Ten-Koh 2
Mission information
Name
Ten-Koh 2
Alternate Names
てんこう2, JS1YKI
Satellite ID
BLJD-2583-9512-2426-1509
NORAD ID
68261
Website
https://aero.cst.nihon-u.ac.jp/okuyama/ten-koh-2/
Country of Origin

Japan

Status
Satellite alive
Operational

Satellite is in orbit and operational

Image
Ten-Koh 2
Mission timeline
Launch Date
2025-10-21T00:00:00+00:00
Deploy Date
2026-03-11T09:35:00+00:00
Description

Photo and picture downlink V/U Linear Transponder (40 kHz) Digitalker 4k8 - 38k4 FSK CW 5.8 GHz

Will be deployed from HTV-X after its departing from ISS

V/U Linear Transponder
Type
Transponder
Service
Amateur
Downlink Mode
USB
Downlink Frequency
435875000
Uplink Mode
LSB
Downlink High
435915000
Uplink Frequency
145895000
Uplink High
145935000
IARU Coordination
IARU Coordinated
Type
Transmitter
Service
Amateur
Downlink Mode
CW
Downlink Frequency
5839000000
IARU Coordination
IARU Coordinated
ITU Notifications
ITU Notified [Link 1]
Type
Transmitter
Service
Amateur
Downlink Mode
CW
Downlink Frequency
435860000
IARU Coordination
IARU Coordinated
ITU Notifications
ITU Notified [Link 1]
Mode U - GMSK4k8 - Telemetry, Photos, Pictures
Type
Transmitter
Service
Amateur
Downlink Mode
GMSK
Downlink Frequency
435895000
Baud
4800
IARU Coordination
IARU Coordinated
ITU Notifications
ITU Notified [Link 1]
Mode U - FM - Digitalker
Type
Transmitter
Service
Amateur
Downlink Mode
FM
Downlink Frequency
435860000
IARU Coordination
IARU Coordinated
ITU Notifications
ITU Notified [Link 1]
Mode U - GMSK9k6 - Transmitter
Type
Transmitter
Service
Amateur
Downlink Mode
GMSK
Downlink Frequency
435860000
Baud
9600
IARU Coordination
IARU Coordinated
ITU Notifications
ITU Notified [Link 1]
Mode U - AFSK1k2 - Transmitter
Type
Transmitter
Service
Amateur
Downlink Mode
AFSK
Downlink Frequency
435860000
Baud
1200
IARU Coordination
IARU Coordinated
ITU Notifications
ITU Notified [Link 1]
Most Recent Observers (last 24h)

No observations recorded for Ten-Koh 2 in the last 24h

Data Frames Decoded - 30 Days
There is no decoded data for this satellite in the last 30 days.
No Decoders Found
Help us develop a decoder, you can find instructions at this wiki link
Orbital Elements
Latest Two-Line Element (TLE)
TLE Source
Space-Track.org
TLE Updated
2026-03-27 05:19:50 UTC
TLE Set
1 68261U 25241B   26085.94707943  .00009447  00000-0  41322-3 0  9990
2 68261 51.6377 350.8127 0004436 217.7972 142.2694 15.22706866 2375
Satellite Suggestion History

Transmitter Suggestion History