Space Brief 13 Apr 2025
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EKRAN 21 (26736)
COSPAR: 2001-014A | Alt Name: Ekran-M
Image
Additional Sources
Launch Details
Launch Date
April 7, 2001
Launch Site
Launch Pad
LC81/24
Launch Vehicle
Proton-M/Briz-M
Orbital Elements
NORAD ID
26736
International Designator
2001-014A
Epoch
Sat, 04 Jul 2026 01:54:38 GMT
Apogee
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Perigee
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Inclination
14.65°
Right Ascension
13.00°
Eccentricity
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Argument of Perigee
74.98°
Period
1446.03 min
Mean Motion
1.00 rev/day
Latitude
Calculating...
Longitude
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Altitude
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Velocity
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Polar Plot
3D Visualization
Basic Satellite Info
Name
EKRAN 21
Alternative Name
Ekran-M
Type
Payload
Status
Non-operational
Owner
GPKS
Country
Russia
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 26736U 01014A 26185.07961329 .00000090 00000-0 00000-0 0 9998
2 26736 14.6492 13.0047 0029331 74.9804 282.7295 0.99583284 92090
Source: Celestrak
Summary
EKRAN 21, also known as Ekran-M, is a communication and direct broadcasting satellite launched on April 7, 2001, from the Tyuratam Site (TYMSC), LC81/24 launch pad using a Proton-M/Briz-M launch vehicle. The satellite has dimensions of 5.5 meters in length, 2.5 meters in diameter, and spans 9 meters with its solar arrays fully deployed. It was manufactured by NPOPMR for GPKS, with a dry mass of 1,900 kilograms and a launch mass of 2,005 kilograms. Equipped with one (+1) UHF transponder at 200 W and C-band uplink capabilities, EKRAN 21 is powered by two deployable solar arrays and batteries. Its design consists of a cylindrical shape plus two panels and a plate, with a reflective surface area (RCS) of 25.1188 square meters. The satellite's operational lifetime was expected to be 9 years from its launch date.
Physical Characteristics
Length
5.5
Diameter
2.5
Span
9
Dry Mass
1900
Launch Mass
2005
Shape
Cyl + 2 Pan + Plate
Radar Cross Section
25.1188
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Ekran-M No. 18L
Purpose
Communication, direct broadcasting
Mission
Communication, direct broadcasting
Manufacturer
NPOPMR
Life Expectancy
9 years
Bus
Ekran
Configuration
KAUR-3
Motor
Unknown
Equipment
1 (+1) UHF 200 W transponder, C-band uplink
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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