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
HS0ZQS_UHF-OK03fu 2026-05-12 11:09:53 UTC
PU4ELT-GH70qd 2026-05-12 08:40:06 UTC
DUS-NORD-UHF-JO31jg 2026-05-12 06:43:25 UTC
M0EYT / 2E0NOG-IO80xs 2026-05-12 06:36:12 UTC
Sofia SAT Club - Bay Ivan-KN22lx 2026-05-12 05:01:59 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
2026-05-12 09:23:52 UTC
TLE Set
1 27848U 03031J   26131.97000580  .00000168  00000-0  92943-4 0  9994
2 27848 98.6780 140.7254 0008525 314.7788 45.2696 14.23600890186224
Satellite Suggestion History

Transmitter Suggestion History