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
I LOVE BALI YES-OI71og 2026-05-11 11:24:21 UTC
M0EYT / 2E0NOG-IO80xs 2026-05-11 07:01:09 UTC
PISTATION-UHF-CN99cf 2026-05-11 01:36:09 UTC
HS0ZQS_UHF-OK03fu 2026-05-11 00:27:08 UTC
DUS-NORD-UHF-JO31jg 2026-05-10 18:54:07 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
2026-05-11 11:23:42 UTC
TLE Set
1 27848U 03031J   26130.98602781  .00000166  00000-0  92161-4 0  9995
2 27848 98.6780 139.7545 0008567 317.9241 42.1279 14.23600467186087
Satellite Suggestion History

Transmitter Suggestion History