![[AUTO] Delta II - image](/media?u=https%3A%2F%2Fthespacedevs-prod.nyc3.digitaloceanspaces.com%2Fmedia%2Fimages%2Fdelta2520ii_image_20190222030440.jpeg&w=1600)
United States Air ForceDelta II 7925Space Launch Complex 17B, Cape Canaveral SFS, FL, USA
NATO 4A
Launched
January 8, 1991
Summary
NATO 4A launched on an United States Air Force Delta II 7925 from Space Launch Complex 17B, Cape Canaveral SFS, FL, USA on January 8, 1991. It was United States Air Force's 893rd launch, 1st this year and humanity's 3,598th orbital launch attempt. It was the 2nd Delta II 7925 flight and the 1st this year. The payload was bound for Geostationary Orbit (Direct-GEO). NATO IVA, one of 4 catalogued objects, reached a 761 × 35,485 km orbit inclined 26.0°. 4 objects from this launch are catalogued, one of them a payload.
- Watch
- No webcast on record.
- Vehicle
- Delta II 7925 · United States Air Force
- Booster
- No booster details on record.
- Mission
- Government/Top Secret · Geostationary Orbit (Direct-GEO)
- Milestone
- 2nd Delta II 7925 flight · 1st this yearUnited States Air Force's 893rd launch1st this yearhumanity's 3,598th orbital launch attempt1st orbital launch attempt this year
Flight preview
Orbit: as tracked
NATO IVA · NORAD 21047 · 1991-001 · Space-Track · tracking 1 of 4 objects
Show the numbers for orbit elements
- Object
- NATO 4A
- Object ID
- 1991-001A
- Epoch
- 1991-01-08 06:35:41 UTC
- Mean motion
- 2.26470802 rev/day
- Eccentricity
- 0.708808
- Inclination
- 25.9577°
- Ascending node
- 298.4874°
- Arg. of perigee
- 180.2249°
- Mean anomaly
- 179.8212°
- Element set
- 999
- Rev at epoch
- 0
- B*
- 0.000099999
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
4 catalogued: 1 payload, 2 rocket stages, 1 component; 3 still in orbit
- NATO IVA · NORAD 21047 · in orbit
Delta 202 · in orbit
Delta 202 Stage 3 · in orbit
Data from J. McDowell, planet4589.org
About this launch
NATO-4 is the a communications satellite system serving the North Atlantic Treaty Organization (NATO) and British Ministry of Defense. NATO 4A was the first of two new-generation comsats offering secure military and diplomatic voice and data communications to NATO member nations and troops in the field.
Pad
Space Launch Complex 17B, Cape Canaveral SFS, FL, USA
85th launch from Space Launch Complex 17B, 1st this year · 443rd from Cape Canaveral SFS, FL, USA
132 launches from this pad · 1,131 from Cape Canaveral SFS, FL, USA
69 days after the previous launch from this pad
Questions
When did NATO 4A launch?
NATO 4A launched on January 8, 1991. The time is known to the hour, not the minute.
Where can I watch NATO 4A?
No webcast is on record for this launch.
What rocket launched NATO 4A?
Delta II 7925, flown by United States Air Force. Delta II 7925 spec sheet
Where did NATO 4A launch from?
Space Launch Complex 17B, Cape Canaveral SFS, FL, USA.
What orbit did NATO 4A reach?
NATO IVA, one of 4 catalogued objects, reached a 761 × 35,485 km orbit inclined 26.0°.
How many satellites did NATO 4A launch?
1 payload from this launch is catalogued, still in orbit (Data from J. McDowell, planet4589.org).