Flight 3

Overview

Destination: Sun-Synchronous Orbit
Mission: Test Flight

Sun-Synchronous Orbit Space One Launch Pad Spaceport Kii, Japan

Third flight of the KAIROS launch vehicle. 4 satellites will be on board: * TATARA-1R * SC-Sat1a * HErO * AETS-1

Updates

Cosmic_Penguin • Dec. 15, 2025, 6:22 a.m.

Added tentative launch window.


Cosmic_Penguin • Dec. 10, 2025, 1:16 p.m.

Added launch.


KAIROS

Family:
Configuration:

4-stage all solid fuel small satellite launch vehicle from the Japanese company Space One, founded in 2018 by Canon Electronics, IHI Aerospace, construction company Shimizu and the government-backed Development Bank of Japan.

See Details
Specifications
  • Stages
    4
  • Length
    18.0 m
  • Diameter
    1.35 m
  • Fairing Diameter
    1.5 m
  • Launch Mass
  • Thrust
Family
  • Name
    KAIROS
  • Family
  • Variant
  • Alias
  • Full Name
    Kii-based Advanced & Instant ROcket System
Payload Capacity
  • Launch Cost
    $9000000
  • Low Earth Orbit
    250.0 kg
  • Geostationary Transfer Orbit
  • Direct Geostationary
  • Sun-Synchronous Capacity
    150.0 kg

Space One

Space One

(Space One)

Founded: 2018 Successes: 0 Failures: 2 Pending: 1

Agency Type:

Space One is a private launch service provider founded in 2018 by Canon Electronics, IHI Aerospace, construction company Shimizu and the government-backed Development Bank of Japan. Their KAIROS launch vehicle is planned for use to launch small satellites

INFO

Spaceport Kii, Japan

Space One Launch Pad


Falcon 9
Success
5 days, 12 hours ago
NROL-105
Space Launch Complex 4E - Vandenberg SFB, CA, USA

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


Ceres-2
Failure
5 days, 13 hours ago
Demo Flight
Launch Area 95A - Jiuquan Satellite Launch Center, People's Republic of China

First test launch of Galactic Energy’s Ceres-2 rocket.


Long March 3B/E
Failure
6 days ago
Shijian 32
Launch Complex 2 (LC-2) - Xichang Satellite Launch Center, People's Republic of China

Chinese experimental spacecraft of unknown purposes.


Ceres-1S
Success
6 days, 20 hours ago
Tianqi 37-40
Rizhao offshore launch location - Haiyang Oriental Spaceport

4 small satellites for LEO Internet of Things (IoT) communication purposes.


Long March 2C
Success
1 week ago
AlSat 3A
Launch Area 94 (SLS-2 / 603) - Jiuquan Satellite Launch Center, People's Republic of China

Earth observation satellite built by China's CAST for the Algerian Space Agency.


Falcon 9
Success
1 week ago
Starlink Group 6-98
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 8A
Success
1 week, 2 days ago
SatNet LEO Group 18
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.…


Long March 6A
Success
1 week, 2 days ago
Yaogan 50-01
Launch Complex 9A - Taiyuan Satellite Launch Center, People's Republic of China

The Yaogan 50-01 is a Chinese military “remote sensing” satellite of unknown purposes.


Falcon 9
Success
1 week, 2 days ago
Starlink Group 6-97
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.


PSLV-DL
Failure
1 week, 3 days ago
EOS-N1 and others
Satish Dhawan Space Centre First Launch Pad - Satish Dhawan Space Centre, India

Small Earth observation satellite from NewSpace India Limited (NSIL) for an "Indian strategic user", details TBD. This launch will also carry 18 o…