ExoplanetDetail

Kepler-21 b

Host star Kepler-21 • 1.64 R⊕ • 2.79 d orbit

Records

archive rows

Discovery

—

Transit

Radius

1.64 R⊕

median non-null value

Mass

7.50 M⊕

median non-null value

Kepler-21

1824 K equilibrium

Host Star

Kepler-21

Discovery

Transit

Year

2012

Period

2.79 day

Radius

1.64 Rearth

Mass

7.50 Mearth

Eq. Temp

2015 K

Earth

1.0 R⊕ baseline

Kepler-21 b

1.64 R⊕

Jupiter

11.2 R⊕ reference

Evidence Summary

Rows

Refs

Methods

Discoverystable

13 values • 1 distinct

Facilitystable

13 values • 1 distinct

Periodstable

12 values • 1 distinct

Radiusdisputed

11 values • 7 distinct

Massdisputed

3 values • 3 distinct

Eq. Tempdisputed

8 values • 6 distinct

Year	Method	Facility	Telescope	Period	Radius	Mass	Eq. Temp	Reference
2012	Transit	Kepler	0.95 m Kepler Telescope	2.79 day	1.64 Rearth	7.50 Mearth	2015 K	Bonomo et al. 2023
2012	Transit	Kepler	0.95 m Kepler Telescope	2.79 day	1.59 Rearth	—	1785 K	Q1-Q17 DR24 KOI Table
2012	Transit	Kepler	0.95 m Kepler Telescope	2.79 day	1.59 Rearth	—	1785 K	Q1-Q12 KOI Table
2012	Transit	Kepler	0.95 m Kepler Telescope	2.79 day	1.59 Rearth	—	1785 K	Q1-Q16 KOI Table
2012	Transit	Kepler	0.95 m Kepler Telescope	2.79 day	—	—	—	Q1-Q17 DR25 Supplemental KOI Table
2012	Transit	Kepler	0.95 m Kepler Telescope	2.79 day	1.57 Rearth	—	—	Morton et al. 2016
2012	Transit	Kepler	0.95 m Kepler Telescope	2.79 day	1.64 Rearth	5.08 Mearth	2025 K	López-Morales et al. 2016
2012	Transit	Kepler	0.95 m Kepler Telescope	2.79 day	1.69 Rearth	—	1784 K	Q1-Q17 DR25 KOI Table
2012	Transit	Kepler	0.95 m Kepler Telescope	2.79 day	1.65 Rearth	—	—	Fulton & Petigura 2018
2012	Transit	Kepler	0.95 m Kepler Telescope	—	1.89 Rearth	—	—	Berger et al. 2018
2012	Transit	Kepler	0.95 m Kepler Telescope	2.79 day	—	—	—	Holczer et al. 2016
2012	Transit	Kepler	0.95 m Kepler Telescope	2.79 day	1.64 Rearth	10.40 Mearth	1956 K	Howell et al. 2012
2012	Transit	Kepler	0.95 m Kepler Telescope	2.79 day	1.72 Rearth	—	1863 K	Q1-Q8 KOI Table

Kepler-21 b

Fast scan of the current planet profile

Radius against familiar reference worlds

Underlying measurements and references