Q: What was Kedr used for?

A: Kedr was an amateur radio minisatellite designed for communication purposes, particularly as part of the ARISS program, which facilitates educational and amateur radio activities in space.

Q: When was Kedr launched?

A: Kedr was launched on January 28, 2011, aboard a Soyuz-U rocket.

Q: How long did Kedr operate?

A: Kedr remained operational until its atmospheric re-entry on January 4, 2012, a span of about nine months.

Q: What were its other names?

A: Kedr was also known as RadioSkaf-V and ARISSSat-1.

Q: What was its COSPAR ID?

A: Its COSPAR ID was 1998-067CK.

Kedr

Russian amateur radio minisatellite

Thing amateur_radio_satellite Q3544994

Facts

7 properties

Instance of: amateur radio satellite
Launch date: 2011-01-28
Launch vehicle: Soyuz-U
Significant event: rocket launch, atmospheric entry^[5]^[6]
Space launch vehicle: Soyuz-U^[2]
Time of object orbit decay: January 4, 2012^[4]
UTC date of spacecraft launch: January 28, 2011^[3]

🏷️ Also known as

en RadioSkaf-V en ARISSSat-1 en Kedr de ARISSat-1 fi ARRISSat ja ケドル ru Кедр

🔖 Identifiers · 4

Image (Wikimedia Commons): ARIS AMSAT.jpg ↗
COSPAR ID: 1998-067CK
Freebase ID: /m/0gff70j
SCN: 37772

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🔗 Connections

Significant event 2

atmospheric entry, rocket launch

Instance of 1

amateur radio satellite

Space launch vehicle 1

Soyuz-U

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Summary

Kedr is an amateur radio satellite^[1].

⭐ Popularity Graph

7/100 long tail

🌐 Wiki Languages

8 / 428 langs

📈 Wikipedia Views · last 12 months

660 views trend: hourly, last 40h

🌐 Available in 6 languages

enKedr deARISSat-1 fiARRISSat plKedr ptKedr ruКедр (спутник)

References

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

Direct Wikidata claims

[2] ↑ Kedr — space launch vehicle (P375): Soyuz-U. Jonathan's Space Report. wikidata.org.
[3] ↑ Kedr — UTC date of spacecraft launch (P619): January 28, 2011. Jonathan's Space Report. wikidata.org.
[4] ↑ Kedr — time of object orbit decay (P621): January 4, 2012. wikidata.org.
[5] ↑ Kedr — significant event (P793): rocket launch. Jonathan's Space Report. wikidata.org.
[6] ↑ Kedr — significant event (P793): atmospheric entry. wikidata.org.

Class ancestry

[1] ↑ Kedr is an instance of amateur radio satellite (Q455647) [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). Kedr. Retrieved November 2, 2026, from https://4ort.xyz/entity/kedr

MLA “Kedr.” 4ort.xyz Knowledge Graph, 4ort.xyz, 2 Nov. 2026, https://4ort.xyz/entity/kedr.

BibTeX

@misc{4ortxyz_kedr_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Kedr}}, year = {2026}, url = {https://4ort.xyz/entity/kedr}, note = {Accessed: 2026-11-02}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Kedr — https://4ort.xyz/entity/kedr (retrieved 2026-11-02)

Canonical URL: https://4ort.xyz/entity/kedr · Last refreshed: November 2, 2026