Space Force Orders 14 GPS 3F Satellites for $514M | KeepTrack Space Brief
Space Force awards Lockheed Martin $514M for two additional GPS 3F satellites, bringing total orders to 14. New satellites add anti-jam features and upgraded civilian signals.
INTELSAT 28 (IS-28) (37392)
COSPAR: 2011-016A | Alt Name: Intelsat New Dawn
Image
Additional Sources
Launch Details
Launch Date
April 22, 2011
Launch Site
FRGUI
Launch Pad
ELA3
Launch Vehicle
Ariane 5ECA
Orbital Elements
NORAD ID
37392
International Designator
2011-016A
Epoch
Sat, 04 Jul 2026 04:57:03 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
1.85°
Right Ascension
82.43°
Eccentricity
Calculating...
Argument of Perigee
24.01°
Period
1436.10 min
Mean Motion
1.00 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
INTELSAT 28 (IS-28)
Alternative Name
Intelsat New Dawn
Type
Payload
Status
Operational
Owner
NDAWN
Country
Mauritius
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 37392U 11016A 26185.20629615 -.00000214 00000-0 00000-0 0 9994
2 37392 1.8475 82.4255 0003878 24.0080 218.3118 1.00271563 53453
Source: Celestrak
Summary
INTELSAT 28 (IS-28), also known as Intelsat New Dawn, is a communication satellite with a Star-2 bus configuration manufactured by OSCD and launched on April 22, 2011, from the ELA3 launch pad at Guiana Space Centre using an Ariane 5ECA vehicle. The satellite weighs 3,000 kilograms at launch and has dimensions of 4.9 meters in length, 2.5 meters in diameter, and a span of 25.6 meters. It is equipped with 28 C-band transponders and 24 Ku-band transponders for communication purposes and powered by two deployable solar arrays along with batteries. The satellite's dry mass is 1238 kilograms, and it has an expected lifetime of 15 years. Its shape consists of a box design with two panels, and the reflectivity coefficient (RCS) is 25.1189 square meters. The propulsion system uses IHI BT-4 motors for orbital maneuvers. The satellite operates under NDAWN ownership and serves communication purposes in orbit.
Physical Characteristics
Length
4.9
Diameter
2.5
Span
25.6
Dry Mass
1238
Launch Mass
3000
Shape
Box + 2 Pan
Radar Cross Section
25.1189
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Intelsat New Dawn
Purpose
Communication
Mission
Communication
Manufacturer
OSCD
Life Expectancy
15 years
Bus
Star 2
Configuration
Star-2.4 Bus
Motor
IHI BT-4
Equipment
28 C-band transponders, 24 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
Satellite Articles
View All Posts »Learn more about satellites and other related topics.
Space Brief 2 Jun 2025
Today's edition covers SpaceX's Starlink launch delay, a breakthrough in ceramic manufacturing for space, and Momentus's orbital tech demo, among other headlines.
Esrange Spaceport
Europe's bid to break free from the US launch monopoly. How Sweden's Esrange Space Center is transforming access to space, enabling orbital launches, and strengthening strategic independence for the continent.
SpaceX Files $18.7B IPO as Starship V3 Debuts | KeepTrack X Report
SpaceX's S-1 reveals $18.7B in revenue as Starship Flight 12 debuts Block 3 hardware from Pad 2 on May 21, 2026.
Space Brief 1 Nov 2025
Today's brief covers the future of military space operations, ESA's potential defense role, significant developments in satellite communications, and SpaceX's response to Artemis 3 comments.
The Civilian Space Traffic System America Almost Didn't Build
For nearly two decades, the U.S. Air Force and Space Force have been the world's unofficial civilian space traffic control system. The Department of Commerce's Traffic Coordination System for Space (TraCSS) is now taking over that job for commercial satellite operators - in stages, against persistent congressional pressure to kill the program, and with Department of Defense advocates pushing to make it happen before it is too late.
X Report 2 Feb 2025
SpaceX successfully launched 43 Starlink satellites across two missions, marking significant achievements at Cape Canaveral and Vandenberg Space Force Bases.
Starlink-34343 | The Second Fragmentation Event in Three Months
STARLINK-34343 broke apart at 560 kilometers. SpaceX's response - launch more satellites the next morning - tells you everything about the confidence gap between fleet statistics and individual failure modes.