United States Air ForceThor Delta BSpace Launch Complex 17B, Cape Canaveral SFS, FL, USA
Syncom 1
Launched
February 14, 1963
Summary
Syncom 1 launched on an United States Air Force Thor Delta B from Space Launch Complex 17B, Cape Canaveral SFS, FL, USA on February 14, 1963. It was United States Air Force's 130th launch, 4th this year and humanity's 229th orbital launch attempt. It was the 2nd Thor Delta B flight and the 1st this year. The payload was bound for Geosynchronous Orbit (GSO). Syncom 1, one of 2 catalogued objects, reached a 34,191 × 36,931 km orbit inclined 33.5°. 2 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Vehicle
- Thor Delta B · United States Air Force
- Booster
- No booster details on record.
- Mission
- Communications · Geosynchronous Orbit (GSO)
- Milestone
- 2nd Thor Delta B flight · 1st this yearUnited States Air Force's 130th launch4th this yearhumanity's 229th orbital launch attempt5th orbital launch attempt this year
Flight preview
Orbit: as tracked
Syncom 1 · NORAD 553 · 1963-004 · Space-Track · tracking 1 of 2 objects
Show the numbers for orbit elements
- Object
- SYNCOM 1
- Object ID
- 1963-004A
- Epoch
- 1963-02-14 12:57:50 UTC
- Mean motion
- 1.01107229 rev/day
- Eccentricity
- 0.0326791
- Inclination
- 33.5066°
- Ascending node
- 22.73°
- Arg. of perigee
- 266.6747°
- Mean anomaly
- 82.9452°
- Element set
- 999
- Rev at epoch
- 1
- B*
- 0
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: GSO. Ascent drawn from padside's representative profile.
Catalogued objects
2 catalogued: 1 payload, 1 rocket stage; 1 still in orbit
- Syncom 1 · NORAD 553 · in orbit
Delta 16 Stage 3 · re-entered November 2, 1981
Data from J. McDowell, planet4589.org
About this launch
Syncom 1 was designed to be the first test of a communications satellite in geosynchronous orbit.
Pad

Space Launch Complex 17B, Cape Canaveral SFS, FL, USA
14th launch from Space Launch Complex 17B, 1st this year · 95th from Cape Canaveral SFS, FL, USA
132 launches from this pad · 1,131 from Cape Canaveral SFS, FL, USA
109 days after the previous launch from this pad
Questions
When did Syncom 1 launch?
Syncom 1 launched on February 14, 1963. The time is known to the hour, not the minute.
Where can I watch Syncom 1?
No webcast is on record for this launch.
What rocket launched Syncom 1?
Thor Delta B, flown by United States Air Force. Thor Delta B spec sheet
Where did Syncom 1 launch from?
Space Launch Complex 17B, Cape Canaveral SFS, FL, USA.
What orbit did Syncom 1 reach?
Syncom 1, one of 2 catalogued objects, reached a 34,191 × 36,931 km orbit inclined 33.5°.
How many satellites did Syncom 1 launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).