swap_horiz HD 99109 b Alternatives
Looking for alternatives to HD 99109 b? Compare the top Exoplanet options ranked by our AI scoring system.
HD 99109 b
Saturn-mass gas giant orbiting the K-type star HD 99109 with a roughly 440-day period, discovered via radial velocity and notable for its low host-star metallicity.
apps Top HD 99109 b Alternatives
The top alternative to HD 99109 b in 2026 is 55 Cancri b with a score of 7.8/10, followed by Epsilon Eridani b (7.8) and Gliese 876 c (7.5).
55 Cancri b
A Jupiter-mass hot Jupiter discovered in 1996 around the nearby star 55 Cancri, orbiting at just 0.11 AU with a period o...
Epsilon Eridani b
Epsilon Eridani b is a Jupiter-like exoplanet orbiting one of the Sun's nearest stellar neighbors (~10.5 ly), confirmed...
Gliese 876 c
A Jupiter-mass planet discovered in 2001 orbiting red dwarf Gliese 876, locked in a 2:1 orbital resonance with the outer...
55 Cancri f
Discovered in 2007, this Saturn-mass planet orbits 55 Cancri near the inner edge of its habitable zone, completing one o...
Upsilon Andromedae c
Announced in 1999 as part of the first confirmed multi-planet system around a main-sequence star, a giant planet orbitin...
Pi Mensae b
Pi Mensae b is a highly eccentric gas giant exoplanet discovered in 2001, notable for its massive size and for paving th...
HD 114762 b
HD 114762 b is one of the earliest exoplanet candidates, reported by Latham et al. in 1989; its minimum mass of ~11 Jupi...
HD 219134 d
A mini-Neptune exoplanet discovered in 2015, notable for having a mass similar to Uranus and orbiting the nearby star HD...
HD 28185 b
HD 28185 b is a Jupiter-mass planet whose ~383-day orbit places it within the host star's habitable zone, making it nota...
HD 160691 b
Jupiter-mass planet orbiting the nearby G-type star mu Arae (HD 160691, ~15 pc), the first confirmed planet in this well...
HD 219134 e
A massive exoplanet discovered in 2015, notable for being a long-period gas giant in the HD 219134 system, orbiting its...
HD 128311 b
HD 128311 b is a gas giant exoplanet orbiting the K-type star HD 128311 about 53 light-years away, discovered in 2002 vi...
HD 168443 b
HD 168443 b is a massive giant planet (~8 Jupiter masses) with a ~58-day orbit around HD 168443, discovered in 1999 as p...
HD 3651 b
HD 3651 b is a Saturn-mass planet discovered in 2003 by Fischer et al.; its host star HD 3651 is also accompanied by a d...
HD 27442 b
HD 27442 b is a Jupiter-mass planet orbiting the subgiant Epsilon Reticuli (HD 27442) with a ~428-day period, discovered...
HD 130322 b
HD 130322 b is a hot Jupiter with an orbital period of ~10.7 days around HD 130322, discovered in 1999 by Udry et al. us...
HD 177830 b
HD 177830 b is a giant planet orbiting HD 177830 with a period of ~391 days in a nearly circular orbit, discovered in 19...
HD 192263 b
HD 192263 b is a Saturn-mass planet with a ~24-day orbit discovered in 2000; its detection was complicated by stellar ac...
HD 74156 b
Massive, highly eccentric gas giant forming the inner orbit of the HD 74156 two-planet system, discovered via radial vel...
HD 86264 b
Massive gas giant of approximately 7 Jupiter masses orbiting the F-type subgiant HD 86264 in a moderately eccentric orbi...
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