The Day America Pioneered Polar Orbits
Sixty-six years ago, a Thor-Agena rocket thundered into the California sky carrying Discoverer 1, the first satellite attempt at polar orbit and the secret vanguard of Americas space reconnaissance program
Launch Date
December 25, 1972
Launch Site
PLMSC
Launch Pad
LC132/2
Launch Vehicle
Kosmos 11K65M
NORAD ID
06391
International Designator
1972-104C
Decay Date
8/4/2014
Name
SL-8 DEB
Alternative Name
deb Kosmos-540
Type
Status
Owner
GUKOSR
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
Length
0
Diameter
0
Span
0
Dry Mass
0
Launch Mass
0
Shape
N/A
Radar Cross Section
0.0095
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Payload
Strela-2M debris 1
Purpose
Unknown
Mission
Unknown
Manufacturer
Unknown
Life Expectancy
Unknown
Bus
Unknown
Configuration
Unknown
Motor
Unknown
Equipment
Unknown
Power System
Unknown
ADCS
Unknown
Transmitter Frequency
Unknown
Learn more about satellites and other related topics.
Sixty-six years ago, a Thor-Agena rocket thundered into the California sky carrying Discoverer 1, the first satellite attempt at polar orbit and the secret vanguard of Americas space reconnaissance program
On April 22, 2026, the FAA published a final rule implementing per-launch user fees for commercial space transportation — the first time the U.S. government has charged payload-based fees for rocket launches. Starting at 25 cents per pound with a $30,000 cap, the fees are modest today. By 2033, they won't be.
SpaceX's Falcon Heavy lifts off for the 12th time after 18 months grounded, delivering the final ViaSat-3 satellite from LC-39A at 10:21 a.m. EDT.
SpaceX launched 25 Starlink satellites from Vandenberg SFB on March 8, growing a constellation now totaling 9,924 active orbital nodes.
Today's briefing covers Blue Origin's certification progress, a near-miss between a Chinese spacecraft and a Starlink satellite, SpaceX's latest Starlink launch and booster landing, potential IPO news from SpaceX, and advancements in Starlink integration with Tesla vehicles.
Today's space updates include a new EU space commissioner's priorities, insights from declassified satellite images, and an update on NASA's Europa Clipper mission. A highlight in the Satellite Spotlight features the Russian satellite COSMOS 2070.
Crew-11 astronauts splashdown off California in first-ever ISS medical evacuation. SpaceX sets pad turnaround record at Cape Canaveral with Starlink 6-98 deploying 29 satellites.
SpaceX achieves a remarkable milestone with its 50th Falcon 9 launch of 2025, while Starlink continues to expand, facing competition from China's megaconstellation efforts.