The dipole component of the magnetic field at the magnetic equator of Neptune is about 14 microteslas (0.14 G). The dipole magnetic moment of Neptune is about 2.2 × 1017 T·m3 (14 μT·RN3, where RN is the radius of Neptune). Neptune's magnetic field has a complex geometry that includes relatively large contributions from non-dipolar components, including a strong quadrupole moment that may exceed the dipole moment in strength. By contrast, Earth, Jupiter and Saturn have only relatively small quadrupole moments, and their fields are less tilted from the polar axis. The large quadrupole moment of Neptune may be the result of offset from the planet's centre and geometrical constraints of the field's dynamo generator. COUNT 5
QSN1 What is Neptune's dipole magnetic moment?  ANS1 2.2 × 1017 T·m3 QSN2 What is one of Neptune's non-dipolar component what may exceed the dipole moment in strength?  ANS2 strong quadrupole moment QSN3 Which three planets have small quadrupole moments compared to Neptune? ANS3 Earth, Jupiter and Saturn QSN4 Besides the geometrical constraints of Neptune's dynamo generator, what is another result of the quadrupole moment? ANS4 the planet's centre QSN5 What is the dipole component of the magnetic field at the magnetic equator of neptune? ANS5 14 microteslas (0.14 G)