s)
Empty mass · 3
Northrop Grumman Pegasus → 1,369 kg (3,018 lb), 126 kg (278 lb), 416 kg (917 lb)
Gross mass · 3
Northrop Grumman Pegasus → 16,383 kg (36,118 lb), 4,341 kg (9,570 lb), 872.3 kg (1,923 lb)
Manufacturer · 3
Northrop Grumman Pegasus → Northrop Grumman (2018–present), Orbital ATK (2015–2018), Orbital Sciences (1990–2015)
Diameter · 2
Northrop Grumman Pegasus → 0.97 m (3 ft 2 in), 1.28 m (4 ft 2 in) Wing span: 6.7 m (22 ft)
Mass · 2
Northrop Grumman Pegasus → 450 kg (990 lb), Standard: 18,500 kg (40,800 lb) XL: 23,130 kg (50,990 lb): 3

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Important terminology

pegasus launch first orbital xl stages vehicle stage aircraft nasa carrier mission launches orion launched rocket flight wing seconds b-52

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Northrop Grumman PegasusAltitude200 km (120 mi)1.00infobox
Northrop Grumman PegasusBurn time75.3 seconds1.00infobox
Northrop Grumman PegasusBurn time68.6 seconds1.00infobox
Northrop Grumman PegasusBurn time75.6 seconds1.00infobox
Northrop Grumman PegasusBurn time69.4 seconds1.00infobox
Northrop Grumman PegasusBurn time68.5 seconds1.00infobox
Northrop Grumman PegasusBurn time131 + 110 seconds (2 burns)1.00infobox
Northrop Grumman PegasusComparableElectron, Vector-H, Falcon 1, LauncherOne1.00infobox
Northrop Grumman PegasusCost per launchUS$40 million (2017)1.00infobox
Northrop Grumman PegasusCountry of originUnited States1.00infobox
Northrop Grumman PegasusDerivative workMinotaur-C1.00infobox
Northrop Grumman PegasusDiameter1.28 m (4 ft 2 in) Wing span: 6.7 m (22 ft)1.00infobox
Northrop Grumman PegasusDiameter0.97 m (3 ft 2 in)1.00infobox
Northrop Grumman PegasusEmpty mass1,369 kg (3,018 lb)1.00infobox
Northrop Grumman PegasusEmpty mass416 kg (917 lb)1.00infobox
Northrop Grumman PegasusEmpty mass126 kg (278 lb)1.00infobox
Northrop Grumman PegasusFailure31.00infobox
Northrop Grumman PegasusFirst flightApril 5, 1990 (Pegsat / NavySat)1.00infobox
Northrop Grumman PegasusFunctionSmall-lift launch vehicle1.00infobox
Northrop Grumman PegasusGross mass16,383 kg (36,118 lb)1.00infobox
Northrop Grumman PegasusGross mass4,341 kg (9,570 lb)1.00infobox
Northrop Grumman PegasusGross mass872.3 kg (1,923 lb)1.00infobox
Northrop Grumman PegasusHeightStandard: 16.9 m (55 ft 5 in) XL: 17.6 m (57 ft 9 in): 31.00infobox
Northrop Grumman PegasusHeight10.27 m (33 ft 8 in)1.00infobox
Northrop Grumman PegasusHeight3.11 m (10 ft 2 in)1.00infobox
Northrop Grumman PegasusHeight1.34 m (4 ft 5 in)1.00infobox
Northrop Grumman PegasusHeight0.3 m (1 ft 0 in)1.00infobox
Northrop Grumman PegasusLast flightJuly 3, 2026 (Swift rescue mission (LINK))1.00infobox
Northrop Grumman PegasusLaunch sitesAir launch to orbit from Cape Canaveral, Edwards, Gando, Kennedy, Kwajalein, Vandenberg or Wallops1.00infobox
Northrop Grumman PegasusManufacturerOrbital Sciences (1990–2015)1.00infobox

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