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

en

NEA

lühend

Erialasõnastikud

Kosmoseteaduse ja -tehnoloogia terminibaas

ID 658687 Viimati muudetud 07.01.2026

Vaata sõnakogu

Vaata sõnakogu

Valdkond 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

Näited

Maa-lähedane asteroid võib olla Kuu tükk.

near-Earth asteroid

Näited

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 lühend

Näited

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.

ELi terminibaasis IATE

Veebilehelt SkELL saad vaadata sõna kasutusnäiteid, naabersõnu ja sarnase tähendusega sõnu. Need on automaatselt valitud ning võivad sisaldada vigu.