Q: What was the purpose of SECOR 1?

A: SECOR 1 was a military geodetic satellite designed to support precise geodetic measurements and military applications, such as navigation and positioning.

Q: Who launched SECOR 1?

A: SECOR 1 was launched by the United States Army Corps of Engineers using a Thor-Agena D rocket from Vandenberg Space Launch Complex 1 East.

Q: What was the mass of SECOR 1?

A: SECOR 1 had a mass of 17.6 kilograms.

Q: What was the launch date of SECOR 1?

A: SECOR 1 was launched on January 11, 1964, at 20:07 UTC.

Q: What was the orbit of SECOR 1?

A: SECOR 1 operated in a low Earth orbit.

SECOR 1

American military geodetic satellite

Vehicle military_satellite Q9326066

Facts

15 properties

Instance of: military satellite, geodetic satellite^[2]
Launch date: 1964-01-11
Part of: SECOR^[5]
Country of origin: United States^[7]
Launch vehicle: Thor-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: Thor-Agena D^[6]
Sponsor: United States Army^[11]
Start point: Vandenberg Space Launch Complex 1 East^[12]
Type of orbit: low Earth orbit^[8]
UTC date of spacecraft launch: January 11, 1964^[9]

🏷️ Also known as

en EGRS 1 en SECOR 1 en SECOR 1B en Sequential Collation of Range 1 pl EGRS 1 pl SECOR 1 pl SECOR 1A

🔖 Identifiers · 5

Image (Wikimedia Commons): Secor1.jpg ↗
COSPAR ID: 1964-001C
Google Knowledge Graph ID: /g/122b4cz4
SCN: 00729
Wolfram Language entity code: Entity["Satellite", "00729"]

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

Thor-Agena D

Sponsor 1

United States Army

Type of orbit 1

low Earth orbit

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Summary

SECOR 1 is a military satellite^[1].

References

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

Direct Wikidata claims

[2] ↑ SECOR 1 — instance of (P31): geodetic satellite. wikidata.org.
[3] ↑ SECOR 1 — operator (P137): United States Army Corps of Engineers. wikidata.org.
[4] ↑ SECOR 1 — manufacturer (P176): Cubic Corporation. space.skyrocket.de. space.skyrocket.de. Provenance: wikidata.org.
[5] ↑ SECOR 1 — part of (P361): SECOR. wikidata.org.
[6] ↑ SECOR 1 — space launch vehicle (P375): Thor-Agena D. Jonathan's Space Report. wikidata.org.
[7] ↑ SECOR 1 — country of origin (P495): United States. wikidata.org.
[8] ↑ SECOR 1 — type of orbit (P522): low Earth orbit. wikidata.org.
[9] ↑ SECOR 1 — UTC date of spacecraft launch (P619): January 11, 1964. Jonathan's Space Report. wikidata.org.
[10] ↑ SECOR 1 — significant event (P793): rocket launch. Jonathan's Space Report. wikidata.org.
[11] ↑ SECOR 1 — sponsor (P859): United States Army. wikidata.org.
[12] ↑ SECOR 1 — start point (P1427): Vandenberg Space Launch Complex 1 East. Jonathan's Space Report. wikidata.org.
[13] ↑ SECOR 1 — mass (P2067): 17.6 kg. space.skyrocket.de. space.skyrocket.de. Provenance: wikidata.org.

Class ancestry

[1] ↑ SECOR 1 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 1. Retrieved May 3, 2026, from https://4ort.xyz/entity/secor-1

MLA “SECOR 1.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/secor-1.

BibTeX

@misc{4ortxyz_secor-1_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{SECOR 1}}, year = {2026}, url = {https://4ort.xyz/entity/secor-1}, note = {Accessed: 2026-05-03}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): SECOR 1 — https://4ort.xyz/entity/secor-1 (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/secor-1 · Last refreshed: May 3, 2026