SpaceX Targets 600th Falcon Booster Landing on Starlink 17-22 | KeepTrack X Report
SpaceX attempts its 600th Falcon 9 booster landing during the Starlink 17-22 mission, adding 25 satellites from Vandenberg SFB.
ORBVIEW 1 (MICROLAB) (23547)
COSPAR: 1995-017C | Alt Name: OrbView-1
Image
Additional Sources
Launch Details
Launch Date
April 3, 1995
Launch Site
WRAS
Launch Pad
RW30/12
Launch Vehicle
Pegasus H
Orbital Elements
NORAD ID
23547
International Designator
1995-017C
Epoch
Sat, 04 Jul 2026 06:30:42 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
69.97°
Right Ascension
183.72°
Eccentricity
Calculating...
Argument of Perigee
295.23°
Period
98.13 min
Mean Motion
14.67 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
ORBVIEW 1 (MICROLAB)
Alternative Name
OrbView-1
Type
Payload
Status
Unknown
Owner
ORBI
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 23547U 95017C 26185.27132500 .00001414 00000-0 26158-3 0 9990
2 23547 69.9741 183.7209 0012008 295.2287 64.7611 14.67483207660790
Source: Celestrak
Summary
ORBVIEW 1 (MICROLAB), also known as OrbView-1, is a MicroStar configuration satellite manufactured by OSCG and owned by ORBI. Launched on April 3, 1995, from the Wallops Flight Facility (WRAS) using a Pegasus H launch vehicle, this Earth observation satellite has dimensions of 0.2 meters in length, 1 meter in diameter, and spans 4.3 meters when its solar arrays are deployed. It carries equipment including the OTD (Optical Transient Detector) and GPS/MET instruments. The satellite’s dry mass is 42 kilograms, identical to its launch mass, and it uses two deployable solar arrays with batteries for power supply. Its shape consists of a cylinder with two panels and an antenna, and it has a radar cross-section area (RCS) of 0.7658 square meters.
Physical Characteristics
Length
0.2
Diameter
1
Span
4.3
Dry Mass
42
Launch Mass
42
Shape
Cyl + 2 Pan + Ant
Radar Cross Section
0.7658
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Microlab 1
Purpose
Earth observation
Mission
Earth observation
Manufacturer
OSCG
Life Expectancy
Unknown
Bus
Microstar
Configuration
MicroStar (double)
Motor
?
Equipment
OTD (Optical Transient Detector), GPS/MET
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.
Van Allen Probe A Reenters After 14 Years; NASA Designates Starliner Type A Mishap | KeepTrack Space Brief
NASA's 590 kg Van Allen Probe A reentered March 10 after 14 years studying Earth's radiation belts. Meanwhile, Boeing Starliner classified as Type A mishap after leaving astronauts stranded on ISS.
GPS III SV-10 Moves to Falcon 9 After Vulcan Grounded | KeepTrack X Report
SpaceX claims a 2nd GPS III launch as ULA's Vulcan investigation stalls, while ESA charters a Crew Dragon ISS mission and Starlink hits 30 launches in 2026.
X Report 4 Jan 2025
SpaceX kicks off 2025 with successful launches and a record-breaking outlook, aiming to maintain its market leadership amidst emerging competition.
Pentagon Pauses LEO Constellation as Acquisition Reviews Continue | KeepTrack Space Brief
Pentagon puts LEO constellation layers on hold during acquisition review. SpaceX and xAI join $100M autonomous drone contest. China's Zenk Space completes first stage static fire.
X Report 4 Dec 2025
SpaceX successfully launched another batch of Starlink satellites and received approval for a new Starship launch site, while facing challenges with crew assignments on upcoming missions.
X Report 23 Nov 2024
SpaceX advances with Starship tests as Starlink continues global expansion. Key infrastructure updates from Cape Canaveral involve multiple industry players.
X Report 26 Jun 2025
SpaceX successfully launched the Ax-4 private astronaut mission to the ISS while continuing its satellite deployment with 27 new Starlink satellites, amidst ongoing recovery efforts from the loss of Ship 36.