Home › Entities › military_satellite › STSS-ATRR

STSS-ATRR

technology demonstration satellite operated by the U.S. Missile Defense Agency
Vehicle military_satellite Q7865678

Facts

14 properties
Instance of
military satellite, technology demonstration spacecraft[3]
Country
United States[2]
Launch date
2009-05-05
Country of origin
United States[8]
Launch vehicle
Delta II
Manufacturer
Northrop Grumman Corporation, General Dynamics Mission Systems[5][6]
Operator
Missile Defense Agency[4]
Satellite of
Sun-synchronous orbit
Significant event
rocket launch[12]
Space launch vehicle
Delta II[7]
Spacecraft bus
LEOStar-3[11]
Start point
Vandenberg Space Launch Complex 2 West[13]
Type of orbit
Sun-synchronous orbit[9]
UTC date of spacecraft launch
May 5, 2009[10]
🏷️ Also known as
en Space Tracking and Surveillance System Advanced Technology Risk Reduction en STSS-ATRR en STSS Block 2010 Risk Reduction en USA-205
🔖 Identifiers · 6
Image (Wikimedia Commons)
Delta II Launch sucessful (090502-F-0000X-001).jpg ↗
COSPAR ID
2009-023A
Freebase ID
/m/05zhy3l
NSSDCA ID
2009-023A
SCN
34903
Wolfram Language entity code
Entity["Satellite", "34903"]

Report an error or request removal Lineage (PROV-JSON)

🔗 Connections
Instance of 2
military satellite, technology demonstration spacecraft
Country 1
United States
Country of origin 1
United States
Manufacturer 1
Northrop Grumman Corporation
Operator 1
Missile Defense Agency
Significant event 1
rocket launch
Space launch vehicle 1
Delta II
Spacecraft bus 1
LEOStar-3
Type of orbit 1
Sun-synchronous orbit
Press Enter · cited answer in seconds

Summary

STSS-ATRR is a military satellite[1].

Related Entities

Delta II LEOStar-3 military satellite Northrop Grumman Corporation technology demonstration spacecraft United States

References

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

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . space.skyrocket.de. space.skyrocket.de. Provenance: wikidata.org.
  4. [5] ↑ . space.skyrocket.de. space.skyrocket.de. Provenance: wikidata.org.
  5. [6] ↑ . space.skyrocket.de. space.skyrocket.de. Provenance: wikidata.org.
  6. [7] ↑ . Jonathan's Space Report. wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . Jonathan's Space Report. wikidata.org.
  10. [11] ↑ . space.skyrocket.de. space.skyrocket.de. Provenance: wikidata.org.
  11. [12] ↑ . Jonathan's Space Report. wikidata.org.
  12. [13] ↑ . Jonathan's Space Report. wikidata.org.

Class ancestry

  1. [1] ↑ . 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). STSS-ATRR. Retrieved November 3, 2026, from https://4ort.xyz/entity/stss-atrr
MLA “STSS-ATRR.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 Nov. 2026, https://4ort.xyz/entity/stss-atrr.
BibTeX @misc{4ortxyz_stss-atrr_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{STSS-ATRR}}, year = {2026}, url = {https://4ort.xyz/entity/stss-atrr}, note = {Accessed: 2026-11-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): STSS-ATRR — https://4ort.xyz/entity/stss-atrr (retrieved 2026-11-03)

Canonical URL: https://4ort.xyz/entity/stss-atrr · Last refreshed: