et NEA 1 Tuumaenergia Agentuur
specialised agency within the OECD promoting the safe, environmentally friendly and economical use of nuclear energy for peaceful purposes
en NEA 1 near-Earth asteroid
Asteroid, mille orbiit võib lõikuda Maa orbiidiga ja mille periheeli kaugus q on vähem kui 1,3 astronoomilist ühikut, asteroid in an Earth-crossing orbit and with the perihelion distance q less than 1.3 AU
en NEA 2 Nuclear Energy Agency, OECD Nuclear Energy Agency, Nuclear Energy Agency of the Organization for Economic Cooperation and Development, European Nuclear Energy Agency, ENEA
specialised agency within the OECD promoting the safe, environmentally friendly and economical use of nuclear energy for peaceful purposes
de NEA 1 Kernenergie-Agentur
specialised agency within the OECD promoting the safe, environmentally friendly and economical use of nuclear energy for peaceful purposes
fi NEA 1 ydinenergiajärjestö
specialised agency within the OECD promoting the safe, environmentally friendly and economical use of nuclear energy for peaceful purposes

NEA

abbreviation

Terminological databases

Kosmoseteaduse ja -tehnoloogia terminibaas

ID 658687 Last modified 07.01.2026

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Domain astronomy

Maa-lähedane asteroid

near-Earth asteroid

NEA

Asteroid, mille orbiit võib lõikuda Maa orbiidiga ja mille periheeli kaugus q on vähem kui 1,3 astronoomilist ühikut

asteroid in an Earth-crossing orbit and with the perihelion distance q less than 1.3 AU

Maa-lähedane asteroid

Usage examples

Maa-lähedane asteroid võib olla Kuu tükk.

near-Earth asteroid

Usage examples

Near-Earth asteroids are divided into groups (Atira, Aten, Apollo and Amor) according to their perihelion distance (q), aphelion distance (Q) and their semi-major axes (a).

NEA abbreviation

Usage examples

Since the taxonomic class of most NEAs is unknown, we simply use an assumed mean albedo of 14% to estimate all NEA sizes. With this assumption, a one kilometer spherical NEA corresponds to an H value of 17.75.

in the EU's IATE term base

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NEA

Terminological databases

Kosmoseteaduse ja -tehnoloogia terminibaas

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