OKEAN-2 (20510)

COSPAR: 1990-018A | Alt Name: Okean-O1

Image
OKEAN-2 Satellite Image
Additional Sources
Launch Details

Launch Date

February 28, 1990

Launch Site

PLMSC

Launch Pad

LC32/2

Launch Vehicle

Tsiklon-3

Orbital Elements

NORAD ID

20510

International Designator

1990-018A

Epoch

Sat, 04 Jul 2026 01:53:42 GMT

Apogee

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Perigee

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Inclination

82.50°

Right Ascension

216.81°

Eccentricity

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Argument of Perigee

241.25°

Period

94.95 min

Mean Motion

15.17 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

OKEAN-2

Alternative Name

Okean-O1

Type

Payload

Status

Unknown

Owner

GMS/YUZH

Country

USSR

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 20510U 90018A   26185.07896325  .00003989  00000-0  20286-3 0  9998
2 20510  82.4968 216.8115 0004733 241.2537 147.8502 15.16576187956624

Source: Celestrak

Summary
The OKEAN-2 satellite, also known as Okean-O1 No. 5L, was launched on February 28, 1990, from the Plesetsk Cosmodrome using a Tsiklon-3 launch vehicle. It has a cylindrical shape with two panels and antennas, measuring 5 meters in length, 2.4 meters in diameter, and spanning 21.5 meters. The satellite weighs 1,906 kilograms at both launch and dry mass. Equipped for ocean observation, it includes RLSBO (3.2 cm), RM-0.8, MWP (3.2 cm), RTVK, MSU-SK, and Kondor equipment. Its power system consists of two deployable solar arrays and batteries. The satellite was manufactured by YUZH and operated for approximately 2 years as part of the Okean mission series under the ownership of GMS/YUZH.
Physical Characteristics

Length

5

Diameter

2.4

Span

21.5

Dry Mass

1906

Launch Mass

1906

Shape

Cyl + 2 Pan + Ant

Radar Cross Section

8.6034

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Okean-O1 No. 5L

Purpose

Ocean Observation

Mission

Ocean Observation

Manufacturer

YUZH

Life Expectancy

2 years

Bus

Okean

Configuration

Unknown

Motor

Unknown

Equipment

RLSBO (3.2 cm), RM-0.8, MWP (3.2 cm), RTVK, MSU-SK, Kondor

Power System

2 deployable solar arrays, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

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