Space Brief 2 Oct 2025
Highlighting ExLabs' Space Force contract, Starlink advances, and developments in orbital communication tech.
Launch Date
October 13, 1971
Launch Site
PLMSC
Launch Pad
LC132/2
Launch Vehicle
Kosmos 11K65M
NORAD ID
05554
International Designator
1971-086H
Epoch
Sat, 04 Jul 2026 05:04:07 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
74.03°
Right Ascension
7.90°
Eccentricity
Calculating...
Argument of Perigee
218.67°
Period
116.66 min
Mean Motion
12.34 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Name
COSMOS 451
Alternative Name
Kosmos-451
Type
Status
Owner
OKB10
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
1 05554U 71086H 26185.21119337 -.00000022 00000-0 -51079-4 0 9992
2 05554 74.0294 7.9004 0053258 218.6689 259.5611 12.34309011465783
Source: Celestrak
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.
Length
0.8
Diameter
0.8
Span
0.8
Dry Mass
60
Launch Mass
60
Shape
Poly
Radar Cross Section
0.723
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Payload
Strela-1M Blok 03 No. 8
Purpose
Military Communication
Mission
Military Communication
Manufacturer
OKB10
Life Expectancy
6 months
Bus
Strela-1 11F625
Configuration
Unknown
Motor
Unknown
Equipment
Unknown
Power System
Solar cells, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
Learn more about satellites and other related topics.
Highlighting ExLabs' Space Force contract, Starlink advances, and developments in orbital communication tech.
Today's coverage includes the cancellation of DARPA's DRACO nuclear propulsion project, global shifts in Earth observation strategy, and new developments in satellite technology and military collaborations.
Blue Origin launch pad rebuild begins at Cape Canaveral after the New Glenn explosion, targeting return to flight by end of 2026. SpaceX flies NROL-179.
Today's highlights include Space Force's new satcom design contracts, advances in AI training tools, Pentagon drone policy shifts, and the first Eris launch's failure.
Today's brief covers the future of military space operations, ESA's potential defense role, significant developments in satellite communications, and SpaceX's response to Artemis 3 comments.
SpaceX's Starlink 17-40 mission launches 24 satellites from Vandenberg SFB at 7:36 a.m. PDT, expanding the 10,705-satellite constellation.
SpaceX successfully launched 28 Starlink satellites, marking a significant milestone with its 500th orbital mission. Both launches underscore the company's commitment to expanding its satellite internet constellation and solidifying its position in the space industry.
Today's highlights cover critical satellite launches including SpaceX's GPS III mission, advancements in SATCOM technology, and changes in NASA leadership.