Space Brief 26 Feb 2025
Today's brief covers the crash of a SpaceX Falcon 9 rocket over Europe, the Space Force's mapping efforts with Iron Dome, and key military appointments and funding decisions.
OPS 4988 (GREB 6) (01271)
COSPAR: 1965-016A | Alt Name: GREB 6
Image
Additional Sources
Launch Details
Launch Date
March 9, 1965
Launch Site
AFWTR
Launch Pad
75-1-2
Launch Vehicle
Thor SLV-2 Agena D
Orbital Elements
NORAD ID
01271
International Designator
1965-016A
Epoch
Sun, 19 Jul 2026 18:50:27 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
70.08°
Right Ascension
88.62°
Eccentricity
Calculating...
Argument of Perigee
19.98°
Period
103.10 min
Mean Motion
13.97 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Explore in the Catalog
Basic Satellite Info
Name
OPS 4988 (GREB 6)
Alternative Name
GREB 6
Type
Payload
Status
Unknown
Owner
NRO/NRL
Country
United States
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 01271U 65016A 26200.78503829 .00000008 00000+0 43328-4 0 9992
2 01271 70.0794 88.6205 0019820 19.9844 48.2830 13.96664911123360
Source: Celestrak
Summary
Apologies, there is no summary for this satellite yet. I am working to generate these for every object in the catalog, but it is going to take time.
Physical Characteristics
Length
0.5
Diameter
0.5
Span
0.5
Dry Mass
48
Launch Mass
48
Shape
Sphere
Radar Cross Section
0.5652
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
POPPY 4 Bravo
Purpose
SIGINT
Mission
SIGINT
Manufacturer
Naval Research Laboratory
Life Expectancy
ca. 34 month (average)
Bus
NRL 24
Configuration
Unknown
Motor
None
Equipment
Unknown
Power System
Solar cells, 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 Force Unveils New Alaska Radar, SDA Awards $3.5B for 72 Tracking Satellites | KeepTrack Space Brief
Space Force deploys new radar in Alaska for orbital tracking. SDA awards $3.5B for 72 missile defense satellites. Anysignal raises $24M for autonomous RF sensing technology.
Space Brief 9 Nov 2024
Today's briefing covers significant developments in international rocket designs, recent astronaut health updates, and advancements in supersonic flight technology.
Space Brief 8 Nov 2024
Today's highlights include Russia's record-setting satellite launch, insights from NASA's AWE during Hurricane Helene, and confirmation of astronaut Suni Williams' good health aboard the ISS.
X Report 12 Feb 2025
SpaceX swaps Crew Dragon capsules with NASA to accelerate Crew-10 launch, and successfully launches multiple Starlink satellites into orbit.
Space Brief 18 Nov 2025
Key updates on strategic military shifts, technological advancements, and a critical replacement mission for Chinese astronauts highlight today's space news.
Space Brief 14 Aug 2025
Today's brief covers the Vulcan Centaur's first mission, military space automation insights, and the retirement reflections of a Space Force leader.
Falcon Heavy Returns After 18-Month Hiatus, Lofts ViaSat-3 F3 | KeepTrack X Report
Falcon Heavy completed its 12th flight ever on April 29, ending an 18-month stand-down by lofting the 6-ton ViaSat-3 F3 comsat to GTO.