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ArianespaceAriane 42LAriane Launch Area 2, Guiana Space Centre, French Guiana

Galaxy 4R

Launched

April 19, 2000

Launch Successful

Image: Arianespace

Summary

Galaxy 4R launched on an Arianespace Ariane 42L from Ariane Launch Area 2, Guiana Space Centre, French Guiana on April 19, 2000. It was Arianespace's 125th launch, 4th this year and humanity's 4,389th orbital launch attempt. It was the 11th Ariane 42L flight and the 2nd this year. The payload was bound for Geostationary Orbit (Direct-GEO). Galaxy 4R, one of 2 catalogued objects, reached a 227 × 32,014 km orbit inclined 7.0°. 2 objects from this launch are catalogued, one of them a payload.

Watch
No webcast on record.
Booster
No booster details on record.
Mission
Communications · Geostationary Orbit (Direct-GEO)
Milestone
11th Ariane 42L flight · 2nd this yearArianespace's 125th launch4th this yearhumanity's 4,389th orbital launch attempt22nd orbital launch attempt this year

Flight preview

Orbit: as tracked

7.0°Inclination
227 × 32014 kmPerigee × apogeefrom mean elements
559.5 minPeriodfrom mean elements
34.7°Ascending node
9675 d agoElement epoch2000-04-19 12:03 UTC · stale

Galaxy 4R · NORAD 26298 · 2000-020 · Space-Track · tracking 1 of 2 objects

Show the numbers for orbit elements
Object
GALAXY 4R
Object ID
2000-020A
Epoch
2000-04-19 12:03:05 UTC
Mean motion
2.57375447 rev/day
Eccentricity
0.7066452
Inclination
7.0216°
Ascending node
34.7266°
Arg. of perigee
176.063°
Mean anomaly
75.3059°
Element set
999
Rev at epoch
1
B*
0.014176

Perigee, apogee and period are Kepler figures from the catalogued mean elements, not a propagated state. Published orbit: Direct-GEO. Ascent drawn from padside's representative profile.

Catalogued objects

2 catalogued: 1 payload, 1 rocket stage; 1 still in orbit

  • Galaxy 4R · NORAD 26298

Ariane H10-3 V129 · in orbit

Data from J. McDowell, planet4589.org

About this launch

Galaxy 4R, a Hughes HS-601HP or "high power" spacecraft, provides broadcast and telecommunications service to North America, with the capability to provide back-up services to Latin America. The satellite was built on an expedited basis.

Pad

Map of Ariane Launch Area 2

Ariane Launch Area 2, Guiana Space Centre, French Guiana

99th launch from Ariane Launch Area 2, 3rd this year · 138th from Guiana Space Centre, French Guiana

119 launches from this pad · 336 from Guiana Space Centre, French Guiana

60 days after the previous launch from this pad

Questions

When did Galaxy 4R launch?

Galaxy 4R launched on April 19, 2000. The time is known to the hour, not the minute.

Where can I watch Galaxy 4R?

No webcast is on record for this launch.

What rocket launched Galaxy 4R?

Ariane 42L, flown by Arianespace. Ariane 42L spec sheet

Where did Galaxy 4R launch from?

Ariane Launch Area 2, Guiana Space Centre, French Guiana.

What orbit did Galaxy 4R reach?

Galaxy 4R, one of 2 catalogued objects, reached a 227 × 32,014 km orbit inclined 7.0°.

How many satellites did Galaxy 4R launch?

1 payload from this launch is catalogued (Data from J. McDowell, planet4589.org).