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Extrasolar Planet Guide
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Systems with Disproven or Doubtful Planets
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Geminga
» Geminga b
Doubtful Companion
Object Type:
Pulsar Planet
Parent Star:
Geminga
Discovery Status:
Doubtful
Habitability:
Planet subject to intense radiation from pulsar primary
Current Planet
Mass :
1.7
Earths
Mean Distance:
3.3
AU
Orbital Period:
5.1 Years
Eccentricity:
0
System Age:
0.34 Myr
Year Discovered:
1997
Detection Method:
Gamma-ray Timing
Discovered By:
Mattox et al
Recent analysis of the data indicates that the detected timing changes were due to signal noise, not a planet.
Current Planet
