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COSMOS 1897 (18575)
COSPAR: 1987-096A | Alt Name: Kosmos-1897
Image
Additional Sources
Launch Details
Launch Date
November 26, 1987
Launch Site
Launch Pad
LC200/39
Launch Vehicle
Proton-K/DM-2
Orbital Elements
NORAD ID
18575
International Designator
1987-096A
Epoch
Fri, 03 Jul 2026 20:57:21 GMT
Apogee
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Perigee
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Inclination
11.00°
Right Ascension
326.81°
Eccentricity
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Argument of Perigee
144.73°
Period
1435.58 min
Mean Motion
1.00 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 1897
Alternative Name
Kosmos-1897
Type
Payload
Status
Non-operational
Owner
UNKS
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 18575U 87096A 26184.87316846 -.00000246 00000-0 00000-0 0 9993
2 18575 11.0032 326.8088 0007591 144.7326 215.8642 1.00307853141358
Source: Celestrak
Summary
COSMOS 1897 (KAUR-4 Al'tair) is a communication and data relay satellite launched by the Soviet Union on November 26, 1987, from the Tymshchuk space center using a Proton-K/DM-2 launch vehicle. The spacecraft has dimensions of 6.6 meters in length, 4.1 meters in diameter, with a span of 16 meters. It had a dry mass of 2200 kg and launched with a total mass of 2400 kg. Equipped with 2 deployable solar arrays and batteries for power, it also featured 4 SPT-70 Stationary Plasma Thrusters for propulsion. The satellite's shape is characterized as cylindrical with two panels and two dish antennas. Manufactured by NPOPM (NPO Mashinostroyeniya), COSMOS 1897 was designed to operate for approximately five years, carrying the Al'tair No. 12L payload for its mission purposes.
Physical Characteristics
Length
6.6
Diameter
4.1
Span
16
Dry Mass
2200
Launch Mass
2400
Shape
Cyl + 2 Pan + 2 Dish
Radar Cross Section
10
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Al'tair No. 12L
Purpose
Communication, data relay
Mission
Communication, data relay
Manufacturer
NPOPM
Life Expectancy
5 years
Bus
KAUR-4 Al'tair
Configuration
KAUR-4
Motor
4 x SPT-70 Stationary Plasma Thrusters
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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