heliosynchronous

heliosynchronous adjective: describing an orbit around the Earth where each passage in the same direction along a given latitude will occur throughout the year at the same true solar time.

Adjective

heliosynchronous (not comparable)

Describing an orbit around the Earth where each passage in the same direction along a given latitude will occur throughout the year at the same true solar time.
- A heliosynchronous orbit is an orbit [around the Earth] whose plane precesses by [a little less than] one degree a day around the line of the poles, thus keeping the same position in relation to the Earth-Sun line.1987, Pierre Lellouche, Satellite warfare: a challenge for the international community, Institut français des relations internationales, United Nations Institute for Disarmament Research, United...
Synonyms:

Sun-synchronous
Describing an orbit around the Sun in which the period of revolution is the same as the Sun's period of rotation.

Synonyms of heliosynchronous

Sun-synchronous

Origin of heliosynchronous

From helio- + synchronous.

Words formed from heliosynchronous

heliosynchronous orbit

Phrases with heliosynchronous

heliosynchronous orbits

Questions about heliosynchronous

What does heliosynchronous mean?: Heliosynchronous means describing an orbit around the Earth where each passage in the same direction along a given latitude will occur throughout the year at the same true solar time.
What part of speech is heliosynchronous?: Heliosynchronous is an adjective.

Words near heliosynchronous in the dictionary

Adapted from Wiktionary: heliosynchronous (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated: 2026-09-02

Cite this entry: “heliosynchronous.” Word.ws, https://word.ws/heliosynchronous. Based on Wiktionary, CC BY-SA 4.0.