<P> quadratic term: </P> <Ul> <Li> In ELP2000--85 (see Chapront et alii 1988), D has a quadratic term of − 5.8681 "T; expressed in lunations N, this yields a correction of + 87.403 × 10 N days to the time of conjunction . The term includes a tidal contribution of 0.5 × (− 23.8946 "/ cy). The most current estimate from Lunar Laser Ranging for the acceleration is (see Chapront et alii 2002): (− 25.858 ± 0.003)" / cy . Therefore, the new quadratic term of D is = - 6.8498 "T. Indeed, the polynomial provided by Chapront et alii (2002) provides the same value (their Table 4). This translates to a correction of + 14.622 × 10 N days to the time of conjunction; the quadratic term now is: </Li> </Ul> <Li> In ELP2000--85 (see Chapront et alii 1988), D has a quadratic term of − 5.8681 "T; expressed in lunations N, this yields a correction of + 87.403 × 10 N days to the time of conjunction . The term includes a tidal contribution of 0.5 × (− 23.8946 "/ cy). The most current estimate from Lunar Laser Ranging for the acceleration is (see Chapront et alii 2002): (− 25.858 ± 0.003)" / cy . Therefore, the new quadratic term of D is = - 6.8498 "T. Indeed, the polynomial provided by Chapront et alii (2002) provides the same value (their Table 4). This translates to a correction of + 14.622 × 10 N days to the time of conjunction; the quadratic term now is: </Li> <Dl> <Dd> + 102.026 × 10 N days . </Dd> </Dl>

During the phase called the new moon the moon is not visible to observers on earth