Major Characteristics
Momo-1
(MOS-1) International Designation Code 1987-018A
Launch Date 2/19/1987
Launch Vehicle N-II Launch Vehicle (N16F)
Launch Site Tanegashima Space Center
Momo-1b
(MOS-1b) International Designation Code 1990-13A
Launch Date 2/7/1990
Launch Vehicle H-I Launch Vehicle (H21F)
Launch Site Tanegashima Space Center
Weight Approx 740kg (at lift off)
Altitude Approx. 909km
Inclination Approx. 99 degrees
Orbital Period Approx. 103minutes (Recurrence cycle 17 days)
Shape Box type with expanding type solar paddle (one wing)
Mission Life 2 years
Attitude Control Three-axis stabilized (controled bias momentum)