X Report 9 Nov 2025
SpaceX successfully launched 29 new Starlink satellites today, further expanding its satellite internet constellation amidst growing competition in the space broadband market.
COSMOS 2549 (47546)
COSPAR: 2021-008A | Alt Name: Kosmos-2549
Image
Additional Sources
Launch Details
Launch Date
February 2, 2021
Launch Site
PLMSC
Launch Pad
LC43/4
Launch Vehicle
Soyuz-2-1B
Orbital Elements
NORAD ID
47546
International Designator
2021-008A
Epoch
Fri, 03 Jul 2026 23:58:37 GMT
Apogee
Calculating...
Perigee
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Inclination
67.15°
Right Ascension
304.18°
Eccentricity
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Argument of Perigee
262.70°
Period
103.07 min
Mean Motion
13.97 rev/day
Latitude
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Longitude
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Altitude
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Velocity
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Polar Plot
3D Visualization
Basic Satellite Info
Name
COSMOS 2549
Alternative Name
Kosmos-2549
Type
Payload
Status
Operational
Owner
VVKOV
Country
Russia
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 47546U 21008A 26184.99904374 -.00000029 00000-0 33321-4 0 9991
2 47546 67.1512 304.1840 0005850 262.6982 97.3438 13.97046385276187
Source: Celestrak
Summary
COSMOS 2549 (also known as Kosmos-2549) is an electronic intelligence (SIGINT) satellite launched by Russia on February 2, 2021, from the Plesetsk Cosmodrome LC43/4 launch pad using a Soyuz-2-1B launch vehicle. The spacecraft has dimensions of 6.3 meters in length and 2.7 meters in diameter with a span of 6.3 meters, featuring a cylindrical body and two panels. It weighs 6500 kg dry and had a launch mass of 6575 kg. The satellite is powered by two deployable solar arrays and batteries and carries the Lotos-S1 No. 805 payload for SIGINT purposes. Manufactured by TSSKBP/ARSLO, COSMOS 2549 operates under the ownership of VVKOV and utilizes a Yantar bus configuration with an 11D428 motor.
Physical Characteristics
Length
6.3
Diameter
2.7
Span
6.3
Dry Mass
6500
Launch Mass
6575
Shape
Cyl + 2 Pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Lotos-S1 No. 805
Purpose
SIGINT
Mission
SIGINT
Manufacturer
TSSKBP/ARSLO
Life Expectancy
Unknown
Bus
Yantar'-Lotos
Configuration
Yantar bus
Motor
11D428
Equipment
Unknown
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
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