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


Kinetica 1
Success
14 hours, 1 minute ago
Chutian-2 01 & 02
Launch Area 130 - Jiuquan Satellite Launch Center, People's Republic of China

2 satellites built by the China Aerospace Science and Industry Corporation (CASIC) for testing operations of Very Low Earth Orbit (VLEO) satellites f…


Long March 11
Success
20 hours, 32 minutes ago
Shiyan 32 01-03
Oriental Spaceport mobile launch ship - Sea Launch

3 Chinese satellites reported to be for "orbital technological testing" purposes. Actual usage not known.


Falcon 9
Success
2 days, 20 hours ago
Starlink Group 11-14
Space Launch Complex 4E - Vandenberg SFB, CA, USA

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


Falcon 9
Success
3 days, 16 hours ago
Starlink Group 6-81
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.


Electron
Success
3 days, 21 hours ago
The Nation God Navigates (iQPS Launch 5)
Rocket Lab Launch Complex 1B - Rocket Lab Launch Complex 1, Mahia Peninsula, New Zealand

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


Ariane 62
Success
4 days, 20 hours ago
Sentinel-1D
Ariane Launch Area 4 - Guiana Space Centre, French Guiana

Sentinel-1D carries an advanced radar technology to provide an all-weather, day-and-night supply of imagery of Earth’s surface as part of the Sentine…


Long March 7A
Success
6 days, 13 hours ago
Yaogan 46
201 - Wenchang Space Launch Site, People's Republic of China

Classified Earth observation satellite officially reported as for "national resources/hydrology/meteorology surveying & disaster management" purposes.


LVM-3 (GSLV Mk III)
Success
1 week ago
CMS-03 (GSAT-7R)
Satish Dhawan Space Centre Second Launch Pad - Satish Dhawan Space Centre, India

Communications Satellite for the Indian Navy, replacing GSAT-7 for secure real-time links between Indian warships, submarines, aircraft, and shore-ba…


Falcon 9
Success
1 week ago
Bandwagon 4 (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
1 week, 1 day ago
Starlink Group 11-23
Space Launch Complex 4E - Vandenberg SFB, CA, USA

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