CHECKMATE 7 (56166)

COSPAR: 2023-050E | Alt Name: Checkmate 7

Image
CHECKMATE 7 Satellite Image
Additional Sources
Launch Details

Launch Date

April 2, 2023

Launch Site

AFWTR

Launch Pad

SLC4E

Launch Vehicle

Falcon 9

Orbital Elements

NORAD ID

56166

International Designator

2023-050E

Epoch

Sun, 19 Jul 2026 20:21:34 GMT

Apogee

Calculating...

Perigee

Calculating...

Inclination

81.00°

Right Ascension

39.68°

Eccentricity

Calculating...

Argument of Perigee

221.17°

Period

103.77 min

Mean Motion

13.88 rev/day

Latitude

Calculating...

Longitude

Calculating...

Altitude

Calculating...

Velocity

Calculating...

Polar Plot
3D Visualization
Basic Satellite Info

Name

CHECKMATE 7

Alternative Name

Checkmate 7

Type

Payload

Status

Operational

Owner

SDA

Country

United States

Constellation

N/A

Related Satellites

Major Events

N/A

Latest TLEs
1 56166U 23050E   26200.84831154  .00000030  00000+0  15645-4 0  9995
2 56166  80.9980  39.6820 0014265 221.1653 138.8430 13.87729340166640

Source: Celestrak

Summary
The satellite CHECKMATE 7 (OBJECT_ID: 2023-050E) is a US spacecraft belonging to the S-Class category and was launched on April 2, 2023, from AFWTR using Falcon 9 at Launch Pad SLC4E. The satellite has dimensions of 1 meter in length, 0.6 meters in diameter, and spans 2 meters. It has a dry mass of 300 kilograms and was manufactured by YORKSS for the Space Development Agency (SDA). Its payload is designated as SDA-0A TPL York-07, and its shape consists of a box with panels. The satellite's name alternately appears as Checkmate 7.
Physical Characteristics

Length

1

Diameter

0.6

Span

2

Dry Mass

300

Launch Mass

300

Shape

Box + panels

Radar Cross Section

Unknown

Visual Magnitude

Unknown

Color

Unknown

Material Composition

Unknown

Technical Details

Payload

SDA-0A TPL York-07

Purpose

Unknown

Mission

Unknown

Manufacturer

YORKSS

Life Expectancy

Unknown

Bus

S-Class

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.

Kratos Wins $446M Space Force Missile-Warning Contract | KeepTrack Space Brief

Kratos Wins $446M Space Force Missile-Warning Contract | KeepTrack Space Brief

Kratos Defense awarded $446M Space Force contract for RMWT missile-warning ground systems. Rocket Lab secures $190M Pentagon deal for 20 hypersonic test flights.

Starlink Restrictions Disrupt Russian Battlefield Communications | KeepTrack Space Brief

Starlink Restrictions Disrupt Russian Battlefield Communications | KeepTrack Space Brief

Starlink restrictions reportedly hit Moscow's drone coordination and frontline comms. SpaceX and xAI enter Pentagon's $100M drone contest. Sentinel ICBM to clear key review this year.

The Day America Entered the Space Age

The Day America Entered the Space Age

Sixty-seven years ago, a slender rocket carried America's first satellite into orbit, discovering a mysterious feature of our planet that would change our understanding of space forever

SpaceX Stock Jumps 19% on Nasdaq Debut, X Report 15 Jun 2026

SpaceX Stock Jumps 19% on Nasdaq Debut, X Report 15 Jun 2026

SpaceX stock surged 19% on its Nasdaq debut as Musk targets $1 trillion revenue by 2030. Starlink 17-54 marks the 1,500th satellite launched in 2026.

Starlink Constellation Size Hits 9,931, X Report 7 Mar 2026

Starlink Constellation Size Hits 9,931, X Report 7 Mar 2026

Starlink constellation size in 2026: 9,931 satellites in orbit, 9,920 working from 11,463 launched. Starlink 17-18 adds 25 more from Vandenberg.

X Report 25 Apr 2025

X Report 25 Apr 2025

SpaceX launches Starlink satellites successfully, while Starbase inches closer to city status and business discussions intensify.

York Space Goes Public at $629M, Cold War JUMPSEAT Spy Satellites Declassified | KeepTrack Space Brief

York Space Goes Public at $629M, Cold War JUMPSEAT Spy Satellites Declassified | KeepTrack Space Brief

York Space raises $629M in IPO to expand satellite manufacturing. NRO declassifies Cold War-era JUMPSEAT spy satellites. Lockheed to boost THAAD interceptor production from 96 to 400 per year.

Space Brief 23 Sep 2025

Space Brief 23 Sep 2025

Explore the latest in satellite launches and space reconnaissance as Lockheed Martin, SpaceX, and military entities push forward with innovative missions. A new propulsion clean room marks growth in satellite tech.