Official name SNUSAT-1B
Alternative name SNUSAT 1
Cospar ID 1998-067MN
Norad ID 42733
Launch date 1998-11-20
Launch site TTMTR
Launch vehicle Atlas-5(401)
Country/Organization South Korea
Type application Technology, thermospheric research
Operator Seoul National University
RCS size SMALL
Decay date 2019-03-14
Shape Box
Mass (kg) 2
Height (m) 0.2
Width (m) 0.1
Depth (m) 0.2
Span (m^2) 0.2
Lifetime 3 months
Contractors Seoul National University
Equipment FIPEX
Propulsion None
Configuration CubeSat (2U)
Power 2 deployable fixed solar arrays, solar cells, batteries

SNUSAT 1 (Seoul National University Satellite 1), is a South Korean 2U-CubeSat designed by the Seoul National University participating in the QB50 project.

It carries the Flux-Φ-Probe Experiment (FIPEX) as the primary payload for the QB50 project, measuring lower thermosphere constituents at altitudes starting from 350 km and down as the orbit decays due to atmospheric drag. The secondary mission is validation of fault-detection, isolation and recovery algorithm developed by Seoul National Unit and imaging space environment.

The QB50 project, which demonstrates the possibility of launching a network of 50 CubeSats built by Universities Teams all over the world to perform first-class science in the largely unexplored lower thermosphere.

The satellites were launched with the bulk of the QB50 constellation to the ISS in 2017, from where they were deployed on 26 May 2017 and 25 May 2017 respectively, but both do not appear to work.

Satellite COSPAR Date LS Launch Vehicle Remarks
SNUSAT-1 1998-067MG 1998-11-20 TTMTR Atlas-5(401) with Cygnus CRS-7, ALTAIR 1, SUSat, UNSW-EC0, i-INSPIRE 2, ZA-AeroSat, nSIGHT 1, Ex-Alta 1, LilacSat 1, NJUST 1, Aoxiang 1, SOMP 2, QBITO, Aalto 2, X-CubeSat, SpaceCube, DUTHSat, UPSat, Hoopoe, LINK, SNUSAT 1, qbee50-LTU-OC, BeEagleSat, HAVELSAT, Phoenix, PolyITAN-2-SAU, QBUS 1, QBUS 2, QBUS 4, IceCube, CSUNSat 1, CXBN 2, KySat 3, SHARC, Lemur-2 30, ..., 33
SNUSAT-1B 1998-067MN 1998-11-20 TTMTR Atlas-5(401) with Cygnus CRS-7, ALTAIR 1, SUSat, UNSW-EC0, i-INSPIRE 2, ZA-AeroSat, nSIGHT 1, Ex-Alta 1, LilacSat 1, NJUST 1, Aoxiang 1, SOMP 2, QBITO, Aalto 2, X-CubeSat, SpaceCube, DUTHSat, UPSat, Hoopoe, LINK, SNUSAT 1b, qbee50-LTU-OC, BeEagleSat, HAVELSAT, Phoenix, PolyITAN-2-SAU, QBUS 1, QBUS 2, QBUS 4, IceCube, CSUNSat 1, CXBN 2, KySat 3, SHARC, Lemur-2 30, ..., 33