0 Sep 0000 | elliptical orbits (00-000 deg phase angles). | Pericentre gradually reduced and apocentre | increased while constant orbital period of 0 | days 0.0km, 00.0km, 0.0km, 00.0km, 0.0km, | 00.0km, 0.0km, 00.0km, 0.0km, 00.0km, 0.0km, | 00.0km, 0.0km, 00.0km, 0.0km, 00.0km