A: TOPO 1 is an artificial satellite specifically designed for geodetic purposes. It was launched in 1970 to contribute to the research and application of geodesy.

Q: When was TOPO 1 launched?

A: TOPO 1 was launched on April 8, 1970. This event occurred at Vandenberg Space Launch Complex 2.

Q: What type of satellite is TOPO 1?

A: TOPO 1 is a geodetic satellite. This classification means it is used in the research and application of geodesy, which involves studying the Earth's shape, orientation, and gravity field.

Q: What rocket launched TOPO 1?

A: TOPO 1 was launched using a Thorad-Agena D rocket. This rocket is described as more powerful than the Thor-Agena D.

Q: Where was TOPO 1 launched from?

A: TOPO 1 was launched from Vandenberg Space Launch Complex 2. This location served as the start point for its mission.

TOPO 1

Vehicle geodetic_satellite Q6137575

Facts

7 properties

Instance of: geodetic satellite
Launch date: 1970-04-08
Launch vehicle: Thorad-Agena D
Significant event: rocket launch^[4]
Space launch vehicle: Thorad-Agena D^[2]
Start point: Vandenberg Space Launch Complex 2^[5]
UTC date of spacecraft launch: April 8, 1970^[3]

🏷️ Also known as

en TOPO 1 hu Topo–1

🔖 Identifiers · 4

COSPAR ID: 1970-025B
Google Knowledge Graph ID: /g/122043_3
SCN: 04363
Wolfram Language entity code: Entity["Satellite", "04363"]

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🔗 Connections

Instance of 1

geodetic satellite

Significant event 1

rocket launch

Space launch vehicle 1

Thorad-Agena D

Start point 1

Vandenberg Space Launch Complex 2

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Summary

TOPO 1 is a geodetic satellite^[1].

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References

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

Direct Wikidata claims

[2] ↑ TOPO 1 — space launch vehicle (P375): Thorad-Agena D. Jonathan's Space Report. wikidata.org.
[3] ↑ TOPO 1 — UTC date of spacecraft launch (P619): April 8, 1970. Jonathan's Space Report. wikidata.org.
[4] ↑ TOPO 1 — significant event (P793): rocket launch. Jonathan's Space Report. wikidata.org.
[5] ↑ TOPO 1 — start point (P1427): Vandenberg Space Launch Complex 2. Jonathan's Space Report. wikidata.org.

Class ancestry

[1] ↑ TOPO 1 is an instance of geodetic satellite (Q1502863) [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). TOPO 1. Retrieved November 1, 2026, from https://4ort.xyz/entity/topo-1

MLA “TOPO 1.” 4ort.xyz Knowledge Graph, 4ort.xyz, 1 Nov. 2026, https://4ort.xyz/entity/topo-1.

BibTeX

@misc{4ortxyz_topo-1_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{TOPO 1}}, year = {2026}, url = {https://4ort.xyz/entity/topo-1}, note = {Accessed: 2026-11-01}}

LLM prompt

According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): TOPO 1 — https://4ort.xyz/entity/topo-1 (retrieved 2026-11-01)

Canonical URL: https://4ort.xyz/entity/topo-1 · Last refreshed: November 1, 2026