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NADEZHDA 2 (20508)
COSPAR: 1990-017A | Alt Name: Nadezhda
Image
Additional Sources
Launch Details
Launch Date
February 27, 1990
Launch Site
PLMSC
Launch Pad
LC132/2
Launch Vehicle
Kosmos 11K65M
Orbital Elements
NORAD ID
20508
International Designator
1990-017A
Epoch
Fri, 03 Jul 2026 22:19:45 GMT
Apogee
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Perigee
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Inclination
82.95°
Right Ascension
61.63°
Eccentricity
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Argument of Perigee
34.47°
Period
104.76 min
Mean Motion
13.75 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
NADEZHDA 2
Alternative Name
Nadezhda
Type
Payload
Status
Non-operational
Owner
VMF/UNKS
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 20508U 90017A 26184.93038876 .00000048 00000-0 34197-4 0 9997
2 20508 82.9549 61.6325 0044895 34.4729 336.1229 13.74558686822681
Source: Celestrak
Summary
NADEZHDA 2 (also known as Nadezhda) is a satellite identified by NORAD CAT ID 20508 and OBJECT ID 1990-017A, part of the KAUR-1 configuration. Launched on February 27, 1990, from PLMSC launch site LC132/2 using the Kosmos 11K65M launch vehicle, this satellite has dimensions of 5 meters in length and a diameter of 2.1 meters with a span of 17 meters. It was manufactured by POL for VMF/UNKS and has a dry mass of 825 kg, which is also its launch mass. The satellite's purpose is to serve as a Navigation / SAR Transponder. Equipped with solar cells and batteries for power supply, NADEZHDA 2 features a cylindrical shape complemented by antennas, having a radar cross-section (RCS) of 2.297 square meters.
Physical Characteristics
Length
5
Diameter
2.1
Span
17
Dry Mass
825
Launch Mass
825
Shape
Cyl + Ant
Radar Cross Section
2.297
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Nadezhda No. 405
Purpose
Navigation / SAR Transponder
Mission
Navigation / SAR Transponder
Manufacturer
POL
Life Expectancy
Unknown
Bus
KAUR-1 17F118
Configuration
KAUR-1
Motor
Unknown
Equipment
Unknown
Power System
Solar cells, 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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