Space Brief 25 Aug 2024
Today's Space Brief covers NASA's decision on Starliner, SpaceX's preparations for the Polaris Dawn mission, and updates on various space activities. Also featured is an in-depth look at the Hubble Space Telescope.
MOLNIYA 1-75 (19807)
COSPAR: 1989-014A | Alt Name: Molniya-1
Image
Additional Sources
Launch Details
Launch Date
February 15, 1989
Launch Site
Launch Pad
LC1
Launch Vehicle
Molniya 8K78M
Orbital Elements
NORAD ID
19807
International Designator
1989-014A
Epoch
Tue, 30 Jun 2026 04:21:48 GMT
Apogee
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Perigee
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Inclination
63.83°
Right Ascension
137.95°
Eccentricity
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Argument of Perigee
255.61°
Period
717.95 min
Mean Motion
2.01 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
MOLNIYA 1-75
Alternative Name
Molniya-1
Type
Payload
Status
Unknown
Owner
UNKS
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 19807U 89014A 26181.18180763 .00000027 00000-0 00000-0 0 9998
2 19807 63.8265 137.9485 6833657 255.6134 25.1038 2.00571775273542
Source: Celestrak
Summary
MOLNIYA 1-75, also known as Molniya-1, is a communication satellite launched on February 15, 1989, from the TYSMC launch site using LC1 and the Molniya 8K78M launch vehicle. Manufactured by NPOPM, this satellite has dimensions of 4.4 meters in length, 1.4 meters in diameter, and an 8.6 meter span. The dry mass is 1620 kg with a launch mass of 1650 kg. It was designed to operate for three years and features 6 deployable solar arrays and batteries for power supply. The satellite has a Cyl + 6 Pan shape, with an RCS value of 12.6191. The payload includes the Molniya-1T No. 84L communication equipment.
Physical Characteristics
Length
4.4
Diameter
1.4
Span
8.6
Dry Mass
1620
Launch Mass
1650
Shape
Cyl + 6 Pan
Radar Cross Section
12.6191
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Molniya-1T No. 84L
Purpose
Communication
Mission
Communication
Manufacturer
NPOPM
Life Expectancy
3 years
Bus
Molniya-1
Configuration
KAUR-2
Motor
KDU-414A (S5.114)
Equipment
Unknown
Power System
6 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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