| γ (zenith angle) | 18
| | μ (gravitational parameter) | 41
| | ν (anomaly) | 20, 21, 60
| | φ (flight-path angle) | 18
| | ω | 63
| | a (semi-major axis) | 23, 28, 30, 58
| | ap | 388
| | Adams integration | 386
| | Adams-Bashforth numerical method | 414
| | Adams-Moulton | 414
| | Anomaly, parabolic | 188
| | Anomaly, true | 63
| | Aristarchus | 357
| | AU | see Astronomical Unit
| | B (vector) | 20, 25
| | b (impact parameter) | 377
| | Ballistic coefficient | 155
| | Bode's Law | 227
| | Brahe, Tycho | 357
| | Brown, E. M. | 386
| | Burnout | 40
| | c (orbital parameter) | 23, 38
| | Canonical Units | 429
| | Ceres | 227f
| | Circular satellite speed | 33-34
| | Clairant | 386
|
|
| Coriolis theorem | 87, 92
| | D-1 matrix | 80, 101
| | Day, mean solar | 102
| | Dornberger, Walter | 152
| | Draconitic period | 326
| | DU (distance unit) | 41
| | E (eccentric anomaly) | 183ff
| | e (orbital parameter) | 20, 24, 28, 29, 31
| | e (eccentricity vector) | 25, 62
| | E (specific energy) | 27-28
| | e sin E | 216
| | Earth atmosphere | 45
| | ELINT | 132
| | Equinoxes | 54f
| | Equinoxes, precession of | 54f
| | Euler | 396
| | Euler-Cauchy | 414
| | Evection | 325
| | F | 216
| | Focus | 23
| | Gauss algorithm | 53
| | Gauss-Jackson numerical method | 414, 418
| | Geodetic latitude | 94
| | Greenwich sidereal time | 88, 99
| | H (angular momentum) | 16-20, 27
| | H (angular momentum vector) | 17, 20-27
|
|
| h (angular momentum) | 18, 26, 27, 31, 33
| | Halley, Edmund | 51-52
| | Hamiltonians | 412
| | Hegel | 228
| | Herschel | 227
| | Hipparchus | 325
| | Hyperbola | 189
| | Hyperbolic orbits | 216f
| | Impact parameter b | 377
| | Inclination | 63
| | Injection | 327ff, 346
| | Iteration | 131
| | Kepler's laws, second | 33
| | Kepler, Johannes | 358
| | Lagrange | 412
| | Lambert's Theorem | 231
| | Laplace | 227
| | Laplacian orbit method | 53
| | Latitude, astronomical | 94
| | Latus rectum | 24
| | Leverrier | 386
| | Line of apsides, rotation of | 6
| | Longitude, geographic | 99
| | M (mean anomaly) | 185
| | Mass, variable | 8
| | Matrices, orthogonal | 79
|
|
| Milne | 414
| | Mu (μ), gravitational parameter | 41
| | Multi-step integration methods | 414
| | n (mean motion) | 185
| | Neptune | 386
| | Newton, Isaac | 227, 386
| | Node, longitude of ascending | 63
| | ν' (nu-dot) | 31, 191
| | Numerical integration, "order" defined | 414
| | Numerical integration, 2nd-order systems | 414
| | Numerical integration, comparison of methods | 419
| | Numerical integration, criteria for choosing | 419
| | Oblate Earth model | 86
| | Oblateness | 5-6, 86
| | OTH | 132
| | p (orbital element) | 20, 24, 26
| | P vector | 72
| | P (orbital period) | 33
| | Parabolic orbit | 212ff
| | Parallax | 57
| | Periapsis, argument of | 63
| | Perturbation techniques | 163
| | Perturbations, due to oblate Earth | 139
|
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