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Orbiting Astronomical Observatory B

NASA space observatory launched in 1970, lost when rocket fairing failed to separate
Vehicle Space Telescope Q112913694

Facts

20 properties
Instance of
space telescope, former entity[3]
Country
United States[2]
Follows
Orbiting Astronomical Observatory 2[6]
Followed by
Orbiting Astronomical Observatory 3[7]
Launch date
1970-11-30
Part of
Orbiting Astronomical Observatory[9]
Capital cost
98,000,000 USD[19]
Country of origin
United States[11]
Dissolved, abolished or demolished
November 30, 1970[13]
Dissolved, abolished or demolished date
1970-11-30
Launch vehicle
Atlas SLV-3C Centaur-D
Manufacturer
Grumman[8]
Mass
2,122.8 kg[18]
Named after
Robert H. Goddard[5]
Operator
National Aeronautics and Space Administration[4]
Powered by
spacecraft solar array[12]
Significant event
rocket launch, launch failure[15][16]
Space launch vehicle
Atlas SLV-3C Centaur-D[10]
Start point
Cape Canaveral Launch Complex 36[17]
UTC date of spacecraft launch
November 30, 1970[14]
🏷️ Also known as
en Orbiting Astronomical Observatory B
🔖 Identifiers · 2
Image (Wikimedia Commons)
OAO-B.jpg ↗
NSSDCA ID
OAO-B

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

🔗 Connections
Instance of 2
space telescope, former entity
Belongs to 1
Orbiting Astronomical Observatory
Country 1
United States
Country of origin 1
United States
Manufacturer 1
Grumman
Named after 1
Robert H. Goddard
Operator 1
National Aeronautics and Space Administration
Part of 1
Orbiting Astronomical Observatory
Powered by 1
spacecraft solar array
Significant event 1
rocket launch
Space launch vehicle 1
Atlas SLV-3C Centaur-D
Start point 1
Cape Canaveral Launch Complex 36
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Summary

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

Related Entities

Atlas SLV-3C Centaur-D former entity Grumman Orbiting Astronomical Observatory Robert H. Goddard space telescope United States

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] ↑ . wikidata.org.
  3. [4] ↑ . space.skyrocket.de. space.skyrocket.de. Provenance: wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . space.skyrocket.de. space.skyrocket.de. Provenance: wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . Jonathan's Space Report. space.skyrocket.de. Provenance: wikidata.org.
  10. [11] ↑ . space.skyrocket.de. space.skyrocket.de. Provenance: wikidata.org.
  11. [12] ↑ . space.skyrocket.de. space.skyrocket.de. Provenance: wikidata.org.
  12. [13] ↑ . nssdc.gsfc.nasa.gov. nssdc.gsfc.nasa.gov. Provenance: wikidata.org.
  13. [14] ↑ . Jonathan's Space Report. wikidata.org.
  14. [15] ↑ . Jonathan's Space Report. wikidata.org.
  15. [16] ↑ . space.skyrocket.de. space.skyrocket.de. Provenance: wikidata.org.
  16. [17] ↑ . Jonathan's Space Report. wikidata.org.
  17. [18] ↑ . nssdc.gsfc.nasa.gov. nssdc.gsfc.nasa.gov. Provenance: wikidata.org.
  18. [19] ↑ . nytimes.com. nytimes.com. Provenance: 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). Orbiting Astronomical Observatory B. Retrieved May 3, 2026, from https://4ort.xyz/entity/orbiting-astronomical-observatory-b
MLA “Orbiting Astronomical Observatory B.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/orbiting-astronomical-observatory-b.
BibTeX @misc{4ortxyz_orbiting-astronomical-observatory-b_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Orbiting Astronomical Observatory B}}, year = {2026}, url = {https://4ort.xyz/entity/orbiting-astronomical-observatory-b}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Orbiting Astronomical Observatory B — https://4ort.xyz/entity/orbiting-astronomical-observatory-b (retrieved 2026-05-03)

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