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
PV8DX-FJ92pt 2025-10-22 10:08:07 UTC
ISAE.Supaero UHF-JN03rn 2025-10-22 08:35:28 UTC
YO4DFT az 315 degrees -North West-KN44hd 2025-10-22 06:27:52 UTC
Apomahon-KM18ub 2025-10-22 04:51:32 UTC
VU2JEK_Nitin-MK83sd 2025-10-22 01:38:29 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
2025-10-22 10:48:05 UTC
TLE Set
1 27848U 03031J   25294.96272765  .00000504  00000-0  24130-3 0  9994
2 27848 98.6814 301.4320 0009668 168.6961 191.4436 14.23432232157485
Satellite Suggestion History

Transmitter Suggestion History