Debris Cloud 0072: 1977-121 (K970)
- Parent object: IS-M No. 703
- Parent object catalog tag: S10531
- Debris event date and time (UTC): 1977 Dec 21 1710
- Date of last debris reentry: -
- Event type: ASAT
- Parent orbit at time of event (km x km x deg): 949 x 1140 x 65.84
