StarNAV with a wide field-of-view optical sensor

被引：3
|
作者：
McKee, Paul [1 ]
Nguyen, Hoang [2 ]
Kudenov, Michael W. [2 ]
Christian, John A. [1 ,3 ]
机构：
[1] Rensselaer Polytech Inst, Troy, NY 12180 USA
[2] North Carolina State Univ, Raleigh, NC 27695 USA
[3] Georgia Inst Technol, Atlanta, GA 30332 USA
来源：
ACTA ASTRONAUTICA | 2022年 / 197卷
关键词：
Optics; Stellar aberration; Spacecraft navigation; StarNAV; SPACECRAFT; NAVIGATION; PERFORMANCE; TRACKERS; ATTITUDE; IMAGE;
D O I：
10.1016/j.actaastro.2022.04.027
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
StarNAV is a method for inferring an observer???s velocity from measurements of starlight that have been perturbed by stellar aberration. This usually takes the form of measuring changes in inter-star angles as compared to a reference. Usable velocity estimates require either the measurement of (1) a few inter-star angles with high accuracy or (2) a great many inter-star angles with lower accuracy. This work explores the efficacy of a hypothetical sensor following the latter approach through the use of wide field-of-view (FOV) optical cameras. Key algorithmic considerations for processing large star fields are discussed and an exploration of the design space is performed. A feasible point design with proof-of-concept performance is developed and is shown to fit within a 3U CubeSat form factor.
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页码：220 / 234
页数：15
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