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
Operational
Satellite is in orbit and operational
Image

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.
SatNOGS Links
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 |
---|---|
M0GLU-IO91vc | 2025-09-05 17:18:29 UTC |
Dunchurch-IO92ii | 2025-09-05 17:17:09 UTC |
PE0SAT-31-JO21mr | 2025-09-05 17:17:09 UTC |
GS ChNord UHF-JO10kq | 2025-09-05 17:17:09 UTC |
DEX-ONE-JO20ul | 2025-09-05 17:17:08 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
- 2025-09-05 12:30:09 UTC
- TLE Set
-
1 27848U 03031J 25248.00648740 .00000506 00000-0 24221-3 0 9991
2 27848 98.6815 255.1019 0008677 316.9292 43.1206 14.23385317150808