Debris Cloud 0317: 2011-077 (CZ3BY21)
- Parent object: CZ-3B Y21
- Parent object catalog tag: S38015
- Debris event date and time (UTC): 2011 Dec 21
- Date of last debris reentry: -
- Event type: Resid
- Parent orbit at time of event (km x km x deg): 229 x 41714 x 24.33
