United States Air ForceDelta 3910/PAMSpace Launch Complex 17A, Cape Canaveral SFS, FL, USA
Satcom 4
Launched
January 16, 1982
Summary
Satcom 4 launched on an United States Air Force Delta 3910/PAM from Space Launch Complex 17A, Cape Canaveral SFS, FL, USA on January 16, 1982. It was United States Air Force's 781st launch, 1st this year and humanity's 2,521st orbital launch attempt. It was the 4th Delta 3910/PAM flight and the 1st this year. The payload was bound for Geostationary Orbit (Direct-GEO). Satcom 4, one of 2 catalogued objects, reached a 203 × 35,915 km orbit inclined 27.4°. 2 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Vehicle
- Delta 3910/PAM · United States Air Force
- Booster
- No booster details on record.
- Mission
- Communications · Geostationary Orbit (Direct-GEO)
- Milestone
- 4th Delta 3910/PAM flight · 1st this yearUnited States Air Force's 781st launch1st this yearhumanity's 2,521st orbital launch attempt4th orbital launch attempt this year
Flight preview
Orbit: as tracked
Satcom 4 · NORAD 13035 · 1982-004 · Space-Track · tracking 1 of 2 objects
Show the numbers for orbit elements
- Object
- SATCOM 4
- Object ID
- 1982-004A
- Epoch
- 1982-01-17 04:47:20 UTC
- Mean motion
- 2.27359906 rev/day
- Eccentricity
- 0.7309142
- Inclination
- 27.4454°
- Ascending node
- 318.9634°
- Arg. of perigee
- 179.2309°
- Mean anomaly
- 183.6137°
- Element set
- 999
- Rev at epoch
- 3
- B*
- 0
Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: Direct-GEO.
Catalogued objects
2 catalogued: 1 payload, 1 rocket stage; 1 still in orbit
- Satcom 4 · NORAD 13035 · in orbit
Delta 159 PAM-D · re-entered November 2, 1988
Data from J. McDowell, planet4589.org
About this launch
First generation geostationary communication satellite built for RCA Americom
Pad

Space Launch Complex 17A, Cape Canaveral SFS, FL, USA
75th launch from Space Launch Complex 17A, 1st this year · 379th from Cape Canaveral SFS, FL, USA
145 launches from this pad · 1,131 from Cape Canaveral SFS, FL, USA
57 days after the previous launch from this pad
Questions
When did Satcom 4 launch?
Satcom 4 launched on January 16, 1982. The time is known to the hour, not the minute.
Where can I watch Satcom 4?
No webcast is on record for this launch.
What rocket launched Satcom 4?
Delta 3910/PAM, flown by United States Air Force. Delta 3910/PAM spec sheet
Where did Satcom 4 launch from?
Space Launch Complex 17A, Cape Canaveral SFS, FL, USA.
What orbit did Satcom 4 reach?
Satcom 4, one of 2 catalogued objects, reached a 203 × 35,915 km orbit inclined 27.4°.
How many satellites did Satcom 4 launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).
![[AUTO] Delta 3910 - image](/media?u=https%3A%2F%2Fthespacedevs-prod.nyc3.digitaloceanspaces.com%2Fmedia%2Fimages%2Fdelta_3910_image_20231231105538.jpeg&w=1600)