SL-12 R/B(2) (16404)

COSPAR: 1985-118F | Alt Name: Blok DM-2 No. 11L

Image

Additional Sources

Launch Details

Launch Date

December 24, 1985

Launch Site

Tyuratam Missile and Space Complex

Launch Pad

LC200/39

Launch Vehicle

Proton-K/DM-2

Orbital Elements

NORAD ID

16404

International Designator

1985-118F

Epoch

Thu, 02 Jul 2026 03:38:38 GMT

Apogee

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Perigee

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Inclination

66.03°

Right Ascension

323.46°

Eccentricity

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Argument of Perigee

17.05°

Period

675.53 min

Mean Motion

2.13 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

SL-12 R/B(2)

Alternative Name

Blok DM-2 No. 11L

Type

Rocket Body

Status

Space Junk

Owner

RVSN

Country

USSR

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs

1 16404U 85118F   26183.15183580 -.00000055  00000-0  00000-0 0  9990

2 16404  66.0328 323.4608 0006983  17.0504 161.4061  2.13165027315613

Source: Celestrak

Summary

A rocket body, also commonly referred to as an upper stage or spent rocket stage, is the structural shell left behind after a rocket has delivered its payload to orbit. These large and often heavy pieces of space hardware can remain in orbit for years, posing significant collision hazards as part of the growing space debris problem. If left uncontrolled, rocket bodies have the potential to reenter Earth's atmosphere unpredictably, which can lead to falling debris in populated areas. Additionally, they risk colliding with operational satellites or the International Space Station, creating more debris and putting human life at risk.

Physical Characteristics

Length

6.3

Diameter

3.7

Span

6.3

Dry Mass

2440

Launch Mass

17490

Shape

Cyl

Radar Cross Section

1.9186

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

11S861 No. 11L

Purpose

Unknown

Mission

Unknown

Manufacturer

NPOE

Life Expectancy

Unknown

Bus

Blok DM

Configuration

Unknown

Motor

Unknown

Equipment

Unknown

Power System

Unknown

ADCS

Unknown

Transmitter Frequency

Unknown

Map

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