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Minotaur I

Minotaur I

Minotaur family · built by Orbital Sciences Corporation · maiden flight 2000-01-27

Profile data last updated: 2026-08-29T15:37:07.354998+00:00 | 7531-10-19

The Minotaur I launch system is derived from converted Minuteman II ICBMs and is used to launch small satellites for the US Government. The first and second stages, taken directly from decommissioned Minuteman missiles, are mated to the Orion third and fourth stages taken from the Pegasus XL air-launched rocket family. An optional hydrazine-powered fifth stage called HAPS can be used.The Minotaur I launch system is derived from converted Minuteman II ICBMs and is used to launch small satellites for the US Government. An optional hydrazine-powered fifth stage called HAPS can be used.

Specifications

19.21 mLength
1.67 mDiameter
36 tLaunch mass
4–5Stages
935 kNLiftoff thrust

Payload Capacity

580 kgTo LEO

Lifetime Launch Record

As reported by Launch Library 2 across this rocket's entire history, not just the launches tracked on this site.

12Total launches
12Successful
0Failed
0Upcoming

Launches Tracked on This Site

12In our archive
100.0%Success rate
Jan 27, 2000 03:03 UTCEarliest tracked
Jun 15, 2021 13:35 UTCMost recent
MissionDateStatus
Minotaur I | NROL-111 Jun 15, 2021 13:35 UTC Success
Minotaur I | ORS-3 Nov 20, 2013 01:15 UTC Success
Minotaur I | ORS-1 (USA-231) Jun 30, 2011 03:09 UTC Success
Minotaur I | NROL-66 (RPP) (USA-225) Feb 06, 2011 12:26 UTC Success
Minotaur I | Tacsat 3 May 19, 2009 23:55 UTC Success
Minotaur I | NFIRE Apr 24, 2007 06:48 UTC Success
Minotaur I | Tacsat 2 Dec 16, 2006 12:00 UTC Success
Minotaur I | COSMIC 1-6 Apr 15, 2006 01:40 UTC Success
Minotaur I | STP-R1 Sep 23, 2005 02:24 UTC Success
Minotaur I | XSS-11 Apr 11, 2005 13:35 UTC Success
Minotaur I | Sindri Jul 19, 2000 20:09 UTC Success
Minotaur I | JAWSAT & FalconSat 1 Jan 27, 2000 03:03 UTC Success

Wikipedia