COSMOS 2146 (21302)

COSPAR: 1991-033D | Alt Name: Kosmos-2146

Image
COSMOS 2146 Satellite Image
Additional Sources
Launch Details

Launch Date

May 16, 1991

Launch Site

PLMSC

Launch Pad

LC32/2

Launch Vehicle

Tsiklon-3

Orbital Elements

NORAD ID

21302

International Designator

1991-033D

Epoch

Sat, 04 Jul 2026 05:14:01 GMT

Apogee

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Perigee

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Inclination

82.58°

Right Ascension

283.46°

Eccentricity

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Argument of Perigee

354.94°

Period

113.87 min

Mean Motion

12.65 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 2146

Alternative Name

Kosmos-2146

Type

Payload

Status

Unknown

Owner

UNKSR

Country

USSR

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 21302U 91033D   26185.21807835  .00000045  00000-0  18631-3 0  9991
2 21302  82.5762 283.4619 0015591 354.9400   5.1532 12.64554204621478

Source: Celestrak

Summary
COSMOS 2146, also known as Kosmos-2146, is a military communication satellite launched by the Soviet Union on May 16, 1991, from the PLMSC launch site using LC32/2 and the Tsiklon-3 launch vehicle. The spacecraft has dimensions of 1.6 meters in length, 0.8 meters in diameter, and a span of 7 meters with solar cells and batteries for power supply. Its dry mass is 225 kg, which is equal to its launch mass. COSMOS 2146 was manufactured by NPOPM and equipped with the Strela-3 payload for military communication purposes. The satellite has a cylindrical shape with antennas (Cyl + Ant) and a radar cross-section (RCS) of 1.1083 square meters. Its owner is listed as UNKSR, indicating an unknown or unspecified entity within the former Soviet Republics.
Physical Characteristics

Length

1.6

Diameter

0.8

Span

7

Dry Mass

225

Launch Mass

225

Shape

Cyl + Ant

Radar Cross Section

1.1083

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Strela-3

Purpose

Military Communication

Mission

Military Communication

Manufacturer

NPOPM

Life Expectancy

Unknown

Bus

Strela-3

Configuration

Unknown

Motor

Unknown

Equipment

Unknown

Power System

Solar cells, batteries

ADCS

Unknown

Transmitter Frequency

Unknown

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