Asteroids, comets, meteors II

29 Amphitrite A'Hearn albedo amplitude asteroids Astron Astrophys average axis bands Barucci brightness calculated coma Comet Halley comet IRAS-Araki-Alcock comet West cometary nuclei computed condensation Crovisier curve Delsemme density derived detected distribution dust dust bands eccentricity ecliptic effects ejection emission evolution Festou Figure flux Fulchignoni function Gehrels grains Hanner heliocentric heliocentric distance Icarus infrared Jupiter Laboratory Lagerkvist lightcurve Lindblad longitude magnetic cloud magnitude mass maximum Mendis meteor streams meteorite meteoroid minor planets molecules nucleus objects observations Observatory obtained Oort cloud P/Halley parameters particles perihelion period comets Perseid perturbations phase angle photometric pixel planetary plasma production rate radar radial radius ratio Rickman scattering secular resonances Sekanina semimajor semimajor axis shower shows solar system solar wind Space spacecraft spectra spectrum sublimation surface Table tail telescope temperature thermal variation velocity volatile Zappala