CUBESAT XI-IV
Mission information
Name
CUBESAT XI-IV
Alternate Names
CO-57
Satellite ID
KZUI-4275-4790-4963-1514
NORAD ID
27848
Website
https://www.space.t.u-tokyo.ac.jp/
Country of Origin

Japan

Status
Satellite alive
Operational

Satellite is in orbit and operational

Image
CUBESAT XI-IV
Mission timeline
Launch Date
2003-06-30T00:00:00+00:00
Description

Cubesat XI-IV is Japanese 1U Cubesat which is also known as CO-57 or Sai Four. It has a CW beacon using the callsign JQ1YCW.

Mode U CW Beacon
Type
Transmitter
Downlink Mode
CW
Downlink Frequency
436847500
Mode U AFSK TLM
Type
Transmitter
Downlink Mode
AFSK
Downlink Frequency
437490000
Baud
1200
PE0SAT - CW Beacon
Type
Transmitter
Downlink Mode
CW
Downlink Frequency
436848700
Baud
15
Most Recent Observers (last 24h)
Observer Latest Data
GAO UHF-JN87hg 2025-12-16 17:11:54 UTC
PE0SAT-11-JO21mr 2025-12-16 17:09:55 UTC
Drachten-JO33bc 2025-12-16 17:09:55 UTC
PE0SAT-21-JO21mr 2025-12-16 17:09:54 UTC
PE0SAT-31-JO21mr 2025-12-16 17:08:33 UTC
Data Frames Decoded - 30 Days
There is no decoded data for this satellite in the last 30 days.
Decoder: CO-57
Script Name
co57
Decoder Fields
Click here
Orbital Elements
Latest Two-Line Element (TLE)
TLE Source
Space-Track.org
TLE Updated
2025-12-15 23:15:12 UTC
TLE Set
1 27848U 03031J   25349.29774373  .00000342  00000-0  16942-3 0  9995
2 27848 98.6792 355.0277 0009873 23.7561 336.4071 14.23489145165212
Satellite Suggestion History

Transmitter Suggestion History