K2-101 Overview

K2-101 0.77 R⦿ 4942.00 K
K2-101 b
0.178 RJup

K2-101 Architecture & Discovery Information

Name Orbital Separation Planet Size Method Year Reference Disposition
K2-101
K2-101 b 14.68 d 2 R Transit 2016 Mann et al. 2017 Confirmed Planet
K2-101 b
  • Planet parameter values drawn from Table 3, "External stellar density prior" model in ref. (Mann et al. 2017)
RA
08h41m22.54s
Dec
+18d56m01.75s
Distance
188.330+2.128-2.082
pc
Parallax
5.2818200±0.0588946 mas
Ecliptic Latitude
.62624 deg
Ecliptic Longitude
127.7582 deg
Galactic Latitude
32.44357 deg
Galactic Longitude
206.8287 deg
Total Proper Motion
38.6976148±0.0941981 mas/yr
Proper Motion (RA)
-36.593000±0.097272 mas/yr
Proper Motion (Dec)
-12.5880000±0.0624468 mas/yr
Photometry
mV
12.892±0.114
mTESS
12.0339±0.0065
mJ
11.162±0.023
mH
10.678±0.022
mKs
10.536±0.019
mKep
12.619
mW1
10.482±0.023
mW2
10.579±0.021
mW3
10.297±0.096
mW4
8.403
mGaia
12.66190±0.00047
mB
13.963±0.045
mg
15.6998000±0.0137498
mi
12.4292000±0.0009189
mr
12.67440±0.00142
mu
16.2661000±0.0081971
mz
13.5760000±0.0096604
Source Castro-González et al. 2022 TICv8 Gaia DR2 Mayo et al. 2018 Mann et al. 2017 Luo et al. 2018 Kruse et al. 2019 Rizzuto et al. 2017 Libralato et al. 2016 Barros et al. 2016
Teff
(K)
4927+47-46
4695.4100+84.4928-126.1730
4968.660+121.840-150.738
4942.0±53.0 4819±45 --- --- --- --- ---
Metallicity
(dex)
0.070±0.070 [Fe/H] 0.1057140±0.0353441 [M/H] --- 0.14±0.08 [Fe/H] 0.14±0.04 [Fe/H] --- --- --- --- ---
M
(M⦿)
0.82+0.02-0.03
0.7500000+0.0909230-0.0795882
---
0.833034 +0.019814-0.023858
0.80±0.06 --- --- --- --- ---
R
(R⦿)
0.76±0.01
0.8007650+0.0678312-0.0338523
0.6822776+0.0433605-0.0322694
0.769722 +0.021844-0.015345
0.73±0.03 ---
0.682 +0.032-0.043
--- 0.725 ---
log g
(log10(cm/s2))
4.59+0.01-0.02
4.5061200+0.0879221-0.0880172
--- 4.66±0.1 --- --- --- --- --- ---
L
(log10(L⦿))
---
-0.5516007+0.0175886-0.0205441
-0.59242590+0.00641110-0.00650711
---
-0.5948+0.0156-0.0162
--- --- --- --- ---
γ
(km/s)
--- --- 34.71529550170117±0.89483450792571 --- 34.31±0.17 --- --- --- --- ---
v sin i
(km/s)
--- --- --- ---
3.9+0.9-0.7
--- --- --- --- ---
Age
(Gyr)
--- --- --- --- 0.790±0.030 --- --- --- --- ---
ρ
(g/cm3)
---
2.0592628+0.5465770-0.5305162
--- ---
2.92+0.38-0.39
--- --- --- --- ---
Prot
(days)
--- --- --- --- 10.6±0.6 --- --- --- --- ---
Sp. T
--- --- --- --- --- K3 --- --- --- ---
Source Castro-González et al. 2022 Mayo et al. 2018 Mann et al. 2017 Kruse et al. 2019 Rizzuto et al. 2017 Libralato et al. 2016 Barros et al. 2016
a/R
31.82+2.67-6.79
28.727557 +5.667401-12.497744
32.5+2.3-2.4
30.6 +8.6-3.9
--- --- ---
P
(days)
14.6762429+0.0000201-0.0000203
14.677214 +0.000847-0.000825
14.677286+0.000828-0.000804
14.67665 +0.00058-0.00060
14.6843 14.675828±0.000670 14.66146147
Rp
(R)
2.00+0.14-0.07
2.19420598159 +0.309840781401-0.124351024939
2.0±0.1
1.94 +0.13-0.25
--- 1.85 ---
Rp
(RJup)
0.178+0.012-0.006
0.1957539461 +0.0276421430-0.0110938554
0.18±0.01
0.173 +0.012-0.022
--- 0.165 ---
Rp/R
0.0240+0.0017-0.0007
0.026134 +0.003615-0.001386
0.0247+0.0012-0.0007
0.0261 +0.0013-0.0030
--- 0.0233±0.0004 ---
δ
(%)
--- --- --- 0.0749±0.0021 0.05 0.0638±0.0033 0.072±0.007
T14
(hours)
--- ---
3.23+0.56-0.63
3.33600+0.09600-0.12000
--- ---
5.34700+0.43500-0.43500
TC
(days)
2457152.6849877+0.0011205-0.0011677
(BJD)
2457152.68204 +0.002207-0.002280
2457152.68135+0.00223-0.00230
(BJD)
2457152.6838±0.0015
(BJD)
2457137.98088
(BJD)
2457152.686540±0.001737
(BJD)
2457152.715844
(BJD)
i
(deg)
---
88.857176 +0.816777-1.997734
89.4+0.4-0.5
--- --- 89.26±0.07 ---
b
0.41+0.29-0.28
---
0.35+0.25-0.23
--- --- --- ---
ω
(deg)
--- ---
0.00+152.00-118.00
--- --- --- ---
e
--- ---
0.10+0.18-0.08
--- --- --- ---
Teq
(K)
618+9-25
--- --- --- --- --- ---
a
(au)
0.1124+0.0095-0.0239
--- --- --- --- --- ---
Known Objects
1 Confirmed Planets
3 K2 Targets
2 2MASS Point Source Catalog
Data Files
1 KELT Praesepe Time Series
2 K2 Time Series
1 Associated Literature Data
  • System
  • Star
  • Confirmed
  • Candidate
  • False Positive Planet
  • Controversial
  • False Positive
  • Aliases
  • Data Access
  • Transit Prediction Service
  • Time Series
  • Kepler | K2
  • External Link
  • Search
  • Browse
  • Download