Q: What was the purpose of SECOR 13?

A: SECOR 13 was part of the SECOR program, which aimed to provide precise positioning data for military and geodetic applications by transmitting signals from satellites to ground stations.

Q: Who launched SECOR 13?

A: SECOR 13 was launched by the United States Army Corps of Engineers using a Thorad-Agena D rocket from Vandenberg Space Launch Complex 2 East.

Q: What was the mass of SECOR 13?

A: The satellite had a mass of 17.6 kilograms.

Q: What type of orbit did SECOR 13 operate in?

A: SECOR 13 operated in a low Earth orbit.

Q: What was the significance of the SECOR program?

A: The SECOR program was significant for its role in military geodesy, providing precise positioning data for navigation and mapping purposes.

SECOR 13

American military geodetic satellite

Vehicle military_satellite Q16320617

Facts

15 properties

Instance of: military satellite, geodetic satellite^[2]
Launch date: 1969-04-14
Part of: SECOR^[5]
Country of origin: United States^[7]
Launch vehicle: Thorad-Agena D
Manufacturer: Cubic Corporation^[4]
Mass: 17.6 kg^[13]
Operator: United States Army Corps of Engineers^[3]
Satellite of: low Earth orbit
Significant event: rocket launch^[10]
Space launch vehicle: Thorad-Agena D^[6]
Sponsor: United States Army^[11]
Start point: Vandenberg Space Launch Complex 2 East^[12]
Type of orbit: low Earth orbit^[8]
UTC date of spacecraft launch: April 14, 1969^[9]

🏷️ Also known as

en EGRS 13 en S69-2 en SECOR 13 en Sequential Collation of Range 13 hu Secor–13

🔖 Identifiers · 4

Image (Wikimedia Commons): Secor1.jpg ↗
COSPAR ID: 1969-037B
SCN: 03891
Wolfram Language entity code: Entity["Satellite", "03891"]

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

🔗 Connections

Instance of 2

military satellite, geodetic satellite

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

Thorad-Agena D

Sponsor 1

United States Army

Type of orbit 1

low Earth orbit

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Summary

SECOR 13 is a military satellite^[1].

References

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

Direct Wikidata claims

[2] ↑ SECOR 13 — instance of (P31): geodetic satellite. wikidata.org.
[3] ↑ SECOR 13 — operator (P137): United States Army Corps of Engineers. wikidata.org.
[4] ↑ SECOR 13 — manufacturer (P176): Cubic Corporation. space.skyrocket.de. space.skyrocket.de. Provenance: wikidata.org.
[5] ↑ SECOR 13 — part of (P361): SECOR. wikidata.org.
[6] ↑ SECOR 13 — space launch vehicle (P375): Thorad-Agena D. Jonathan's Space Report. wikidata.org.
[7] ↑ SECOR 13 — country of origin (P495): United States. wikidata.org.
[8] ↑ SECOR 13 — type of orbit (P522): low Earth orbit. wikidata.org.
[9] ↑ SECOR 13 — UTC date of spacecraft launch (P619): April 14, 1969. Jonathan's Space Report. wikidata.org.
[10] ↑ SECOR 13 — significant event (P793): rocket launch. Jonathan's Space Report. wikidata.org.
[11] ↑ SECOR 13 — sponsor (P859): United States Army. wikidata.org.
[12] ↑ SECOR 13 — start point (P1427): Vandenberg Space Launch Complex 2 East. Jonathan's Space Report. wikidata.org.
[13] ↑ SECOR 13 — mass (P2067): 17.6 kg. space.skyrocket.de. space.skyrocket.de. Provenance: wikidata.org.

Class ancestry

[1] ↑ SECOR 13 is an instance of military satellite (Q973887) [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). SECOR 13. Retrieved May 3, 2026, from https://4ort.xyz/entity/secor-13

MLA “SECOR 13.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/secor-13.

BibTeX

@misc{4ortxyz_secor-13_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{SECOR 13}}, year = {2026}, url = {https://4ort.xyz/entity/secor-13}, note = {Accessed: 2026-05-03}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): SECOR 13 — https://4ort.xyz/entity/secor-13 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/secor-13 · Last refreshed: May 3, 2026