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
436.848 MHz
Mode U AFSK TLM
Type
Transmitter
Downlink Mode
AFSK
Downlink Frequency
437.490 MHz
Baud
1200
PE0SAT - CW Beacon
Type
Transmitter
Downlink Mode
CW
Downlink Frequency
436.849 MHz
Baud
15
Most Recent Observers (last 24h)
Observer Latest Data
GS Nord UHF-JO10kq 2025-07-16 18:09:22 UTC
M0GLU-IO91vc 2025-07-16 18:08:42 UTC
DEX-X-JO20ul 2025-07-16 18:07:59 UTC
UX5UL-KO50ei 2025-07-16 16:30:14 UTC
GAO UHF-JN87hg 2025-07-16 16:30:09 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
2025-07-16 05:02:41 UTC
TLE Set
1 27848U 03031J   25196.90151084  .00000178  00000-0  97649-4 0  9992
2 27848 98.6787 204.6844 0010783 98.5944 261.6457 14.23350324143536
Satellite Suggestion History

Transmitter Suggestion History