Falcon 9 Completes GPS III Constellation for Space Force | KeepTrack X Report
SpaceX's Falcon 9 delivered GPS III SV-10 at 0653 UTC, capping Lockheed Martin's 10-satellite series as SpaceX eyes a $60B AI coding acquisition pre-IPO.
SDGSAT 1 (49387)
COSPAR: 2021-100A | Alt Name: SDGSAT-1
Image
Additional Sources
Launch Details
Launch Date
November 5, 2021
Launch Site
TAISC
Launch Pad
LC16
Launch Vehicle
Chang Zheng 6
Orbital Elements
NORAD ID
49387
International Designator
2021-100A
Epoch
Sat, 04 Jul 2026 06:58:04 GMT
Apogee
Calculating...
Perigee
Calculating...
Inclination
97.26°
Right Ascension
231.59°
Eccentricity
Calculating...
Argument of Perigee
201.48°
Period
94.79 min
Mean Motion
15.19 rev/day
Latitude
Calculating...
Longitude
Calculating...
Altitude
Calculating...
Velocity
Calculating...
Polar Plot
3D Visualization
Basic Satellite Info
Name
SDGSAT 1
Alternative Name
SDGSAT-1
Type
Payload
Status
Operational
Owner
CAS
Country
China
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 49387U 21100A 26185.29032488 .00000888 00000-0 45275-4 0 9994
2 49387 97.2613 231.5873 0008676 201.4849 158.6023 15.19190039258519
Source: Celestrak
Summary
SDGSAT 1 (also known as SDGSAT-1) is an Earth observation satellite launched by China on November 5, 2021, from the Taiyuan Satellite Launch Center using a Chang Zheng 6 launch vehicle. The spacecraft measures approximately 2 meters in length with a diameter of 1 meter and a span of 3 meters, featuring a box+pan shape configuration. It has a dry mass and launch mass both weighing 500 kilograms. SDGSAT 1 is owned by the Chinese Academy of Sciences (CAS) and manufactured by IMICAS. The satellite's mission involves Earth observation using its payload called Guangmu Diqiui Kexue Weixing, powered by deployable solar arrays and batteries.
Physical Characteristics
Length
2
Diameter
1
Span
3
Dry Mass
500
Launch Mass
500
Shape
Box+pan
Radar Cross Section
Unknown
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Guangmu Diqiui Kexue Weixing
Purpose
Earth observation
Mission
Earth observation
Manufacturer
IMICAS
Life Expectancy
Unknown
Bus
SDGSAT
Configuration
Unknown
Motor
Unknown
Equipment
Unknown
Power System
Deployable solar array, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
Map
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.
X Report 17 Aug 2025
SpaceX prepares for its 10th Starship test flight, set for August 24, as the FAA grants approval following earlier setbacks.
X Report 14 Feb 2025
Starship testing progresses at the Cape; Lynk Global secures funding amidst rising satellite competition.
The Dog They Never Planned to Bring Home
On April 14, 1958, Sputnik 2 burned up over the North Atlantic, carrying the remains of a stray dog from Moscow who had been dead for five months. The Soviet Union told the world she survived for days. It took forty-five years for the truth to come out.
Space Brief 29 May 2025
Today's brief covers a Japanese military satellite launch, new GPS satellite orders by the Space Force, and a Moog propulsion system contract, among other notable developments.
X Report 11 Apr 2025
SpaceX postpones a Starlink launch, Bell Canada targets Starlink subsidies, and questions around Elon Musk's involvement in a NASA appointment arise.
Space Brief 25 Jun 2025
Today's highlights include the launch of a U.S. military satellite via SpaceX, a new French defense agreement for satellite services, and the Missile Defense Agency's successful ICBM target tracking with long-range radar.
X Report 8 Sep 2025
The FAA has approved an increase in Falcon 9 launches while reviewing the environmental impacts of Starship launches in Florida, amidst growing community concerns on noise and other issues related to the Starship program.