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
Drachten-JO33bc 2026-01-08 16:48:19 UTC
GS ChNord UHF-JO10kq 2026-01-08 16:46:17 UTC
PE0SAT-11-JO21mr 2026-01-08 16:46:16 UTC
PE0SAT-21-JO21mr 2026-01-08 16:46:16 UTC
UX5UL-KO50ei 2026-01-08 15:09:23 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
CalPoly
TLE Updated
2026-01-08 23:15:36 UTC
TLE Set
1 27848U 03031J   26008.54748805  .00000376  00000-0  18451-3 0  9991
2 27848 98.6795 18.9456 0008682 311.7494 48.2942 14.23511594168662
Satellite Suggestion History

Transmitter Suggestion History