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Orbiting Astronomical Observatory 2

NASA space observatory launched in 1968
Thing Space Telescope Q15261041
Orbiting Astronomical Observatory 2
NASA · Public Domain · Wikimedia

Facts

17 properties
Instance of
space telescope
Country
United States[2]
Follows
OAO 1[4]
Followed by
Orbiting Astronomical Observatory B[5]
Part of
Orbiting Astronomical Observatory[7]
Country of origin
United States[9]
Diameter
2 m[18]
Height
3 m[16]
Manufacturer
Grumman[6]
Mass
2,012 kg[17]
Operator
National Aeronautics and Space Administration[3]
Power consumed
450 watt[19]
Powered by
spacecraft solar array, nickel–cadmium battery[10][11]
Significant event
rocket launch, spacecraft decommissioning[13][14]
Space launch vehicle
Atlas SLV-3C Centaur-D[8]
Start point
Cape Canaveral Launch Complex 36[15]
UTC date of spacecraft launch
December 7, 1968[12]
🏷️ Also known as
ar مرصد المدار الفلكي 2 ar مرصد المدار الفلكي ٢ id Orbiting Astronomical Observatory 2 ja OAO2号 zh 軌道天文台2號
🔖 Identifiers · 5
COSPAR ID
1968-110A
Encyclopædia Britannica Online ID
topic/Orbiting-Astronomical-Observatory-2
Freebase ID
/m/0y6cggp
NSSDCA ID
1968-110A
SCN
03597

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Summary

Orbiting Astronomical Observatory 2 is a space telescope[1].

References

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

Direct Wikidata claims

  1. [2] ↑ . space.skyrocket.de. space.skyrocket.de. Provenance: wikidata.org.
  2. [3] ↑ . space.skyrocket.de. space.skyrocket.de. Provenance: wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . space.skyrocket.de. space.skyrocket.de. Provenance: wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . Jonathan's Space Report. space.skyrocket.de. Provenance: wikidata.org.
  8. [9] ↑ . space.skyrocket.de. space.skyrocket.de. Provenance: wikidata.org.
  9. [10] ↑ . An Overview of the Orbiting Astronomical Observatory. space.skyrocket.de. Provenance: wikidata.org.
  10. [11] ↑ . An Overview of the Orbiting Astronomical Observatory. wikidata.org.
  11. [12] ↑ . Jonathan's Space Report. wikidata.org.
  12. [13] ↑ . Jonathan's Space Report. wikidata.org.
  13. [14] ↑ . nasa.gov. nasa.gov. Provenance: wikidata.org.
  14. [15] ↑ . Jonathan's Space Report. wikidata.org.
  15. [16] ↑ . An Overview of the Orbiting Astronomical Observatory. wikidata.org.
  16. [17] ↑ . nasa.gov. nasa.gov. Provenance: wikidata.org.
  17. [18] ↑ . An Overview of the Orbiting Astronomical Observatory. wikidata.org.
  18. [19] ↑ . An Overview of the Orbiting Astronomical Observatory. wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

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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). Orbiting Astronomical Observatory 2. Retrieved November 11, 2026, from https://4ort.xyz/entity/orbiting-astronomical-observatory-2
MLA “Orbiting Astronomical Observatory 2.” 4ort.xyz Knowledge Graph, 4ort.xyz, 11 Nov. 2026, https://4ort.xyz/entity/orbiting-astronomical-observatory-2.
BibTeX @misc{4ortxyz_orbiting-astronomical-observatory-2_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Orbiting Astronomical Observatory 2}}, year = {2026}, url = {https://4ort.xyz/entity/orbiting-astronomical-observatory-2}, note = {Accessed: 2026-11-11}}
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