Reference Frames Flashcards

1
Q

What is the principal direction of ECI?

A

Vernal Equinox

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2
Q

What is the principal direction of ECEF?

A

0° latitude 0° longitude

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3
Q

What is the principal direction of the Perifocal frame?

A

Eccentricity Vector

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4
Q

What is the principal direction of RIC frame?

A

Radial

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5
Q

Use: Show a satellite’s ground track

A

ECEF

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6
Q

Use: Relative motion and maneuvers

A

RIC

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7
Q

Use: A non-rotating view

A

ECI

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8
Q

Use: A frame centered on the Focus of the orbit

A

Perifocal

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