Lockheed MartinAthena ISpace Launch Complex 46, Cape Canaveral SFS, FL, USA
Formosat-1
Launched
January 27, 1999
Image: NASA/Kennedy Space Center Expendable Vehicle Directorate
Summary
Formosat-1 launched on a Lockheed Martin Athena I from Space Launch Complex 46, Cape Canaveral SFS, FL, USA on January 27, 1999. It was Lockheed Martin's 39th launch, 1st this year and humanity's 4,291st orbital launch attempt. It was the 3rd Athena I flight and the 1st this year. The payload was bound for low Earth orbit (LEO). Formosat-1, one of 2 catalogued objects, reached a 596 × 609 km orbit inclined 35.0°. 2 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Vehicle
- Athena I · Lockheed Martin
- Booster
- No booster details on record.
- Mission
- Earth Science · Low Earth Orbit (LEO)
- Milestone
- 3rd Athena I flight · 1st this yearLockheed Martin's 39th launch1st this yearhumanity's 4,291st orbital launch attempt2nd orbital launch attempt this year
Flight preview
Orbit: as tracked
Formosat-1 · NORAD 25616 · 1999-002 · Space-Track · tracking 1 of 2 objects
Show the numbers for orbit elements
- Object
- ROCSAT 1
- Object ID
- 1999-002A
- Epoch
- 1999-01-27 01:38:12 UTC
- Mean motion
- 14.90907854 rev/day
- Eccentricity
- 0.0009437
- Inclination
- 34.9862°
- Ascending node
- 284.7377°
- Arg. of perigee
- 177.6235°
- Mean anomaly
- 182.4516°
- Element set
- 999
- Rev at epoch
- 0
- B*
- 0
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: LEO. Ascent drawn from padside's representative profile.
Catalogued objects
2 catalogued: 1 payload, 1 rocket stage; none still in orbit
- Formosat-1 · NORAD 25616 · re-entered May 21, 2023
Athena-1 LM-006 OAM · re-entered January 29, 1999
Data from J. McDowell, planet4589.org
About this launch
The mission objective of ROCSAT-1 (Republic of China Satellite 1) is to develop, launch, and operate a low earth orbit satellite, and to conduct three scientific and technology experiments in the areas of ocean color imaging, space telecommunication, and solar-terrestrial physics.
Pad

Space Launch Complex 46, Cape Canaveral SFS, FL, USA
2nd launch from Space Launch Complex 46, 1st this year · 558th from Cape Canaveral SFS, FL, USA
6 launches from this pad · 1,131 from Cape Canaveral SFS, FL, USA
384 days after the previous launch from this pad
Questions
When did Formosat-1 launch?
Formosat-1 launched on January 27, 1999. The time is known to the hour, not the minute.
Where can I watch Formosat-1?
No webcast is on record for this launch.
What rocket launched Formosat-1?
Athena I, flown by Lockheed Martin. Athena I spec sheet
Where did Formosat-1 launch from?
Space Launch Complex 46, Cape Canaveral SFS, FL, USA.
What orbit did Formosat-1 reach?
Formosat-1, one of 2 catalogued objects, reached a 596 × 609 km orbit inclined 35.0°.
How many satellites did Formosat-1 launch?
1 payload from this launch is catalogued, no longer in orbit (Data from J. McDowell, planet4589.org).
