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DIRECTV 1R (25937)
COSPAR: 1999-056A | Alt Name: DirecTV 1R
Image
Additional Sources
Launch Details
Launch Date
October 10, 1999
Launch Site
SEAL
Launch Pad
KLA -
Launch Vehicle
Zenit-3SL
Orbital Elements
NORAD ID
25937
International Designator
1999-056A
Epoch
Fri, 03 Jul 2026 23:56:41 GMT
Apogee
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Perigee
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Inclination
10.70°
Right Ascension
48.35°
Eccentricity
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Argument of Perigee
255.14°
Period
1455.12 min
Mean Motion
0.99 rev/day
Latitude
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Longitude
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Altitude
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Velocity
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Polar Plot
3D Visualization
Basic Satellite Info
Name
DIRECTV 1R
Alternative Name
DirecTV 1R
Type
Payload
Status
Non-operational
Owner
DTV
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 25937U 99056A 26184.99770472 -.00000186 00000-0 00000-0 0 9997
2 25937 10.6991 48.3532 0001969 255.1386 284.1369 0.98961046 97387
Source: Celestrak
Summary
DIRECTV 1R is a communication satellite owned by DTV and manufactured by HSES, launched on October 10, 1999, from SEAL using the Zenit-3SL launch vehicle. It has a configuration of HS-601HP with dimensions including a length of 4 meters, diameter of 2.7 meters, and span of 26 meters. The satellite carries 16 active Ku-band transponders (with 4 spares) for direct broadcasting purposes. At launch, it had a mass of 3447 kg and is now operating with a dry mass of 1800 kg. It features two deployable solar arrays and batteries as its power source. The satellite's mission lifetime was estimated at 15 years.
Physical Characteristics
Length
4
Diameter
2.7
Span
26
Dry Mass
1800
Launch Mass
3447
Shape
Box + 2 Pan
Radar Cross Section
3.9811
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
DirecTV-1R
Purpose
Communication (Direct Broadcasting)
Mission
Communication (Direct Broadcasting)
Manufacturer
HSES
Life Expectancy
15 years
Bus
HS-601HP
Configuration
HS-601HP
Motor
R-4D-11-300
Equipment
16 active (4 spare) Ku-band transponders
Power System
2 deployable solar arrays, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
Map
Next Pass
Azimuth Elevation Time (Local)
Start Azimuth
Max Elevation
Stop Azimuth
Time Until
Pass Duration
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