Astrometric Position

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Astrometric Position

The position of a heavenly body (or space vehicle) on the celestial sphere corrected for aberration but not for

planetary aberration. Compare apparent position.
Astrometric positions are used in photographic observations where the position of the observed body can be measured in reference to the positions of comparison stars in the field of the photograph.

References

This article is based on NASA's Dictionary of Technical Terms for Aerospace Use