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 2026-01-27 04:52:58 UTC
Sofia SAT Club - Bay Ivan-KN22lx 2026-01-27 04:50:53 UTC
Apomahon-KM18ub 2026-01-27 04:50:47 UTC
VU2JEK_Nitin-MK83sd 2026-01-27 01:36:46 UTC
MAUSyagi-FN32ig 2026-01-26 21:35:32 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
2026-01-26 13:15:13 UTC
TLE Set
1 27848U 03031J   26025.97897264  .00000556  00000-0  26357-3 0  9995
2 27848 98.6800 36.1404 0008455 255.2958 104.7284 14.23527635171146
Satellite Suggestion History

Transmitter Suggestion History