Flight
- Date and time (UTC)
- May 19, 1971, 10:20
- Launch designation
- 1971-044
- Mission
- DS-P1-Yu No. 48
- Flight name
- Kosmos-421
- Vehicle flight ID
- 45747-138
- Year
- Launches in 1971
Orbit and payload
- Initial perigee
- 272 km
- Initial apogee
- 468 km
- Inclination
- 70.9°
- Payload mass to orbit
- 0.200 t
- Payloads
- 1
- GCAT launch code
- OS
Payloads
| Payload | Designation | Owner | Mission type | Mass | Fate |
|---|---|---|---|---|---|
| Kosmos-421 | 1971-044ANORAD 5232 | Proto-Vozdhusnoy Oborony | Calibration | 200 kg | Reentered (orbital decay) · Nov 8, 1971 |
Source: GCAT launch list and payload catalogs, Jonathan C. McDowell (CC BY 4.0). Orbit values are the initial orbit reported for the launch.