LIST OF UNCONFIRMED EXOPLANETS

Main articles: Extrasolar planet

Main articles: Hypothetical planet

Main articles: Protoplanetary disk

''This is a list of unconfirmed extrasolar planets. When a planet is confirmed, please remove it from this list and move it to List of stars with confirmed extrasolar planets.''
''This is a list of unconfirmed extrasolar planets. When a planet turns to brown dwarf, please remove it from this list and move it to List of brown dwarfs.''
There are at least 78 unconfirmed exoplanets in total.

Contents

List of possible to confirm exoplanets

List of impossible to confirm exoplanets

List of doubtful exoplanets

List of exoplanets disproven

See also

Reference

External link

List of possible to confirm exoplanets

There are at least 42 exoplanets that are waiting to be confirmed or are likely to be confirmed.
''(list is very incomplete)''

star	planet	minimum mass (x Jupiter)	orbital period (days)	orbital distance (x Earth)	orbital eccentricity	inclination	discovery year
Anon-1		0.3	1.3381	0.024	0
Beta Pictoris		2	19 y	8
CM Draconis	c	0.85	735	1
Corot-exo-1	b	1.3	1.5				2007
CSI +06 -18266[1]
Epsilon Eridani	c	~0.1	~280 y	~40	~0.3		2002
EXP1 J1628-52c07s18161[2]
Fomalhaut		40
Gliese 317	c	0.83	2700		0.42		2007
Gliese 436
Gliese 849
GM Aurigae	b	1.7	4 y	2.5
HD 147506	c
HD 154857	c		1900		0.25		2007
HD 208487	c	0.46?	908?	1.8?	0.19?
HD 24040	b	9.13	8000	8.32	0.277		2006
HD 28185
OGLE-TR-111	c	0.7	16.0644	0.12
OGLE-TR-125	b
OGLE-TR-130	b
OGLE-TR-131	b
OGLE-TR-3	b	0.5	1.1899	0.025		90
Phi2 Pavonis	b	0.69	42.5	0.25	0.429		1998
SWEEPS-01	b		1.56	0.025		>86	2006
SWEEPS-02	b		0.912	0.015		>86	2006
SWEEPS-03	b		1.27	0.021		>86	2006
SWEEPS-05	b		2.313	0.03		>87	2006
SWEEPS-06	b		3.039	0.042		>86	2006
SWEEPS-07	b		1.747	0.027		>86	2006
SWEEPS-08	b		0.868	0.017		>84	2006
SWEEPS-09	b		1.617	0.025		>86	2006
SWEEPS-10	b	~1.6	0.424	0.008		>84	2006
SWEEPS-12	b		2.952	0.038		>87	2006
SWEEPS-13	b		1.684	0.027		>86	2006
SWEEPS-14	b		2.965	0.037		>87	2006
SWEEPS-15	b		0.541	0.01		>84	2006
SWEEPS-16	b		0.969	0.017		>85	2006
Tau Boötis
UNSW-TR 3[3]
UNSW-TR 4[4]
HS 2201+2610	b	~3.5	1140	1.7
W 3(OH)	b			2000

List of impossible to confirm exoplanets

There is at least 4 exoplanets that will never be confirmed.
''(list is very incomplete)''

star	planet	minimum mass (x Jupiter)	orbital period (days)	orbital distance (x Earth)	orbital eccentricity	inclination	discovery year
MACHO 94-BLG-4[5]	b	5		1			1994
MACHO 95-BLG-3	b	2		5			1995
MACHO 98-BLG-35[6]	b	1 ME					1998
''unknown'' planet lies within the Elliptical galaxy YGKOW G1		3 ME

List of doubtful exoplanets

There are at least 20 postulated exoplanets that now seem unlikely to exist.
''(list is very incomplete)''

star	planet	minimum mass (x Jupiter)	orbital period (days)	orbital distance (x Earth)	orbital eccentricity	inclination	discovery year
61 Cygni	Aa	6
	Ab	12
	Ba	7
Aldebaran	b	~11	653.8	~2	0.182		1997
Barnard's Star	b
	c
Geminga	b	1.7 ME	5.1 y	3.3			1997
HD 3346	b	10	30	0.3
HD 44179 B	b			1600
Iota Horologii	c		600
Lalande 21185	b
	c
OGLE-2002-BLG-055	b	5
PSR 0329+54	A	0.3 ME	3.3 y	2.3
PSR 0329+54	B	2.2 ME	16.9 y	7.3
PSR 1828-10	A	3 ME	0.68 y	0.93
PSR 1828-10	B	12 ME	1.35 y	1.32
PSR 1828-10	C	8 ME	2.71 y	2.1
Upsilon Andromedae A	e			5
Vega	b			56

List of exoplanets disproven

There are at least 12 exoplanets that have been disproven.
''(list is very incomplete)''

star	planet	minimum mass (x Jupiter)	orbital period (days)	orbital distance (x Earth)	orbital eccentricity	inclination	discovery year
70 Ophiuchi	Ab or Bb	10	17 y				1855
Gliese 570	b	0.75	400	1
HD 188753 A	b	1.14	3.3481	0.0446	0.00		2005
HD 219542 B	b	0.3	112.1	0.46	0.32
HD 223084	b	1.21	104.090	0.44
HD 34445	b	0.58	126	0.51	0.4		2004
HD 83443	c	54 ME	29.83	0.174			2000
MACHO-1997-BLG-41	b		7 y	3.5
Proxima Centauri	b			0.666
PSR B1257+12	D	100 ME	~100 y	40			1996
PSR 1829-10			0.5 y				1991
TMR-1	C

===List of proplyds with gaps and no known planets===
''When planets are confirmed, please move to the list of confirmed planets.''
There are 8 stars that have protoplanetary disks with no known planets, which have cleared zones where planets may inhabit.
''(list is very incomplete)''

star	gap distance (in AU)	Notes
Beta Pictoris	0 - 50	Disc is warped
Cha 110913-773444		Smallest brown dwarf
GM Aurigae	0 - 300	Disc is warped
HD 141569	86 - 350	Separates inner and outer regions
Lynds 1551	0.1	Binary system 45 AU apart
OTS 44		Second smallest brown dwarf
Vega	5
Zeta Leporis	5.4	First extrasolar protoplanetary disc discovered

See also

★ List of stars with confirmed extrasolar planets

★ List of extrasolar planet extremes

★ List of hypothetical astronomical objects

★ List of stars with proplyds

★ List of brown dwarfs

Reference

1. CSI +06 -18266 / GSC 00445-01813 SIMBAD
2. EXP1 J1628-52c07s18161, SIMBAD essential note
3. UNSW-TR 3 SIMBAD
4. UNSW-TR 4 SIMBAD
5. Planetary Microlensing from the MACHO Project, The MACHO Collaboration 1996
6. On Planetary Companions to the MACHO-98-BLG-35 Microlens Star, S.H.Rhie et al. 1999

External link

★ Unconfirmed, controversial or retracted planets