38 Exoplanetary Systems Within 65 Light Years (20 Parsecs)

in order of increasing distance in light years
see diagram


Star

Spectral Type

Distance

Constellation

Remarks

Epsilon Eridani

K2

10.5

Eridanus

Also HD 22049; young orange star with massive debris disk and at least one giant planet in a highly eccentric orbit. MORE

GJ 674

M2.5

14.7

Ara

Red dwarf star with a single Hot Neptune 11 times as massive as Earth in a somewhat eccentric orbit. MORE

GJ 876

M4

15.4

Aquarius

Red dwarf hosting the closest multiple exoplanetary system, with 3 known planets; the innermost is only 7.5 times as massive as Earth. MORE

GJ 832

M1.5

16

Indus

Red dwarf with one gas giant about 60% as massive as Jupiter in a low-eccentricity orbit at 3.4 AU; potential host for icy exomoons

GJ 581

M3

20

Libra

Red dwarf with one Hot Neptune and two Super Earths (masses 5 and 8 times Earth) whose orbits bracket the proposed habitable zone. MORE

Fomalhaut

A3

25

Piscis Austrinus

Also HD 216956. White star with a dusty debris ring and one gas giant planet orbiting just inside the ring. MORE

GJ 849

M3.5

29

Aquarius

Relatively massive red dwarf, more metallic than the Sun, with a Jupiter twin orbiting at 2.35 AU in a nearly circular orbit (e=0.07); potential icy moons; potential terrestrial planets. MORE

GJ 317

M3.5

30

Pyxis

Lightweight red dwarf with a Jupiter-mass planet at 0.95 AU and an additional gas giant likely in a wider orbit; potential host for icy exomoons

GJ 176

M2

31

Taurus

Also HD 285968; relatively massive red dwarf with a large Super Earth or small Warm Neptune in an orbit of about 9 days

GJ 436

M2.5

33

Leo

Red dwarf with one transiting Hot Neptune; additional stable orbits may be possible in the habitable zone and beyond. MORE

Pollux

K0 III

34

Gemini

Also Beta Geminorum and HD 62509; red giant whose progenitor was an A-type star; one known gas giant at 1.6 AU

GJ 86

K1, D

36

Eridanus

Also HD 13445; one close-in gas giant 4 times as massive as Jupiter and a white dwarf star orbiting at 20 AU. MORE

54 Piscium

K0, T

36

Pisces

Also HD 3651; one Saturn-mass planet in a close but highly elliptical orbit (e = 0.63) and a brown dwarf companion (20-60 Jupiter masses) at 480 AU

55 Cancri

G8, M4

41

Cancer

Yellow primary with a small red binary companion at 1000 AU, 1 Hot Super-Earth, and 4 additional gas giants; the outer planet, with 4 times Jupiter's mass, orbits at 5.8 AU and might host a family of icy moons. MORE

HD 69830

K0

41

Puppis

Orange star with three Neptune-mass planets orbiting within 0.63 AU, plus a dusty asteroid belt beyond 1 AU. MORE

HD 40307

K2

42

Dorado

Orange star with three Super Earths orbiting starward of the system's habitable zone. MORE

HD 147513

G3, D

42

Scorpio

Very wide binary system consisting of a G star with a white dwarf companion at 4000 AU; the yellow star has one Jupiter-mass planet on a highly eccentric orbit

Upsilon Andromedae

F8, M4

44

Andromeda

Also HD 9826; wide binary system (750 AU) with 3 giant planets orbiting the F8 star, which is brighter and more massive than the Sun; the outermost planet, with 3.75 times Jupiter's mass, might host a family of large moons. MORE

Gamma Cephei

K1 IV,
M4

45

Cepheus

Also Errai and HD 222404; mature binary system with semimajor axis of 19 AU and period of 68 years; the orange subgiant star, with almost 5 times the Sun's diameter, has one planet at least 1.6 times Jupiter's mass orbiting at 2 AU; potential host for scorched exomoons. MORE

47 Ursae Majoris

G0

46

Ursa
Major

Also HD 95128; yellow star, slightly brighter and older than the Sun, with two giant planets beyond the habitable zone in unusually circular obits; potential hosts for exomoons. MORE

Mu Arae

G3

50

Ara

Also HD 160691; one Hot Neptune or Super-Earth in an epistellar orbit and 3 giant planets at greater distances; potential hosts for exomoons. MORE

51 Pegasi

G2

50

Pegasus

Prototypical Hot Jupiter, nicknamed Bellerophon: a gas giant with 48% of Jupiter's mass orbiting at 0.05 AU (only 4.6 million miles away from the star)

Tau Bootis

F7, M2

51

Bootes

Wide binary harboring a single Hot Jupiter with almost 4 times Jupiter's mass, orbiting the F7 star at a distance of 0.046 AU

GJ 777

G6 IV,
M

52

Cygnus

Also HD 190360; triple system with a yellow subgiant and a distant pair of M stars; one Hot Neptune and one gas giant at 4 AU with more than 1.5 times Jupiter's mass. MORE

HD 128311

K0

54

Bootes

Two planets more massive than Jupiter orbiting in a 2:1 mean motion resonance, plus a debris disk analogous to the Kuiper Belt. MORE

Iota
Horologii

G0

56

Horologium

Also HD 17051; one gas giant twice as massive as Jupiter orbiting starward of the habitable zone; may host a family of moons

HD 10647

F8

56

Eridanus

Young yellow-white star with a debris belt plus one Jupiter-sized planet that may host exomoons

Rho Coronae Borealis

G0

57

Corona
Borealis

Mature star, brighter and larger (but slightly less massive) than the Sun, with possible debris disk and one Jupiter-mass planet in close orbit

GJ 3021

G6, M5

57

Hydrus

Also HD 1237; yellow star with a very small red binary companion at 70 AU; the primary hosts one planet 3 times as massive as Jupiter in a highly elliptical orbit dominating the habitable zone

83 Leonis

G8 IV,
K2

59

Leo

Also HD 99492; binary consisting of a yellow subgiant and a smaller, dimmer K2 star with one planet twice the mass of Neptune in a tight orbit. MORE

HD 154345

G8

59

Hercules

Cool yellow star with a Jupiter analog traveling in a circular orbit (e=0.08) whose semimajor axis is 4.36 AU and whose period is about 9.7 years; Earth-mass planets possible in the habitable zone

70 Virginis

G4

59

Virgo

Also HD 117176; debris disk analogous to the Kuiper Belt plus one enormous planet with more than 7 times Jupiter's mass orbiting at a distance equivalent to that of Mercury from the Sun

14 Herculis

K0

59

Hercules

Also HD 145675; the star is more than 3 times as metallic as the Sun; its single confirmed planet, with about 5 times Jupiter's mass, orbits at 2.8 AU and is a potential host for exomoons; a second gas giant in a wider orbit is predicted but so far unconfirmed. MORE

Pi Mensae

G1

59

Mensa

Also HD 39091; sunlike G star with a single planet 10 times as massive as Jupiter in a highly eccentric orbit

Epsilon Reticuli

K2 IV,
D

59

Reticulum

Also HD 27442; binary system whose main component is an orange subgiant or giant, 5 times brighter than the Sun and perhaps 6 times larger, with a white dwarf companion at 240 AU and one Jupiter-mass planet at 1.27 AU that may host a family of scorched moons. MORE

HD 189733

K1, M5

63

Vulpecula

Orange star with a transiting Hot Jupiter whose mass and radius are well determined; small red binary companion in a non-coplanar orbit at about 200 AU

HD 217107

G8

64

Pisces

One Hot Jupiter and a second planet with twice Jupiter's mass traveling in a highly eccentric orbit at a distance of more than 4 AU. MORE

HD 192263

K2

65

Aquila

One Jupiter-mass planet in close orbit


Notes

Last update November 2008
Most data on masses and orbital dynamics are obtained from Butler et al., Catalog of Nearby Exoplanets. This site contains extensive, regularly updated information on nearby exoplanets.
All distances are expressed in light years (3.26 light years = 1 parsec)

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