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SJ-7 (28737)
COSPAR: 2005-024A | Alt Name: Shi Jian 7
Image
Additional Sources
Launch Details
Launch Date
July 5, 2005
Launch Site
JSC
Launch Pad
LC603
Launch Vehicle
Chang Zheng 2D
Orbital Elements
NORAD ID
28737
International Designator
2005-024A
Epoch
Fri, 03 Jul 2026 14:18:34 GMT
Apogee
Calculating...
Perigee
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Inclination
97.73°
Right Ascension
215.14°
Eccentricity
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Argument of Perigee
341.00°
Period
94.63 min
Mean Motion
15.22 rev/day
Latitude
Calculating...
Longitude
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Altitude
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Velocity
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Polar Plot
3D Visualization
Basic Satellite Info
Name
SJ-7
Alternative Name
Shi Jian 7
Type
Payload
Status
Operational
Owner
CASC
Country
China
Constellation
N/A
Related Satellites
Major Events
N/A
Latest TLEs
1 28737U 05024A 26184.59622724 .00008571 00000-0 37976-3 0 9992
2 28737 97.7273 215.1431 0014548 340.9960 19.0731 15.21792411150521
Source: Celestrak
Summary
The SJ-7 (Shi Jian 7) satellite, with NORAD ID 28737 and OBJECT_ID 2005-024A, was launched on July 5, 2005, from Jiuquan Satellite Launch Center (JSC), using the Chang Zheng 2D launch vehicle. The satellite is owned by China Aerospace Science and Industry Corporation (CASC) and manufactured by Shanghai Academy of Spaceflight Technology (SAST). It has a dry mass of 1000 kg, measures 1.4 meters in length and diameter, with an 8.6-meter span. Equipped with two deployable solar arrays and batteries for power, the satellite is designed primarily for technology demonstration purposes. Its shape consists of a box with two panels and has a radar cross-section (RCS) of 3.0739 square meters. The payload includes Tansuo-2, intended to further technological advancements in space applications.
Physical Characteristics
Length
1.4
Diameter
1.4
Span
8.6
Dry Mass
1000
Launch Mass
1000
Shape
Box + 2 Pan
Radar Cross Section
3.0739
Visual Magnitude
Unknown
Color
Unknown
Material Composition
Unknown
Technical Details
Payload
Tansuo-2
Purpose
Technology
Mission
Technology
Manufacturer
SAST
Life Expectancy
Unknown
Bus
FY-1
Configuration
Unknown
Motor
Unknown
Equipment
Unknown
Power System
2 deployable solar arrays, 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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