Watch the Launch

Additional Media

Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube.

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


Falcon 9
Success
20 hours, 18 minutes ago
Starlink Group 6-74
Space Launch Complex 40 - Cape Canaveral SFS, FL, USA

A batch of 28 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.


Long March 2
Success
1 day, 12 hours ago
Shenzhou 20
Launch Area 4 (SLS-1 / 921) - Jiuquan Satellite Launch Center, People's Republic of China

Ninth crewed flight to the Chinese space station.


Falcon 9
Success
3 days, 21 hours ago
Bandwagon 3 (Dedicated Mid-Inclination Rideshare)
Space Launch Complex 40 - Cape Canaveral SFS, FL, USA

Dedicated rideshare flight to a mid-inclination orbit with dozens of small microsatellites and nanosatellites for commercial and government customers.


Falcon 9
Success
4 days, 13 hours ago
Dragon CRS-2 SpX-32
Launch Complex 39A - Kennedy Space Center, FL, USA

32nd commercial resupply services mission to the International Space Station operated by SpaceX. The flight will be conducted under the second Commer…


Falcon 9
Success
5 days, 9 hours ago
NROL-145
Space Launch Complex 4E - Vandenberg SFB, CA, USA

Tenth batch of satellites for a reconnaissance satellite constellation built by SpaceX and Northrop Grumman for the National Reconnaissance Office to…


Long March 6A
Success
6 days, 23 hours ago
Shiyan 27 01-06
Launch Complex 9A - Taiyuan Satellite Launch Center, People's Republic of China

A group of 6 Chinese satellites reported to be for "space environment probing and other related technological testing". Actual usage not known.


Minotaur IV
Success
1 week, 2 days ago
NROL-174
Space Launch Complex 8 - Vandenberg SFB, CA, USA

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


New Shepard
Success
1 week, 4 days ago
NS-31
West Texas Suborbital Launch Site/ Corn Ranch - Corn Ranch, Van Horn, TX, USA

NS-31 is the 11th crewed flight for the New Shepard program and the 31st in its history.


Falcon 9
Success
1 week, 4 days ago
Starlink Group 6-73
Space Launch Complex 40 - Cape Canaveral SFS, FL, USA

A batch of 27 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.


Falcon 9
Success
1 week, 5 days ago
Starlink Group 12-17
Launch Complex 39A - Kennedy Space Center, FL, USA

A batch of 21 satellites for the Starlink mega-constellation - SpaceX's project for space-based Internet communication system.