Launch occurred on 18 February 2000, at 01:04 UTC.[4] The launch was contracted by Arianespace, and used an Ariane 44LP H10-3launch vehicle flying from ELA-2 at the Centre Spatial Guyanais. Following its launch and on-orbit testing, it was placed in geostationary orbit at 162° East, from where it provides communications services to Japan. It is equipped with thirty five transponders. Currently, the J-Alert (Japanese emergency warning system) is broadcast via Superbird-B2.[1]
Launches are separated by dots ( • ), payloads by commas ( , ), multiple names for the same satellite by slashes ( / ). Crewed flights are underlined. Launch failures are marked with the † sign. Payloads deployed from other spacecraft are (enclosed in parentheses).
