DELTA 1 R/B (03315)

COSPAR: 1968-055B | Alt Name: Delta 57 Stage 3

Image
DELTA 1 R/B Satellite Image
Additional Sources
Launch Details

Launch Date

July 4, 1968

Launch Site

AFWTR

Launch Pad

SLC2E

Launch Vehicle

Thor Delta J

Orbital Elements

NORAD ID

03315

International Designator

1968-055B

Epoch

Sun, 19 Jul 2026 17:42:41 GMT

Apogee

Calculating...

Perigee

Calculating...

Inclination

120.67°

Right Ascension

272.29°

Eccentricity

Calculating...

Argument of Perigee

263.17°

Period

155.55 min

Mean Motion

9.26 rev/day

Latitude

Calculating...

Longitude

Calculating...

Altitude

Calculating...

Velocity

Calculating...

Polar Plot
3D Visualization
Basic Satellite Info

Name

DELTA 1 R/B

Alternative Name

Delta 57 Stage 3

Type

Rocket Body

Status

Space Junk

Owner

GSFC

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 03315U 68055B   26200.73798251  .00000087  00000+0  29298-3 0  9995
2 03315 120.6659 272.2890 2631359 263.1715 281.3261 09.25752047944569

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

1

Diameter

0.9

Span

1

Dry Mass

65

Launch Mass

718

Shape

Sphere + Cone

Radar Cross Section

0.7718

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

Star 37D S/N 009

Purpose

Unknown

Mission

Unknown

Manufacturer

THKE

Life Expectancy

Unknown

Bus

Star 37

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.

Space Brief 2 Dec 2025

Space Brief 2 Dec 2025

Today's brief covers China's classified Shijian-28 satellite launch, AI-designed spacecraft records, and upcoming global launch activities.

X Report 10 Feb 2025

X Report 10 Feb 2025

SpaceX prepares for Starship Flight 8 with successful booster static fire; Starlink continues its expansion.

Space Brief 7 Dec 2025

Space Brief 7 Dec 2025

Today's highlights include a record-breaking event at the International Space Station, significant funding for hypersonic missile production, and several key military developments impacting space strategy.

Space Brief 10 Feb 2025

Space Brief 10 Feb 2025

Discover today's key space events: SpaceX's Starlink launch, rocket debris risks, and advancements in nuclear rocket technology.

South Korea Plans Defense Satellite Constellation With Hanwha Systems | KeepTrack Space Brief

South Korea Plans Defense Satellite Constellation With Hanwha Systems | KeepTrack Space Brief

Hanwha Systems in talks with MDA Space and Telesat for South Korean defense satellite constellation. SpaceX preps GPS satellite launch for Space Force. Seismic networks now track space junk reentry.

China's 75 Unusual GEO Maneuvers Flagged by CSIS | KeepTrack Space Brief

China's 75 Unusual GEO Maneuvers Flagged by CSIS | KeepTrack Space Brief

CSIS analysis identifies 75 unusual orbital maneuvers by Chinese GEO satellites over 10 years, consistent with military reconnaissance. Track GEO objects via KeepTrack.

The Day We Banned the Word "Film"

The Day We Banned the Word "Film"

On January 20, 1972, the second KH-9 HEXAGON lifted off from Vandenberg - carrying the most sophisticated reconnaissance system ever built by engineers who weren't allowed to say 'film,' 'camera,' or even talk to each other about what they were doing.

Space Brief 4 Sep 2024

Space Brief 4 Sep 2024

Today's brief highlights SpaceX's Starlink launch, the sale of Telesat's remote communications services, advancements in hypersonic missile tracking, and more on satellite imagery from the NGA.