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Martin MariettaCommercial Titan IIISpace Launch Complex 40, Cape Canaveral SFS, FL, USA

Skynet 4A & JCSat 2

Launched

January 1, 1990

Launch Successful

Image: NASA

Summary

Skynet 4A & JCSat 2 launched on a Martin Marietta Commercial Titan III from Space Launch Complex 40, Cape Canaveral SFS, FL, USA on January 1, 1990. It was Martin Marietta's 1st launch, 1st this year and humanity's 3,477th orbital launch attempt. It was the 1st Commercial Titan III flight. The payload was bound for Geostationary Orbit (Direct-GEO). The tracked orbit of Skynet 4A, one of 6 catalogued objects, from January 4, 1990, was 33,684 × 35,707 km inclined 3.4°. 6 objects from this launch are catalogued, 2 of them payloads.

Watch
No webcast on record.
Vehicle
Commercial Titan III · Martin Marietta
Booster
No booster details on record.
Mission
Communications · Geostationary Orbit (Direct-GEO)
Milestone
1st Commercial Titan III flightMartin Marietta's 1st launch1st this yearhumanity's 3,477th orbital launch attempt1st orbital launch attempt this year

Flight preview

Orbit: as tracked

3.4°Inclination
33684 × 35707 kmPerigee × apogeefrom mean elements
1380.3 minPeriodfrom mean elements
303.9°Ascending node
13434 d agoElement epoch1990-01-04 01:11 UTC · stale

Skynet 4A · NORAD 20401 · 1990-001 · Space-Track · tracking 1 of 6 objects

Show the numbers for orbit elements
Object
SKYNET 4A
Object ID
1990-001A
Epoch
1990-01-04 01:11:14 UTC
Mean motion
1.043226 rev/day
Eccentricity
0.0246302
Inclination
3.4201°
Ascending node
303.9129°
Arg. of perigee
53.7468°
Mean anomaly
308.68°
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: Direct-GEO.

Catalogued objects

6 catalogued: 2 payloads, 1 rocket stage, 3 components; 2 still in orbit

  • Skynet 4A · NORAD 20401
  • JCSAT 2 · NORAD 20402 · in orbit

Titan CT-1 Stage 2 · re-entered January 9, 1990

Data from J. McDowell, planet4589.org

About this launch

British and Japanese geostatioary communications satellites

Pad

Map of Space Launch Complex 40

Space Launch Complex 40, Cape Canaveral SFS, FL, USA

35th launch from Space Launch Complex 40, 1st this year · 426th from Cape Canaveral SFS, FL, USA

403 launches from this pad · 1,131 from Cape Canaveral SFS, FL, USA

118 days after the previous launch from this pad

Questions

When did Skynet 4A & JCSat 2 launch?

Skynet 4A & JCSat 2 launched on January 1, 1990. The time is known to the hour, not the minute.

Where can I watch Skynet 4A & JCSat 2?

No webcast is on record for this launch.

What rocket launched Skynet 4A & JCSat 2?

Commercial Titan III, flown by Martin Marietta. Commercial Titan III spec sheet

Where did Skynet 4A & JCSat 2 launch from?

Space Launch Complex 40, Cape Canaveral SFS, FL, USA.

What orbit did Skynet 4A & JCSat 2 reach?

The tracked orbit of Skynet 4A, one of 6 catalogued objects, from January 4, 1990, was 33,684 × 35,707 km inclined 3.4°.

How many satellites did Skynet 4A & JCSat 2 launch?

2 payloads from this launch are catalogued, 1 of them still in orbit (Data from J. McDowell, planet4589.org).