X Report 20 Jan 2025
SpaceX continues to push forward with its ambitious plans as the FAA investigates Starship debris reports, while Starlink maintains robust satellite operations.
INTELSAT 605 (IS-605) (21653)
COSPAR: 1991-055A | Alt Name: INTELSAT 605
Image
Additional Sources
Launch Details
Launch Date
August 14, 1991
Launch Site
FRGUI
Launch Pad
ELA2
Launch Vehicle
Ariane 44L
Orbital Elements
NORAD ID
21653
International Designator
1991-055A
Epoch
Sat, 04 Jul 2026 03:49:52 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
13.59°
Right Ascension
17.41°
Eccentricity
Calculating...
Argument of Perigee
214.12°
Period
1449.80 min
Mean Motion
0.99 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
INTELSAT 605 (IS-605)
Alternative Name
INTELSAT 605
Type
Payload
Status
Non-operational
Owner
INTEL
Country
INTELSAT
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 21653U 91055A 26185.15963044 .00000075 00000-0 00000-0 0 9993
2 21653 13.5877 17.4081 0001561 214.1202 152.1524 0.99324131127109
Source: Celestrak
Summary
INTELSAT 605 (IS-605) is a communication satellite operated by INTEL and manufactured by HSES. It was launched on August 14, 1991, from the ELA2 launch pad at FRGUI using an Ariane 44L launch vehicle. The spacecraft has dimensions of 11.8 meters in length, 3.6 meters in diameter, and a span of 11.8 meters with a dry mass of 1908 kg and a launch mass of 4296 kg. It is equipped with 38 C-band transponders and 10 Ku-band transponders for communication purposes. The satellite's power comes from body-mounted and drop-skirt solar cells along with batteries, and it has an RCS (Reaction Control System) area of 11.2339 square meters. It is cylindrical in shape and was designed to operate for a lifetime of approximately 13 years.
Physical Characteristics
Length
11.8
Diameter
3.6
Span
11.8
Dry Mass
1908
Launch Mass
4296
Shape
Cyl
Radar Cross Section
11.2339
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
INTELSAT VI F-5
Purpose
Communication
Mission
Communication
Manufacturer
HSES
Life Expectancy
13 years
Bus
HS-389
Configuration
HS-389
Motor
R-4D-12 x2
Equipment
38 C-band transponders, 10 Ku-band transponders
Power System
Solar cells (body mounted and drop-skirt), batteries
ADCS
Unknown
Transmitter Frequency
Unknown
Map
Next Pass
Azimuth Elevation Time (Local)
Start Azimuth
Max Elevation
Stop Azimuth
Time Until
Pass Duration
Satellite Articles
View All Posts »Learn more about satellites and other related topics.
X Report 14 Mar 2025
SpaceX advances pre-launch tests amid Starlink deployment surge and strategic expansions in Texas.
The Day Europe Changed the Game for Small Satellites
Thirteen years ago, a new rocket lifted off from the edge of the Amazon rainforest, marking Europe's entry into the small satellite launch market and carrying the dreams of university students across a continent
X Report 9 May 2025
SpaceX makes strides in various sectors, from Starlink expanding services on United Airlines to new hardware aimed at enhancing home connectivity.
The Satellites the Size of a Studio Apartment
AST SpaceMobile's BlueBird constellation is a bet that raw aperture size wins. Each satellite unfolds a 64-square-meter phased-array antenna in orbit, the largest commercial antenna ever deployed. The company claims a stock smartphone on the ground can connect directly to it. The competition says the physics doesn't support that. Seventeen satellites in and a contract with AT&T, Verizon, and Vodafone, somebody's math is wrong.
Space Brief 10 Dec 2025
Today's brief covers China's intense launch schedule, a new Arctic military constellation, Muon Space's defense innovations, and SpaceX's classified NROL-77 mission.
Space Brief 26 Aug 2025
Today's space news highlights include U.S. military satellite deployments, innovative AI aboard the Chinese space station, and breakthroughs in interplanetary communications.
X Report 13 Feb 2025
SpaceX and NASA swap Crew Dragon for Crew-10 mission; exciting 'space jellyfish' phenomena from recent launch.