# GHGSat-C 3D model

> Shape built from published dimensions and pictures; details simplified.

Free 3D model of GHGSat-C, a satellite, built from published dimensions by Space Radar. 4,366 triangles, 46 kB glTF, MIT.

- **Class:** Satellites
- **Mission:** Earth observation
- **Triangles:** 4,366
- **File:** ghgsat-c.glb, 46 kB, glTF 2.0 binary (meshopt)
- **Look:** Physically based
- **Size:** 0.4 m across
- **Made:** Built from dimensions
- **Added:** 2026-10-27
- **NORAD:** 46278, 47509, 52737, 52744, 52746, 56186, 56204, 56209, 64529, 64548
- **Download:** https://raw.githubusercontent.com/Sara-Managed-Projects/space-radar/main/site/models/ghgsat-c.glb
- **Mirror:** https://git.sara-agent.org/sara-projects/space-radar/raw/branch/main/site/models/ghgsat-c.glb
- **Viewer:** https://www.spaceradar.ai/model/?id=ghgsat-c
- **On the live map:** https://www.spaceradar.ai/#at=sat-46278
- **Licence:** MIT (https://github.com/Sara-Managed-Projects/space-radar/blob/main/LICENSE)
- **Credit:** GHGSat-C 3D model by Space Radar (spaceradar.ai), MIT License

Canonical: https://models.spaceradar.ai/ghgsat-c/

## 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 eoPortal's published dimensions; compared with the operator's pictures, looked at only.

built by this project in code (release 1.3.0's part library, lib.py and parts.py, kept with the stage's notes in ~/space-radar-handoff/release-1.4/r14-m5/build, one script a craft), 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 2026-10-27) has none of this craft, and no operator of it was found to publish a model under a free licence (searched 2026-10-27)

## Dimensions

- Length: 0.4 m
- Width: 0.3 m
- Depth: 0.2 m
- Mass: 16 kg

Source: eoPortal, https://www.eoportal.org/satellite-missions/ghgsat-con, OPENED 2026-10-27: 'The nominal volume is 20 x 30 x 40 cm'; 'The GHGSat-C1 will have a mass of ~16 kg'; 'two trays and six panels'; 'Each 15 kg satellite is based on the low-cost, high-performance ... NEMO bus'; the labelled figure names the main payload, an auxiliary camera, Darkstar, a radiator, UHF antennas, a sun sensor, an S-band antenna, a GPS antenna and solar cells. OURS: the tube's diameter and length, the cell counts, the radiator's and Darkstar's size, the whips' length and angle

## References

- [GHGSat-C1 exterior solid model (eoPortal figure 3)](https://www.eoportal.org/satellite-missions/ghgsat-con), UTIAS/SFL (looked at only; not free)
- [Artist's rendition of GHGSat-C1/-C2 on orbit (eoPortal figure 8)](https://www.eoportal.org/satellite-missions/ghgsat-con), UTIAS/SFL, GHGSat (looked at only; not free)
- [GHGSat-D structure exploded view (eoPortal figure 2)](https://www.eoportal.org/satellite-missions/ghgsat-con), UTIAS/SFL (looked at only; not free)