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 in orbit
Operational

Satellite is in orbit

Reception
Status
Unknown
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
436847500.0
Mode U AFSK TLM
Type
Transmitter
Downlink Mode
AFSK
Downlink Frequency
437490000.0
Baud
1200
PE0SAT - CW Beacon
Type
Transmitter
Downlink Mode
CW
Downlink Frequency
436848700.0
Baud
15
Most Recent Observers (last 24h)
Observer Latest Data
Apomahon-KM18ub 2026-10-07 05:21:57 UTC
Sofia SAT Club - Bay Ivan-KN22lx 2026-10-07 05:19:32 UTC
PE0SAT-21-JO21mr 2026-10-06 17:10:03 UTC
GS ChNord VHF/UHF-JO10kq 2026-10-06 17:07:46 UTC
PE0SAT-31-JO21mr 2026-10-06 17:07:04 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
2026-10-06 23:23:31 UTC
TLE Set
1 27848U 03031J   26279.49274203  .00000144  00000-0  82464-4 0  9990
2 27848 98.6804 286.2961 0008465 238.0675 121.9680 14.23667852207217
Satellite Suggestion History

Transmitter Suggestion History