Info

Spin stabilization 19, 503-504

Spin-stabilized spacecraft 3

List of 787

Split-to-index time, horizon sensors 172

Math, model (split-angle model) 231, 234 Square root filter 467

SSS (Small Scientific Satellite) Attitude system of 794-795

Effect of flexibility on attitude dynamics 556 Nutation damping 544, 629

Telemetry data errors 311

ST (See Space Telescope) Stability—

Of control systems 594-600

Of rotation about a principal axis 523

Of spacecraft (See Spacecraft stability) Stabilization (See Attitude stabilization;

Nutation damping; Libration damping) Standard deviation 429

Standard notation x-xii

For attitude angles 23, 349

Standard symbols xi-xii, 50

Standard Time 801

Standardization— Of attitude hardware 718-721

Of attitude software 686, 721-722

Star azimuth 259

Star camera 193

Star catalog, acquisition of by an attitude system 704

Star catalogs 143-150

Star longitudes 149-150

Star scanners 186, 187, 190-192

List of spacecraft using 797

Star sensors— Attitude determination methods for 703-709 Characteristics vs. accuracy requirements 190 Data selection and correction 704-705 Example of use for nutation monitoring 538-539

Hardware 184-195

List of spacecraft using 797

Mathematical model of intensity response 258-259

Mathematical models 254-259

Overview of attitude determination with 703-70»

Representative telemetry data errors 311 Star trackers—

Fixed-head 186, 189-190, 193-195

Gimbaled 186, 187-189

I ist of spacecraft using 797

Stars-

Angular diameter of 167

As attitude determination reference source 17

Densities

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