K2-21c (Q22905977)

Characterizing K2 Candidate Planetary Systems Orbiting Low-mass Stars. II. Planetary Systems Observed During Campaigns 1-7

Two transiting earth-size planets near resonance orbiting a nearby cool star

unconfirmed exoplanet

2 references

SIMBAD

Two transiting earth-size planets near resonance orbiting a nearby cool star

mass

0.01561±0.0012 Jupiter mass

1 reference

The 14 Her Planetary System: Companion Masses and Architecture from Radial Velocities and Astrometry

Ecliptic Plane Input Catalog

catalog code

EPIC 206011691 c

catalog

1 reference

Ecliptic Plane Input Catalog

SIMBAD

EPIC 206011691.02

catalog

3 references

K2-21b

1 reference

K2-21c

2 references

Ecliptic Plane Input Catalog

EPIC 206011691c

catalog

2 references

time of discovery or invention

TIC 240766850c

1 reference

October 2015

1 reference

Two transiting earth-size planets near resonance orbiting a nearby cool star

Two transiting earth-size planets near resonance orbiting a nearby cool star

2 references

inferred from equatorial coordinates

constellation

Aquarius

1 reference

based on heuristic

parent astronomical body

K2-21

4 references

Two transiting earth-size planets near resonance orbiting a nearby cool star

object stated in reference as

K2-21

SIMBAD

197 candidates and 104 validated planets in K2's first five fields

object stated in reference as

2MASS J22411288-1429202

argument of periapsis

59.96±120.577831 degree

1 reference

Characterizing K2 Candidate Planetary Systems Orbiting Low-mass Stars. II. Planetary Systems Observed During Campaigns 1-7

orbital eccentricity

0.21±0.20677

1 reference

Characterizing K2 Candidate Planetary Systems Orbiting Low-mass Stars. II. Planetary Systems Observed During Campaigns 1-7

orbital inclination

88.85±0.4 degree

1 reference

Characterizing K2 Candidate Planetary Systems Orbiting Low-mass Stars. II. Planetary Systems Observed During Campaigns 1-7

89.08±0.75 degree

1 reference

Two transiting earth-size planets near resonance orbiting a nearby cool star

89.21±0.26 degree

1 reference

The 14 Her Planetary System: Companion Masses and Architecture from Radial Velocities and Astrometry

orbital period

15.50192±0.000928 day

1 reference

Characterizing K2 Candidate Planetary Systems Orbiting Low-mass Stars. II. Planetary Systems Observed During Campaigns 1-7

15.50116±0.0009 day

1 reference

197 candidates and 104 validated planets in K2's first five fields

15.5012±0.00099 day

1 reference

Two transiting earth-size planets near resonance orbiting a nearby cool star

15±0.0001 day

1 reference

The 14 Her Planetary System: Companion Masses and Architecture from Radial Velocities and Astrometry

semi-major axis of an orbit

0.098±0.0026 astronomical unit

1 reference

197 candidates and 104 validated planets in K2's first five fields

0.1026±0.0094 astronomical unit

1 reference

Two transiting earth-size planets near resonance orbiting a nearby cool star

0.107±0.004 astronomical unit

1 reference

Characterizing K2 Candidate Planetary Systems Orbiting Low-mass Stars. II. Planetary Systems Observed During Campaigns 1-7

declination component of proper motion

parallax

11.9265±0.0377 milliarcsecond

2 references

−78.905±0.064 milliarcsecond per year

2 references

right ascension component of proper motion

20.736±0.073 milliarcsecond per year

2 references

1.53±0.14 Earth radius

1 reference

197 candidates and 104 validated planets in K2's first five fields

1.92±0.54 Earth radius

1 reference

Two transiting earth-size planets near resonance orbiting a nearby cool star

2.49±0.19 Earth radius

1 reference

Characterizing K2 Candidate Planetary Systems Orbiting Low-mass Stars. II. Planetary Systems Observed During Campaigns 1-7

0.222±0.017 Jupiter radius

1 reference

Characterizing K2 Candidate Planetary Systems Orbiting Low-mass Stars. II. Planetary Systems Observed During Campaigns 1-7

3 references