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SECOR 4

American military geodetic satellite
Vehicle military_satellite Q9326067

Facts

18 properties
Instance of
military satellite, geodetic satellite[2]
Launch date
1965-04-03
Part of
SECOR[5]
Country of origin
United States[7]
Height
25.2 centimetre[15]
Launch vehicle
Atlas SLV-3 Agena-D
Length
34.9 centimetre[14]
Manufacturer
Cubic Corporation[4]
Mass
17.6 kg[17]
Operator
United States Army Corps of Engineers[3]
Satellite of
low Earth orbit
Significant event
rocket launch[10]
Space launch vehicle
Atlas SLV-3 Agena-D[6]
Sponsor
United States Army, United States Air Force[11][12]
Start point
Vandenberg Space Launch Complex 4 East[13]
Type of orbit
low Earth orbit[8]
UTC date of spacecraft launch
April 3, 1965[9]
Width
29.8 centimetre[16]
🏷️ Also known as
en EGRS 4 en SECOR 4 en Sequential Collation of Range 4
🔖 Identifiers · 4
Image (Wikimedia Commons)
Secor1.jpg ↗
COSPAR ID
1965-027B
SCN
01315
Wolfram Language entity code
Entity["Satellite", "01315"]

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

🔗 Connections
Instance of 2
military satellite, geodetic satellite
Sponsor 2
United States Air Force, United States Army
Country of origin 1
United States
Manufacturer 1
Cubic Corporation
Operator 1
United States Army Corps of Engineers
Part of 1
SECOR
Significant event 1
rocket launch
Space launch vehicle 1
Atlas SLV-3 Agena-D
Type of orbit 1
low Earth orbit
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Summary

SECOR 4 is a military satellite[1].

Related Entities

Atlas SLV-3 Agena-D geodetic satellite military satellite 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] ↑ . wikidata.org.
  5. [6] ↑ . Jonathan's Space Report. wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . Jonathan's Space Report. wikidata.org.
  9. [10] ↑ . Jonathan's Space Report. wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . Jonathan's Space Report. wikidata.org.
  13. [14] ↑ . space.skyrocket.de. space.skyrocket.de. Provenance: wikidata.org.
  14. [15] ↑ . space.skyrocket.de. space.skyrocket.de. Provenance: wikidata.org.
  15. [16] ↑ . space.skyrocket.de. space.skyrocket.de. Provenance: wikidata.org.
  16. [17] ↑ . space.skyrocket.de. space.skyrocket.de. 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). SECOR 4. Retrieved May 3, 2026, from https://4ort.xyz/entity/secor-4
MLA “SECOR 4.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/secor-4.
BibTeX @misc{4ortxyz_secor-4_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{SECOR 4}}, year = {2026}, url = {https://4ort.xyz/entity/secor-4}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): SECOR 4 — https://4ort.xyz/entity/secor-4 (retrieved 2026-05-03)

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