K2-72b

Short description: Extrasolar planet

K2-72bDiscovery

Discovery date| July 18, 2016

Detection method

| Transit
Orbital characteristics

Semi-major axis

| 0.0370 ± 0.0047 AU (5,540,000 ± 700,000 km)[1]
Orbital period| 5.57739±0.00068[1] d
Star| K2-72[1]
Physical characteristics
Mean radius| 0.067±0.018 |♃|J}}}}}}
0.75±0.20 [1] R⊕

K2-72b is a small exoplanet orbiting around the red dwarf star K2-72 approximately 227.7 light-years away. K2-72b completes an orbit in 5.57 days, and it has a radius of only 75% of that of the Earth.

## References

1. ↑ 1.0 1.1 1.2 1.3 "K2-72b CONFIRMED PLANET OVERVIEW PAGE". NASA Exoplanet Archive. http://exoplanetarchive.ipac.caltech.edu/cgi-bin/DisplayOverview/nph-DisplayOverview?objname=k2-72+b&type=CONFIRMED_PLANET.

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2016 in space

* « 2015

2017 »

Spacecraft launches|

* ExoMars Trace Gas Orbiter (Mars orbiter) / Schiaparelli EDM (Mars lander)
* Hitomi (X-ray observatory)
* OSIRIS-REx (mission to asteroid)

Selected NEOs|

* Asteroid close approaches
* 2013 TX68
* 252P/LINEAR
* 2016 EU85
* 469219 Kamoʻoalewa
* 2016 PQ
* P/2016 BA14

Planets|

| Extrasolar |

* HD 19467 b
* 2MASS J2126–8140
* BD+20 594b
* Pr0211 c
* TRAPPIST-1b
* TRAPPIST-1c
* TRAPPIST-1d
* KELT-9b
* Kepler-1229b
* Kepler-1520b
* Kepler-1638b
* Kepler-1647b
* Kepler-20g
* V830 Tauri b
* Qatar-3b
* Qatar-4b
* Qatar-5b
* K2-33b
* HIP 41378 b
* HIP 41378 c
* HIP 41378 d
* HIP 41378 e
* HIP 41378 f
* HD 131399 Ab
* HD 164922 c
* KELT-11b
* K2-72b
* K2-72c
* K2-72d
* K2-72e
* Proxima Centauri b
* 38 Virginis b
* TW Hydrae b
* OGLE-2007-BLG-349(AB)b
* Gliese 536 b

|

Solar|

* Planet Nine (hypothesized)

Rogue|

* 2MASS J1119–1137

Discoveries|

* BOSS Great Wall
* Crater 2
* GW150914 (first observation of gravitational waves, discovered in 2015)
* GW151226 (discovered in 2015)
* GN-z11
* GRB 160625B
* (471325) 2011 KT19
* Virgo I
* 1994 WR12 (recovered)

Comets|

* P/2016 BA14
* C/2016 R2 (PANSTARRS)

Space exploration|

* Juno (entered Jupiter orbit)
* Rosetta / Philae (end of mission to comet 67P)

* Category:2015 in space — Category:2016 in space — Category:2017 in space

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Constellation of Aquarius

* Aquarius in Chinese astronomy
* Aquarius Stream
* List of stars in Aquarius

Stars|

| Bayer|

* α
* β
* γ
* δ
* ε
* ζ
* η
* θ
* ι
* κ
* λ
* μ
* ν
* ξ
* ο
* π
* ρ
* σ
* τ1
* τ2
* υ
* φ
* χ
* ψ2
* ψ3
* ω1
* ω2

|

Flamsteed|

* 1
* 3
* 4
* 5
* 7
* 8
* 9
* 10
* 11
* 12
* 14
* 15
* 16
* 17
* 18
* 19
* 20
* 21
* 24
* 25
* 26
* 28
* 29
* 30
* 32
* 35
* 36
* 37
* 38
* 39
* 40
* 41
* 42
* 44
* 45
* 47
* 49
* 50
* 51
* 53
* 54
* 56
* 58
* 60
* 61
* 64
* 65
* 66
* 67
* 68
* 70
* 72
* 74
* 75
* 77
* 78
* 81
* 82
* 83
* 84
* 85
* 86
* 87
* 88
* 89
* 91
* 94
* 96
* 97
* 98
* 99
* 100
* 101
* 103
* 104
* 106
* 107
* 108

Variable|

* R
* U
* AE
* DV
* EW
* EZ
* FO
* HK
* HU
* IZ
* LP

HD|

* 199442
* 200375
* 202259
* 205765
* 208177
* 210277
* 210434
* 211392
* 211575
* 213429
* 214448
* 214810
* 215114
* 215152
* 216718
* 218061
* 219279
* 220035
* 220466
* 220689
* 220766
* 221148
* 222093
* 222582
* 223311

Other|

* 2MASS J21392676+0220226
* BD−22 5866
* Fomalhaut C
* Gliese 849
* Gliese 876
* K2-28
* K2-72
* K2-138
* LS IV-14 116
* Sneden's Star
* TRAPPIST-1
* WASP-6
* WASP-47

| Exoplanets|

* 91 Aquarii b
* Gliese 849 b
* Gliese 876 b
* c
* d
* e
* HD 206610 b
* HD 210277 b
* HD 212771 b
* HD 222582 b
* K2-21b
* c
* K2-72b
* c
* d
* e
* K2-138b
* TRAPPIST-1b
* c
* d
* e
* f
* g
* h
* WASP-6b

|

| Star clusters|

* Messier 2
* Messier 72
* Messier 73

|

| Nebulae|

* Helix
* Saturn

|

Galaxies|

| NGC|

* 6975
* 7001
* 7010
* 7047
* 7051
* 7065
* 7069
* 7077
* 7081
* 7184
* 7252
* 7257
* 7301
* 7302
* 7600
* 7606
* 7723
* 7727
* 7759

|

Other|

* Aquarius Dwarf
* Lyman-alpha blob 1
* SMM J2135-0102
* WISE J224607.57−052635.0

| Galaxy clusters|

* Abell 2597
* XMMXCS 2215-1738

|

| Astronomical events|

* SN 2213-1745

|

Category

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