# TUBSAT microsatellite bus
*bus . products*

Microsatellite platform used for LAPAN-TUBSAT / LAPAN-A1, based on the DLR-TUBSAT design and adapted with LAPAN/TU Berlin cooperation.

## Specifications
- **product status**: retired
- **deployment context**: orbital
- **manufacturer**: tu-berlin
- **bus**: {"form_factor":"45 x 45 x 27 cm microsatellite structure","platform_class":"micro"}
- **entity type**: bus
- **last verified date**: 2026-06-26
- **verified by**: community
- **claim status**: unclaimed
- **provider**: tu-berlin
- **attributes**: {"kind":"bus","product_status":"retired","deployment_context":"orbital","manufacturer":"tu-berlin","description":"Microsatellite platform used for LAPAN-TUBSAT / LAPAN-A1, based on the DLR-TUBSAT design and adapted with LAPAN/TU Berlin cooperation.","bus":"{\"form_factor\":\"45 x 45 x 27 cm microsatellite structure\",\"platform_class\":\"micro\"}"}
- **relevance**: in-scope

## Editorial
TUBSAT microsatellite bus is the platform used for LAPAN-TUBSAT / LAPAN-A1. The spacecraft is a 56 kg, 45 x 45 x 27 cm microsatellite built through LAPAN and TU Berlin cooperation for interactive Earth observation and technology transfer.[^wiki-lapan-tubsat][^gunter-lapan-a1] Its design heritage traces to DLR-TUBSAT and MAROC-TUBSAT, and the 56 kg spacecraft mass places the bus in the micro class.[^wiki-lapan-tubsat]

## Compositional position
- lapan-a1 (missions) --[mission_buses]--> TUBSAT microsatellite bus

## Sources
- [wiki-lapan-tubsat] | LAPAN-TUBSAT technical summary | https://de.wikipedia.org/wiki/LAPAN-TUBSAT | tier=community | accessed=2026-06-26
- [gunter-lapan-a1] | LAPAN-Tubsat / LAPAN A1, Gunter's Space Page | https://space.skyrocket.de/doc_sdat/lapan-tubsat.htm | tier=community | accessed=2026-06-26
  Lower-tier cross-check for spacecraft identity and mission history.

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Source: https://eo-atlas.org/products/bus/tubsat-microsatellite-bus
Maintainer: SpectraWorks B.V. (CC-BY 4.0)