NN Ser d · Asteria Star

Scientific overview

NN Ser d is a gas giant orbiting NN Ser, completing an orbit every 2880 days, about 1683 light-years from Earth. It was discovered in 2010 using the eclipse timing variations.

Host star

NN Ser

Spectral type

WD

Temperature

57,000 K

Mass

0.535 M☉

Planetary system — NN Ser system

View the NN Ser system (2 known planets).

Planet	Class	Radius (R⊕)	Period (d)	Distance (ly)
NN Ser dEclipse Timing Variations · 2010	Gas giant	13.3	2880	1683
NN Ser cEclipse Timing Variations · 2010	Gas giant	12.6	6987	1683

Discovery and detection

Detection method

Eclipse Timing Variations

Discovery year

2010

Knowledge connections

OrbitsNN Ser
Member of systemNN Ser system
Discovered by methodEclipse Timing Variations
Catalogued inNASA Exoplanet Archive

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