CSES
Shape built from published dimensions and pictures; details simplified.
Turn it in 3D

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The viewer loads when you ask: about 700 kB the first time (three.js and the model), much less after.
Pictures 4
About this model
CSES is one of the 203 3D models Space Radar made itself: a satellite, built in code from published dimensions and photographs, with no image-to-3D generator and no one else’s mesh.
Shape built from published dimensions and pictures; details simplified. It has 4,062 triangles in a 35 kB glTF file, and is 4.5 m across at full scale.
On Space Radar’s live map it is drawn for the object with NORAD catalogue number 43194, where its published orbit puts it now. Open it on the map.
Dimensions and their sources
| Measure | Value |
|---|---|
| Cube | 1.4 m |
| Mass | 730 kg |
| Efd boom | 4.5 m |
| Langmuir boom | 0.5 m |
eoPortal, eoportal.org/satellite-missions/cses, OPENED 2026-10-26: 'CSES is a 3-axes stabilized satellite, based on the Chinese CAST2000 platform, with a mass of about 730 kg, a size of 1.4 x 1.4 x 1.4 m, and is fitted with a lone deployable solar array.'; 'It consists of about four meter long independent identical spherical sensors (60 mm) installed at the tips of four booms (4.5m long, in tetrahedral orientation)'; 'a pair of spherical Langmuir Probes with diameters of 5 cm and 1 cm, respectively, installed at the tip of booms 50 cm long'; 2025 update: 'the Plasma Analyzer Package (PAP-02) replaces the original Langmuir Probe'. OURS: the wing's three panels 4.2 x 1.2 m, the magnetometer boom's 4.6 m, the ring's size, the instruments' boxes.
How it was made
Built in code from published dimensions and photographs, with no image-to-3D generator and no one else’s mesh. 3D model: built by Space Radar from published dimensions (no free picture of the craft).
The full record
built by this project in code (the private tool model-from-images: assemble.py, from a yaml of primitives), from the cited dimensions and the pictures under `references`; no image-to-3D model was used, and no published mesh (NASA's 3D Resources, 1 583 paths read 2026-10-26, and NASA Science's resources have none of this craft; the agency pages were searched, and no agency model of it under usable terms was found); no CSES picture is in the file: the collaboration's labelled illustration and artist's views (eoPortal Figures 0, 12, 13, 15) were looked at only
Where the map uses it. NORAD 43194, ZHANGHENG 1-01 (CSES-1), and 64393, ZHANGHENG 1-02 (CSES-2), in the live saved data of 2026-10-12: the China-Italy seismo-electromagnetic satellites on the CAST2000 platform, a 1.4 m cube with one three-panel wing, four 4.5 m electric-field booms and a magnetometer boom. They wore the shape of their class; public #1105. The second (2025) carries the same platform with other instruments, eoPortal: the same shape is drawn
Licence note. This project's own shape, under this repository's licence, built from published numbers (facts). NO FREE PICTURE OF THE CRAFT WAS FOUND (Commons has two photographs of one instrument's flight model, CC BY 3.0 and CC BY 4.0, which show nothing of the craft): the collaboration's pictures as shown by eoPortal were looked at only (named under references) and nothing of them is in the file. NO LOGO AND NO LETTERING is on the mesh.
References 1
What the shape was compared with. None of these pictures is in the file.
- csesCSES collaborationCSES collaboration pictures as shown by eoPortal: LOOKED AT ONLY, never fetched by the tool and on no sheet
Use it
The model is under the MIT licence: use it, change it and share it, in any project, also a paid one. Keep the credit:
CSES 3D model by Space Radar (spaceradar.ai), MIT LicenseAny glTF 2.0 loader that reads meshopt compression (EXT_meshopt_compression) opens the file: three.js with its MeshoptDecoder, Babylon.js, model-viewer. Tools such as glTF-Transform can write an uncompressed copy.
Or embed the viewer in your page:
<iframe src="https://www.spaceradar.ai/model/?id=cses" title="CSES, 3D model by Space Radar" width="600" height="450" loading="lazy" style="border:0;max-width:100%"></iframe>Related models
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Shape built from published dimensions and pictures; details simplified.


