The Day Japan Joined the Geostationary Club
Forty-eight years ago, a pioneering satellite named Kiku 2 propelled Japan into the exclusive group of nations capable of operating satellites in geostationary orbit
COSMOS 1852 (18113)
COSPAR: 1987-051A | Alt Name: Kosmos-1852
Image
Additional Sources
Launch Details
Launch Date
June 16, 1987
Launch Site
PLMSC
Launch Pad
LC132/1
Launch Vehicle
Kosmos 11K65M
Orbital Elements
NORAD ID
18113
International Designator
1987-051A
Epoch
Sat, 04 Jul 2026 03:49:50 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
74.00°
Right Ascension
101.56°
Eccentricity
Calculating...
Argument of Perigee
279.81°
Period
115.67 min
Mean Motion
12.45 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
COSMOS 1852
Alternative Name
Kosmos-1852
Type
Payload
Status
Unknown
Owner
UNKS
Country
USSR
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 18113U 87051A 26185.15961564 .00000014 00000-0 21326-3 0 9996
2 18113 74.0042 101.5622 0017324 279.8106 80.0986 12.44886282774543
Source: Celestrak
Summary
COSMOS 1852, also known as Kosmos-1852, is a military communication satellite launched by the Soviet Union on June 16, 1987, from the Plesetsk Cosmodrome Launch Pad LC132/1 using the Kosmos 11K65M launch vehicle. It has dimensions of 0.8 meters in length and diameter, with a dry mass and launch mass both at 60 kilograms. The satellite is powered by solar cells and batteries and was designed for a lifetime of approximately six months. Its mission involved military communication purposes, and it carries the payload Strela-1M Blok 41 No. 1. The satellite's shape is described as polyhedral with an RCS value of 0.6761. Manufactured by NPOPM, COSMOS 1852 was owned by UNKS at the time of its deployment.
Physical Characteristics
Length
0.8
Diameter
0.8
Span
0.8
Dry Mass
60
Launch Mass
60
Shape
Poly
Radar Cross Section
0.6761
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Strela-1M Blok 41 No. 1
Purpose
Military Communication
Mission
Military Communication
Manufacturer
NPOPM
Life Expectancy
6 months
Bus
Strela-1 11F625
Configuration
Unknown
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
Satellite Articles
View All Posts »Learn more about satellites and other related topics.
Space Brief 14 Nov 2024
Today's brief covers potential shifts in Space Force's strategy, new milestones in military satellite programs, and advancements in ground systems for missile defense. We'll also highlight Rocket Lab's latest contract win and critical design reviews in drone technology.
X Report 4 Dec 2024
SpaceX's Falcon 9 achieves a milestone with its 24th launch for Starlink, while competitive moves continue in the satellite internet market.
Space Brief 6 Nov 2025
Today's briefing covers Iceye's new aerospace service for defense clients, ESA's plan for dual-use satellites, and key defense agreements impacting satellite technology.
Space Brief 22 Aug 2025
SpaceX's X-37B spaceplane launch, featuring advanced tech, highlights today’s space events. The launch of the first reprogrammable navigation satellite by the US Space Force is another significant milestone.
DROID.002 - Turion Space's Eyes on the Orbital Junkyard
A 90-kilogram spacecraft with iodine thrusters and two Australian-built cameras is quietly building the case that tracking space debris is a business worth billions - and that a four-year-old startup from Irvine can own it.
The Day America Sent Two Secrets to the Sky
Sixty-five years ago, America launched two very different space missions within hours of each other - one broadcast live to a fascinated nation, the other quietly reaching orbit from a fog-shrouded California launchpad while no one was watching
Space Brief 15 Dec 2024
Anticipated NISAR launch now scheduled for March 2025; Rivada persists in broadband constellation quest despite setbacks; SpaceX scrubbed RRT-1 launch holds mystery.