What is a satellite bus?

A satellite bus is the general model or platform on which multiple-production spacecraft are often based. It serves as the infrastructure of a spacecraft, typically providing locations for the payload—which usually consists of space experiments or instruments—and includes the service module section of a spacecraft.

Who manufactures the S-Class bus?

The S-Class bus is manufactured by York Space Systems, an American company specializing in satellite bus development and small satellite manufacturing.

What are the physical specifications of the S-Class?

The S-Class bus measures 61 centimeters in both width and length, creating a compact cubic form factor suitable for small satellite deployments.

How much payload can the S-Class carry?

The S-Class bus can accommodate a payload mass of approximately 85 kilograms, making it suitable for carrying various space experiments, instruments, or equipment.

What power system does the S-Class use?

The S-Class bus is powered by a spacecraft solar array capable of generating 274 watts of electrical power to support bus operations and payload requirements.

S-Class

satellite bus developed by York Space Systems

Class type of: spacecraft bus Q136199211

Facts

8 properties

Instance of: spacecraft model
Subclass of: spacecraft bus^[3]
Country of origin: United States^[4]
Length: 61 centimetre^[6]
Manufacturer: York Space Systems^[2]
Payload mass: 85 kg^[8]
Powered by: spacecraft solar array^[5]
Width: 61 centimetre^[7]

🏷️ Also known as

en S-Class en S-Class bus

🔖 Identifiers · 1

Described at URL: www.yorkspacesystems.com

🔗 Connections

Country of origin 1

United States

spacecraft solar array

Subclass of 1

spacecraft bus

← Spacecraft bus 1

Bard

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Summary

S-Class is a spacecraft model^[1].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

[2] ↑ S-Class — manufacturer (P176): York Space Systems. wikidata.org.
[3] ↑ S-Class — subclass of (P279): spacecraft bus. wikidata.org.
[4] ↑ S-Class — country of origin (P495): United States. wikidata.org.
[5] ↑ S-Class — powered by (P516): spacecraft solar array. yorkspacesystems.com. yorkspacesystems.com. Provenance: wikidata.org.
[6] ↑ S-Class — length (P2043): 61 cm. yorkspacesystems.com. yorkspacesystems.com. Provenance: wikidata.org.
[7] ↑ S-Class — width (P2049): 61 cm. yorkspacesystems.com. yorkspacesystems.com. Provenance: wikidata.org.
[8] ↑ S-Class — payload mass (P4519): 85 kg. yorkspacesystems.com. yorkspacesystems.com. Provenance: wikidata.org.

Class ancestry

[1] ↑ S-Class is an instance of spacecraft model (Q117384800) [P31, primary]. Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). S-Class. Retrieved April 4, 2026, from https://4ort.xyz/entity/s-class-q136199211

MLA “S-Class.” 4ort.xyz Knowledge Graph, 4ort.xyz, 4 Apr. 2026, https://4ort.xyz/entity/s-class-q136199211.

BibTeX

@misc{4ortxyz_s-class-q136199211_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{S-Class}}, year = {2026}, url = {https://4ort.xyz/entity/s-class-q136199211}, note = {Accessed: 2026-04-04}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): S-Class — https://4ort.xyz/entity/s-class-q136199211 (retrieved 2026-04-04)

Canonical URL: https://4ort.xyz/entity/s-class-q136199211 · Last refreshed: April 4, 2026