IPAC Logo
NASA
Exoplanet
Archive
A
service of
NASA
Exoplanet
Science
Institute

K2-182 Overview

  • Star: K2-182
    • Stellar Radius: 0.82 Solar Radius
    • Stellar Effective Temperature: 5069.23 K
    • Planet: K2-182 b
      • Disposition Confirmed
      • Planet Radius 0.242 Jupiter Radius

K2-182 Architecture & Discovery Information

Name Orbital Separation Planet Size Method Year Reference Disposition
K2-182
K2-182 b 4.74 d 2.71 R⨁ Transit 2018 Mayo et al. 2018 Confirmed Planet
RA
08h40m43.21s
Dec
+10d58m58.62s
Distance
154.830+1.256-1.236
pc
Parallax
6.4303800±0.0515848 mas
Ecliptic Latitude
-7.09689 deg
Ecliptic Longitude
129.65864 deg
Galactic Latitude
29.20051 deg
Galactic Longitude
215.28839 deg
Total Proper Motion
65.1770947±0.0883979 mas/yr
Proper Motion (RA)
-65.1617000±0.0884084 mas/yr
Proper Motion (Dec)
1.4165200±0.0624341 mas/yr
Photometry
mV 11.833±0.069
mTESS 11.1704±0.0061
mJ 10.408±0.021
mH 9.9940±0.0220
mKs 9.913±0.023
mKep 11.742
mW1 9.845±0.023
mW2 9.917±0.020
mW3 9.896±0.054
mW4 9.044
mGaia 11.720200±0.000589
mB 12.868±0.112
mg 12.5567000±0.0011658
mi 11.5542000±0.0013282
mr 11.7948000±0.0010108
mu 15.2470000±0.0064198
mz 11.8530000±0.0033305
Abundances
(Hypatia Catalog)
[Fe/H] 0.12±0.04 dex
[Mg/H] 0.08±0.07 dex
Mission
K2: Observed in Campaigns 5, 18
Tools
Planetary Systems
ExoFOP Target Overview Page
IRSA Finding Chart
TOI
K2 Names
K2 Planets and Candidates
K2 Targets
Stellar Hosts
K2 Time Series
Source Thygesen et al. 2023 Castro-González et al. 2022 Akana Murphy et al. 2021 TICv8 Livingston et al. 2018 Gaia DR2 Mayo et al. 2018 Kruse et al. 2019 Petigura et al. 2018 ExoFOP Pope et al. 2016 Barros et al. 2016
Teff
(K)
5128.0+79.0-80.0
5181+48-42
 5170±100
5180.600+66.503-147.973
 5165±50
5069.23+129.77-119.23
 5159.0±50.0 --- --- 5069.2±124.4 --- ---
L✶
(log10(L⦿))
-0.411+0.014-0.014
 ---
-0.408+0.015-0.014
-0.3915841+0.0112046-0.0168262
 ---
-0.39583521+0.00472966-0.00478174
 --- --- --- --- --- ---
γ
(km/s)
--- --- --- --- --- 22.98000720555371±0.38791596082164 --- --- --- --- --- ---
R✶
(R⦿)
0.789+0.025-0.023
 0.80±0.01
0.793+0.013-0.011
0.7908620+0.0518990-0.0297794
 0.80±0.01
0.8219607+0.0400738-0.0405211
0.790138 +0.031997-0.020589
0.822 +0.041-0.040
0.82 0.79±0.04 --- ---
Metallicity
(dex)
0.022+0.077-0.066
[Fe/H]
-0.02+0.06-0.07
[Fe/H] 		0.12±0.06 [Fe/H] 0.155±0.024 [M/H] 0.090±0.050 [Fe/H] --- -0.01±0.08 [Fe/H] --- --- --- --- ---
ρ✶
(g/cm3)
2.37+0.23-0.22
 --- ---
2.5024135+0.4938509-0.6220111
2.256+0.515-0.448
 --- --- --- --- --- --- ---
M✶
(M⦿)
0.823+0.036-0.033
0.84+0.03-0.04
0.865+0.016-0.018
0.8780000+0.1233240-0.0915254
 0.88±0.02 ---
0.846996 +0.023628-0.030788
--- --- --- --- ---
log g
(log10(cm/s2))
4.560+0.029-0.032
4.56+0.02-0.03
 4.61±0.10
4.5853600+0.0769315-0.0819991
 4.58±0.01 --- 4.59±0.1 --- --- 4.46±2.00 --- ---
Age
(Gyr)
6.20+4.90-4.20
 ---
2.07+2.14-1.36
 --- --- --- --- --- --- --- --- ---
Print
Status
Confirmed Planet
Detected By
Radial Velocity, Transit
Tools
Planetary Systems
Transit Prediction Service
TOI
K2 Names
K2 Planets and Candidates
Transit
Source Thygesen et al. 2023 Castro-González et al. 2022 Akana Murphy et al. 2021 Livingston et al. 2018 Mayo et al. 2018 Kruse et al. 2019 Petigura et al. 2018 ExoFOP Barros et al. 2016 Pope et al. 2016
a/R✶
14.11+0.44-0.46
13.98+0.55-1.81
 14.23±0.22
13.89+0.59-1.65
13.441361 +1.110092-2.348025
13.75 +1.91-0.73
--- --- --- ---
i
(deg)
88.91+0.71-0.69
 --- 89.4±0.6 ---
88.278964 +1.231581-1.690343
--- --- --- --- ---
P
(days)
4.7369696±0.0000017 4.7369729±0.0000020 4.7369683±0.0000023
4.736837+0.000079-0.000081
4.736884 +0.000071-0.000075
4.736893 +0.000048-0.000050
4.736834 +0.000082-0.000084
4.7369669±0.0000024 4.73730765 4.737
Rp
(R⨁)
2.713+0.111-0.091
2.70+0.09-0.05
2.69+0.07-0.05
 2.76±0.07
2.76720667853 +0.170926414782-0.100153819154
2.86 +0.15-0.22
2.9 +0.2-0.1
2.939240±0.156577 --- ---
Rp
(RJup)
0.2420+0.0099-0.0081
0.241+0.008-0.004
0.240+0.006-0.004
 0.246±0.006
0.2468736443 +0.0152490333-0.0089351253
0.255 +0.013-0.020
0.26 +0.02-0.01
0.2622219±0.0139689 --- ---
Rp/R✶
0.03143+0.00068-0.00036
0.0308+0.0011-0.0004
0.03111+0.00063-0.00052
0.0317+0.0011-0.0004
0.032108 +0.001498-0.000807
0.03188 +0.00072-0.00192
0.0317 +0.0018-0.0006
--- --- 0.031257
TC
(days)
2457652.79755+0.00027-0.00028
(BJD-TDB)
2457145.9420111+0.0002707-0.0002661
(BJD)
2457719.11517±0.00028
(BJD)
2457141.20626+0.00073-0.00072
(BJD)
2457141.20585 +0.000645-0.000654
2457141.20525±0.00045
(BJD)
2457141.2063 +0.000761-0.000754
(BJD)
2460277.077587±0.001291
(BJD)
2457145.93966
(BJD)
2457141.205
(BJD)
Teq
(K)
965.8+10.0-9.8
982.0+9.0-22.0
 969±20 885±10 --- --- --- 1166 --- ---
b
0.27+0.19-0.18
0.28+0.27-0.20
0.20+0.19-0.13
0.30+0.25-0.21
 --- ---
0.34 +0.30-0.24
--- --- 0.042
a
(au)
0.05174+0.00075-0.00070
0.0519+0.0022-0.0067
 0.0526±0.0003 0.0529±0.0003 --- --- --- --- --- ---
S
(S⨁)
--- ---
146.9+12.6-11.8
 --- --- --- --- 307.522 --- ---
ω
(deg)
-160.0+110.0-130.0
 ---
210+110-130
 --- --- --- --- --- --- ---
Mp
(M⨁)
21+5-5
 --- 20±5 --- --- --- --- --- --- ---
Mp
(MJup)
0.066+0.017-0.016
 --- 0.063±0.016 --- --- --- --- --- --- ---
e
0.0710+0.1100-0.0510
 ---
0.040+0.190-0.030
 --- --- --- --- --- --- ---
ρ
(g/cm3)
5.7+1.6-1.5
 --- 5.6±1.4 --- --- --- --- --- --- ---
K
(m/s)
9.10±2.30 --- 8.40±2.00 --- --- --- --- --- --- ---
T14
(hours)
2.56632+0.02400-0.02112
 ---
2.561+0.056-0.143
 --- ---
2.58000+0.03600-0.04080
2.57040+0.04080-0.03120
 2.580±0.099
2.83300+0.07700-0.07700
 2.41008
δ
(%)
0.09880+0.00430-0.00230
 --- --- --- ---
0.1178 +0.0012-0.0013
--- 0.12380000±0.00298764 0.115±0.002 0.0977
Print
Known Objects
1 Confirmed Planets
2 K2 Targets
2 2MASS Point Source Catalog
Data Files
1 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

NASA Exoplanet Archive is operated by the California Institute of Technology, under contract with the National Aeronautics and Space Administration under the Exoplanet Exploration Program.