Watch the Launch

Additional Media

NROL-129

Circle Image

Overview

Destination: Low Earth Orbit
Mission: Government/Top Secret

Low Earth Orbit Launch Area 0 B Wallops Flight Facility, Virginia, USA Probability: 95%

Classified payload for the U.S. National Reconnaissance Office.

Minotaur IV

Family:
Configuration:

The Minotaur IV launch system is derived from the Peacekeeper ICBM. The first three stages are taken directly from decommissioned Peacekeeper missiles. A fourth stage, the Orion-38, is taken from the Pegasus family of air-launched rockets.

Specifications
  • Stages
    4
  • Length
    23.9 m
  • Diameter
    2.35 m
  • Fairing Diameter
  • Launch Mass
    86.0 T
  • Thrust
    2200.0 kN
Family
  • Name
    Minotaur IV
  • Family
  • Variant
  • Alias
    Peacekeeper SLV
  • Full Name
    Minotaur IV
Payload Capacity
  • Launch Cost
  • Low Earth Orbit
    1735.0 kg
  • Geostationary Transfer Orbit
  • Direct Geostationary
  • Sun-Synchronous Capacity

Orbital ATK

Orbital ATK

(OA)

President: David W. Thompson Founded: 2015 Successes: 6 Failures: 0 Pending: 0

Agency Type:

Orbital ATK Inc. was an American aerospace manufacturer and defense industry company. It was formed in 2015 from the merger of Orbital Sciences Corporation and parts of Alliant Techsystems. Orbital ATK was purchased by Northrop Grumman in 2018.

INFO WIKI

Related News

Spaceflight Now

Photos: Minotaur rocket vaults into orbit from Virginia

Spaceflight Now

Minotaur rocket successfully deploys four NRO satellites in orbit

Spaceflight Now

Minotaur rocket ready to launch four payloads for U.S. spy satellite agency

NASA Spaceflight

Northrop Grumman successfully launches NROL-129 from MARS

Spaceflight Now

Photos: Minotaur 4 rocket ready for launch from Virginia

Wallops Flight Facility, Virginia, USA

Launch Area 0 B


Long March 7A
Success
3 hours, 18 minutes ago
TJSW-24
201 - Wenchang Space Launch Site, People's Republic of China

Chinese classified satellite claimed to be for communication technology test purposes. Actual mission not known.


Falcon 9
Success
4 hours, 43 minutes ago
Starlink Group 17-37
Space Launch Complex 4E - Vandenberg SFB, CA, USA

A batch of 24 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.


Falcon 9
Success
1 day, 7 hours ago
Starlink Group 10-47
Space Launch Complex 40 - Cape Canaveral SFS, FL, USA

A batch of 29 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.


Long March 2F/G
Success
2 days, 4 hours ago
Shenzhou 23
Launch Area 91 (SLS-1 / 921) - Jiuquan Satellite Launch Center, People's Republic of China

Shenzhou 23 will be the 23rd flight of the Shenzhou program.


Starship
Success
3 days, 21 hours ago
Flight 12
Orbital Launch Pad 2 - SpaceX Starbase, TX, USA

12th test flight of the two-stage Starship launch vehicle. Maiden Flight of Starship V3. The flight test’s primary goal will be to demonstrate eac…


Electron
Success
4 days, 10 hours ago
Viva La StriX (StriX Launch 9)
Rocket Lab Launch Complex 1B - Rocket Lab Launch Complex 1, Mahia Peninsula, New Zealand

Synthetic aperture radar satellite for Japanese Earth imaging company Synspective.


Falcon 9
Success
5 days, 9 hours ago
Starlink Group 10-31
Space Launch Complex 40 - Cape Canaveral SFS, FL, USA

A batch of 29 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.


Falcon 9
Success
6 days, 16 hours ago
Starlink Group 17-42
Space Launch Complex 4E - Vandenberg SFB, CA, USA

A batch of 24 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.


Vega-C
Success
1 week ago
Solar wind Magnetosphere Ionosphere Link Explorer (SMILE)
Ariane Launch Area 1 (ELV) - Guiana Space Centre, French Guiana

Joint mission between the European Space Agency and the Chinese Academy of Sciences to investigate the interaction between Earth’s protective shield …


Long March 8
Success
1 week, 2 days ago
SpaceSail Polar Group #9
Commercial LC-1 - Wenchang Space Launch Site, People's Republic of China

18 Low Earth Orbit communication satellites with Ku, Q and V band payloads for the G60 constellation operated by Shanghai Spacesail Technologies with…