DELTA 1 DEB (21387)

COSPAR: 1975-052DH | Alt Name: deb Delta 111

Image
DELTA 1 DEB Satellite Image
Additional Sources
Launch Details

Launch Date

June 12, 1975

Launch Site

AFWTR

Launch Pad

SLC2W

Launch Vehicle

Delta 2910

Orbital Elements

NORAD ID

21387

International Designator

1975-052DH

Epoch

Sat, 04 Jul 2026 07:00:05 GMT

Apogee

Calculating...

Perigee

Calculating...

Inclination

99.49°

Right Ascension

114.99°

Eccentricity

Calculating...

Argument of Perigee

218.97°

Period

106.95 min

Mean Motion

13.46 rev/day

Latitude

Calculating...

Longitude

Calculating...

Altitude

Calculating...

Velocity

Calculating...

Polar Plot
3D Visualization
Basic Satellite Info

Name

DELTA 1 DEB

Alternative Name

deb Delta 111

Type

Debris

Status

Space Junk

Owner

GSFC

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 21387U 75052DH  26185.29173122  .00000184  00000-0  37381-3 0  9997
2 21387  99.4899 114.9859 0044888 218.9652 293.6113 13.46379785722002

Source: Celestrak

Summary
Space debris, also known as space junk, encompasses all non-functional objects orbiting Earth such as defunct satellites, spent rocket stages, and fragments from collisions or disintegrations. Over time, this debris can accumulate and create an increasingly hazardous environment in orbit. Even tiny fragments, traveling at extremely high velocities, can inflict significant damage on operational satellites and spacecraft. If left unmanaged, the density of debris raises the risk of catastrophic collisions and further fragmentation, compounding the problem and threatening the safety and sustainability of space activities.
Physical Characteristics

Length

0

Diameter

0

Span

0

Dry Mass

0

Launch Mass

0

Shape

N/A

Radar Cross Section

0.0179

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Unknown

Purpose

Unknown

Mission

Unknown

Manufacturer

Unknown

Life Expectancy

Unknown

Bus

Unknown

Configuration

Unknown

Motor

Unknown

Equipment

Unknown

Power System

Unknown

ADCS

Unknown

Transmitter Frequency

Unknown

Map
This tool will help you track the satellite's position and predict its upcoming passes over your location. Simply input the coordinates or click the geolocation button to get started.
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.

Falcon 9 Booster B1067 Flies Record 35th Time | KeepTrack X Report

Falcon 9 Booster B1067 Flies Record 35th Time | KeepTrack X Report

Booster B1067 set a Falcon 9 reuse record on its 35th flight, lofting 29 Starlink satellites as SpaceX eyes three more launches this week.

Space Brief 5 Dec 2025

Space Brief 5 Dec 2025

Focusing on military satellite initiatives, defense strategies, and advancements in air and cyber capabilities

Andøya Spaceport

Andøya Spaceport

Europe's Arctic gateway to orbit. How Norway's Andøya Spaceport is positioning itself as the continent's answer to launch congestion - and what the failed Isar Aerospace test flight means for the road ahead.

X Report 31 Oct 2025

X Report 31 Oct 2025

SpaceX prepares for its 100th Starlink launch while refining its lunar lander design for NASA's Artemis program amidst calls for architectural changes.

Space Brief 22 Apr 2025

Space Brief 22 Apr 2025

Today's brief highlights key advancements in space technology and innovative military initiatives. Featuring deep space tracking system upgrades, a push towards quantum communications in orbit, and critical radar developments.

Starship V3 Debuts Flight 12 With First-Ever Self-Imaging Maneuver | KeepTrack X Report

Starship V3 Debuts Flight 12 With First-Ever Self-Imaging Maneuver | KeepTrack X Report

SpaceX's Starship V3 targets Flight 12 with an unprecedented self-inspection maneuver, while Delta Air Lines walks away from Starlink inflight Wi-Fi.

Falcon Heavy Returns After 18-Month Hiatus for ViaSat-3 | KeepTrack X Report

Falcon Heavy Returns After 18-Month Hiatus for ViaSat-3 | KeepTrack X Report

SpaceX's Falcon Heavy lifts off for the 12th time after 18 months grounded, delivering the final ViaSat-3 satellite from LC-39A at 10:21 a.m. EDT.

Space Brief 20 Feb 2025

Space Brief 20 Feb 2025

Expansion of national security capabilities with new services, shifts in Pentagon priorities, challenges in zero trust compliance, and more.