text: import gpp from './gpp';
  import { PlanetPack } from '../utils';
  import { attachSarnus, attachUrlum, attachNeidon, attachPlock } from './opm';
  
  const Ciro = gpp.sun.clone();
  const Grannus = Ciro.findByName('Grannus');
  const Gael = Ciro.findByName('Gael');
  
  attachSarnus(Grannus);
  attachUrlum(Grannus, {semiMajorAxisMultiplier: 0.77});
  attachNeidon(Grannus, {semiMajorAxisMultiplier: 0.7});
  attachPlock(Grannus, {semiMajorAxisMultiplier: 0.75});
  
  export default new PlanetPack('GPP + OPM', Ciro, Gael, gpp.calendar, gpp.rescales);