KOSEN-1
Mission information
Name
KOSEN-1
Alternate Names
JR5YGJ
Satellite ID
NJBJ-3838-9654-0508-8247
NORAD ID
49402
Website
http://space.kochi-ct.jp/kosen-1/
Country of Origin

Japan

Status
Satellite alive
Operational

Satellite is in orbit and operational

Image
KOSEN-1
Mission timeline
Launch Date
2021-11-09T00:00:00+00:00
Mode HF/U - Onboard SDR
Type
Transponder
Service
Amateur
Downlink Mode
AFSK
Downlink Frequency
435525000
Baud
1200
Uplink Mode
CW
Downlink High
435525000
Uplink Frequency
21125000
Uplink High
21150000
IARU Coordination
IARU Coordinated
Mode U - AFSK1k2
Type
Transmitter
Downlink Mode
AFSK
Downlink Frequency
435525000
Baud
1200
IARU Coordination
IARU Coordinated
Mode U - GMSK9k6
Type
Transmitter
Downlink Mode
GMSK
Downlink Frequency
435525000
Baud
9600
IARU Coordination
IARU Coordinated
Mode U - CW Beacon
Type
Transmitter
Downlink Mode
CW
Downlink Frequency
435525000
Baud
18
IARU Coordination
IARU Coordinated
Most Recent Observers (last 24h)
Observer Latest Data
UHF-VHF Terrace station-KN12pp 2025-11-09 07:01:29 UTC
UX5UL-KO50ei 2025-11-09 07:00:32 UTC
SONIKS: Station_109-KO16tx 2025-11-09 06:59:21 UTC
DEX-X-JO20ul 2025-11-08 19:35:52 UTC
Drachten-JO33bc 2025-11-08 19:35:52 UTC
Data Frames Decoded - 30 Days
There is no decoded data for this satellite in the last 30 days.
Decoder: KOSEN-1 Telemetry
Script Name
kosen1
Decoder Fields
Click here
Orbital Elements
Latest Two-Line Element (TLE)
TLE Source
Celestrak (SatNOGS)
TLE Updated
2025-11-09 00:48:19 UTC
TLE Set
1 49402U 21102H   25312.54275146  .00013535  00000+0  58025-3 0  9991
2 49402 97.3515 354.1550 0013259 265.8215 94.1506 15.22788559220396
Satellite Suggestion History

Transmitter Suggestion History