Flight
- Date and time (UTC)
- September 27, 1997, 01:23
- Launch designation
- 1997-056
- Mission
- Iridium MS-4
- Vehicle flight ID
- D248
- Year
- Launches in 1997
Orbit and payload
- Initial apogee
- 809 km
- Payload mass to orbit
- 3.3 t
- Payloads
- 5
- GCAT launch code
- OS
Payloads
| Payload | Designation | Owner | Mission type | Mass | Fate |
|---|---|---|---|---|---|
| Iridium 19 | 1997-056ANORAD 24965 | Iridium Inc. | Communications | 662 kg | Reentered (orbital decay) · Apr 19, 2018 |
| Iridium 35? | 1997-056BNORAD 24966 | Iridium Inc. | Communications | 662 kg | Reentered (orbital decay) · Dec 26, 2018 |
| Iridium 36 | 1997-056CNORAD 24967 | Iridium Inc. | Communications | 662 kg | In orbit |
| Iridium 37? | 1997-056DNORAD 24968 | Iridium Inc. | Communications | 662 kg | Reentered (orbital decay) · May 26, 2018 |
| Iridium 34 | 1997-056ENORAD 24969 | Iridium Inc. | Communications | 662 kg | Reentered (orbital decay) · Jan 8, 2018 |
Source: GCAT launch list and payload catalogs, Jonathan C. McDowell (CC BY 4.0). Orbit values are the initial orbit reported for the launch.