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 2025-11-27 06:16:30 UTC
PF_DE_UHF_X_DIPOLE-JN48iv 2025-11-27 06:13:54 UTC
UX5UL-KO50ei 2025-11-27 06:13:27 UTC
VU2JEK_Nitin-MK83sd 2025-11-27 01:20:38 UTC
Churchlands SHS Portable-OF77wx 2025-11-26 22:10:46 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
2025-11-27 01:15:31 UTC
TLE Set
1 27848U 03031J   25330.53028316  .00000377  00000-0  18523-3 0  9996
2 27848 98.6800 336.5175 0010556 73.7888 286.4451 14.23469888162541
Satellite Suggestion History

Transmitter Suggestion History