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


Electron
Success
1 day, 9 hours ago
The Grain Goddess Provides (iQPS Launch 7)
Rocket Lab Launch Complex 1A - Rocket Lab Launch Complex 1, Mahia Peninsula, New Zealand

Synthetic aperture radar Earth observation satellite for Japanese Earth imaging company iQPS.


Falcon 9
Success
2 days, 11 hours ago
BlueBird 11-13 (Block 2 #6-8)
Space Launch Complex 40 - Cape Canaveral SFS, FL, USA

AST SpaceMobile’s Block 2 BlueBird satellites are designed to deliver up to 10 times the bandwidth capacity of the BlueBird Block 1 satellites, requi…


Smart Dragon 3
Success
2 days, 16 hours ago
OSE HS-01 & 02
Haiyang offshore launch location - Haiyang Oriental Spaceport

2 hyper-spectral Earth observation satellites from Chinese company STAR.VISION. Both satellites are built in corporation with foreign customers: *…


Falcon 9
Success
3 days, 1 hour ago
Starlink Group 17-53
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.


Long March 8A
Success
3 days, 10 hours ago
SatNet LEO Group 23
Commercial LC-1 - Wenchang Space Launch Site, People's Republic of China

A batch of 9 Low Earth Orbit communication satellites for the Chinese state owned SatNet constellation operated by the China Satellite Network Group.…


Falcon 9
Success
6 days, 15 hours ago
Starlink Group 17-52
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 week, 1 day ago
NROL-95
Space Launch Complex 40 - Cape Canaveral SFS, FL, USA

Classified payload for the US National Reconnaissance Office.


Long March 6A
Success
1 week, 1 day ago
TJSW-27A & B
Launch Complex 9A - Taiyuan Satellite Launch Center, People's Republic of China

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


Long March 7A
Success
1 week, 2 days ago
Tianlian 3-01
201 - Wenchang Space Launch Site, People's Republic of China

Tianlian is a Chinese data tracking and relay communications geostationary satellite series. The TL-3 (Tian Lian 3) satellites are the 3rd generation…


Falcon 9
Success
1 week, 6 days ago
Starlink Group 17-51
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.