10,374 Starlink Satellites in Orbit, X Report 6 May 2026
Starlink satellites in orbit May 2026: 10,374, with 10,358 working. Mission 17-29 lifts 24 more from Vandenberg and a satellite films the Starlink train.
NAVSTAR 52 (USA 168) (27704)
COSPAR: 2003-010A | Alt Name: GPS IIR-9
Image
Additional Sources
Launch Details
Launch Date
March 31, 2003
Launch Site
Launch Pad
SLC17A
Launch Vehicle
Delta 7925-9.5
Orbital Elements
NORAD ID
27704
International Designator
2003-010A
Epoch
Sat, 04 Jul 2026 22:53:00 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
54.81°
Right Ascension
324.51°
Eccentricity
Calculating...
Argument of Perigee
264.74°
Period
752.12 min
Mean Motion
1.91 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
NAVSTAR 52 (USA 168)
Alternative Name
GPS IIR-9
Type
Payload
Status
Backup
Owner
AFSMC
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 27704U 03010A 26185.95347529 -.00000073 00000+0 00000+0 0 9999
2 27704 54.8053 324.5108 0005772 264.7406 63.8021 01.91457658170262
Source: Celestrak
Summary
NAVSTAR 52 (USA 168), also known as GPS IIR-9, is a navigation satellite launched on March 31, 2003, from the Cape Canaveral Air Force Station's SLC17A launch pad using the Delta 7925-9.5 launch vehicle. The spacecraft measures 1.5 meters in length and has a diameter of 1.9 meters with a span of 19.3 meters due to its deployable solar arrays. It was manufactured by LMMS for AFSMC, weighing 1077 kilograms at launch and having a dry mass of 910 kilograms. Its mission is navigation as part of the GPS SVN 45 constellation. The satellite's power system includes two deployable solar arrays and batteries, with its shape described as a box plus two panels. The expected operational lifetime was ten years from its stable date on March 31, 2003.
Physical Characteristics
Length
1.5
Diameter
1.9
Span
19.3
Dry Mass
910
Launch Mass
1077
Shape
Box + 2 Pan
Radar Cross Section
4.0247
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
GPS SVN 45
Purpose
Navigation
Mission
Navigation
Manufacturer
LMMS
Life Expectancy
10 years
Bus
Series 4000
Configuration
AS-4000
Motor
Star 37XFP
Equipment
?
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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