X Report 6 Nov 2025
SpaceX successfully launched 29 Starlink satellites, marking the start of a busy month for their satellite deployment efforts. The mission is part of an ongoing expansion of their broadband internet constellation.
STTW-2 (18922)
COSPAR: 1988-014A | Alt Name: Zhongxing 1
Image
Additional Sources
Launch Details
Launch Date
March 7, 1988
Launch Site
XICLF
Launch Pad
LC3
Launch Vehicle
Chang Zheng 3
Orbital Elements
NORAD ID
18922
International Designator
1988-014A
Epoch
Fri, 03 Jul 2026 22:52:47 GMT
Apogee
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Perigee
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Inclination
13.25°
Right Ascension
339.57°
Eccentricity
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Argument of Perigee
174.73°
Period
1435.69 min
Mean Motion
1.00 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
STTW-2
Alternative Name
Zhongxing 1
Type
Payload
Status
Non-operational
Owner
CHIS
Country
China
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 18922U 88014A 26184.95332773 -.00000175 00000-0 00000-0 0 9997
2 18922 13.2490 339.5697 0004444 174.7284 193.2106 1.00300368140282
Source: Celestrak
Summary
STTW-2, also known as Zhongxing 1, is a communication satellite launched by China on March 7, 1988, from Xichang Satellite Launch Center (LC3) using the Chang Zheng 3 launch vehicle. It operates with a DFH-2 Bus configuration and is equipped with 2 C-band transponders for its mission. The spacecraft measures 1.6 meters in length, has a diameter of 2.1 meters, spans 2.1 meters, and has a dry mass and launch mass both at 460 kilograms. It utilizes solar cells and batteries as power sources. Manufactured by CAST, the satellite is owned by CHIS and its main purpose is communication. The shape of STTW-2 includes a cylindrical body with antennas attached, and it has an RCS (Reflective Cross Section) value of 10.0237.
Physical Characteristics
Length
1.6
Diameter
2.1
Span
2.1
Dry Mass
460
Launch Mass
460
Shape
Cyl + Ant
Radar Cross Section
10.0237
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
DFH-2A
Purpose
Communication
Mission
Communication
Manufacturer
CAST
Life Expectancy
Unknown
Bus
DFH-2
Configuration
DFH-2 Bus
Motor
AKM
Equipment
2 C-band transponders
Power System
Solar cells, batteries
ADCS
Unknown
Transmitter Frequency
Unknown
Map
Next Pass
Azimuth Elevation Time (Local)
Start Azimuth
Max Elevation
Stop Azimuth
Time Until
Pass Duration
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