2014-03-08

The catalog number of INVADER is 39577U 14009F.

CelesTrack announced that the catalog number of INVADER is 39578U 14009G. However, it is wrong. The real catalog number of INVADER is 39577U 14009F. We are operating using the TLE of 39577U 14009F and it works very well. The following is the measurement results of doppler shift by JA0CAW. ARTSAT-objectF