Flight
- Date and time (UTC)
- October 3, 1998, 10:04
- Launch designation
- 1998-055
- Mission
- STEX
- Flight name
- STEX/USA 141
- Vehicle flight ID
- T3 1110
- Flight code
- NROL-08
- Year
- Launches in 1998
Orbit and payload
- Initial apogee
- 766 km
- Payload mass to orbit
- 0.700 t
- Payloads
- 2
- GCAT launch code
- OS
Payloads
| Payload | Designation | Owner | Mission type | Mass | Fate |
|---|---|---|---|---|---|
| STEX | 1998-055ANORAD 25489 | National Reconnaissance Office | Technology | 671 kg | In orbit |
| ATEX | 1998-055CNORAD 25615 | National Reconnaissance Office | Technology | 29 kg | In orbit |
Source: GCAT launch list and payload catalogs, Jonathan C. McDowell (CC BY 4.0). Orbit values are the initial orbit reported for the launch.