The Day That Changed Spaceflight Forever
Thirty-nine years ago, the loss of Space Shuttle Challenger and its seven crew members forever transformed our approach to spaceflight safety and risk management
Launch Date
June 16, 1993
Launch Site
PLMSC
Launch Pad
LC132/1
Launch Vehicle
Kosmos 11K65M
NORAD ID
36366
International Designator
1993-036AYT
Epoch
Fri, 03 Jul 2026 22:43:51 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
74.06°
Right Ascension
261.59°
Eccentricity
Calculating...
Argument of Perigee
241.99°
Period
100.34 min
Mean Motion
14.35 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Name
COSMOS 2251 DEB
Alternative Name
deb Kosmos-2251
Type
Status
Owner
KVR
Country
Russia
Constellation
N/A
Related Satellites
Major Events
N/A
1 36366U 93036AYT 26184.94712520 .00003466 00000-0 11719-2 0 9996
2 36366 74.0645 261.5894 0086645 241.9901 117.2467 14.35132045892029
Source: Celestrak
Length
0
Diameter
0
Span
0
Dry Mass
0
Launch Mass
0
Shape
N/A
Radar Cross Section
0.0106
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Payload
Unknown
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.
Thirty-nine years ago, the loss of Space Shuttle Challenger and its seven crew members forever transformed our approach to spaceflight safety and risk management
A week of highs and lows for SpaceX, including weather-related delays and a return to Falcon launches.
Exciting advancements from SpaceX as Starshield satellites prepare for launch, Starship Flight 7 faces a short delay, and new Starlink satellites enter orbit.
Major challenges emerged with SpaceX's next-generation Starship booster testing, while Starlink deployments continued with successful launches.
SpaceX faces a setback with a Falcon 9 upper stage reentry issue, while NASA selects SpaceX for a new mission. Starlink expansions continue with multiple satellite launches.
Today's space highlights include China's first classified Shiyan-28B launch, Boeing's major satellite contract, new NASA budget allocations, and plans for shuttle Discovery's relocation.
Forty-seven years ago, an Atlas rocket carried the first GPS satellite into orbit, launching a revolution in navigation that would transform daily life across the globe
SpaceX successfully launches two lunar landers and clears another milestone with Transporter-12 rideshare mission.