... The first stage of the IACG Inter-Agency Consultative Group for Space Science Campaign 2 was started in the spring of 1997. ... situation analysis . ... 1997 . ... The orbits as follows are considered: INTERBALL TAIL PROBE (IB_TAIL), MAGION 5 (IB_MAG5), & AURORAL PROBE (IB_AUR) (RKA, Russian Space Agency) , POLAR (NASA) and GEOTAIL (NASA & ISAS Institute of Space and Astronautical Sciences, Japan) . ... NASA GSFC SSC Satellite Situation Center of the NASA Goddard Space Flight Center . ...