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

K2-400 Overview

K2-400 0.38 R⦿ 3411.00 K
K2-400 b
0.104 RJup

K2-400 Architecture & Discovery Information

Name Orbital Separation Planet Size Method Year Reference Disposition
K2-400
K2-400 b 3.87 d 1.16 R⨁ Transit 2022 Christiansen et al. 2022 Confirmed Planet
RA
10h18m02.65s
Dec
+03d41m48.94s
Distance
62.3804+0.2344-0.2327
pc
Parallax
16.0021000±0.0595686 mas
Ecliptic Latitude
-6.41124 deg
Ecliptic Longitude
155.0166 deg
Galactic Latitude
46.54575 deg
Galactic Longitude
238.74447 deg
Total Proper Motion
76.7375222±0.0817519 mas/yr
Proper Motion (RA)
-69.3460000±0.0808659 mas/yr
Proper Motion (Dec)
32.8600000±0.0855867 mas/yr
Photometry
mV
15.108±0.067
mTESS
12.7763000±0.0076166
mJ
11.262±0.023
mH
10.684±0.023
mKs
10.405±0.024
mKep
14.030
mW1
10.265±0.023
mW2
10.146±0.021
mW3
9.9890±0.1030
mW4
8.514
mGaia
13.98990±0.00049
mB
16.737±0.028
mg
15.9653000±0.0036572
mi
13.6638000±0.0011663
mr
14.5438000±0.0038441
mu
18.6781000±0.0170826
mz
12.6523000±0.0035752
Mission
K2 : Observed in Campaign 14
Tools
Planetary Systems
ExoFOP Target Overview Page
IRSA Finding Chart
K2 Names
K2 Planets and Candidates
K2 Targets
Stellar Hosts
K2 Time Series
Source Christiansen et al. 2022 TICv8 Zink et al. 2021
Teff
(K)
3578±138 3411.0±157.0 3578.0±138.0
L✶
(log10(L⦿))
---
-1.74791+0.09551-0.12262
 ---
ρ✶
(g/cm3)
--- 9.349573±0.336344 ---
M✶
(M⦿)
0.374±0.009 0.3719030±0.0203836 0.374±0.009
R✶
(R⦿)
0.382±0.012 0.382767±0.011586 0.3820±0.0120
log g
(log10(cm/s2))
4.847±0.028 4.8426300±0.0024723 4.8470±0.0280
Metallicity
(dex)
-0.0510±0.2350 [Fe/H] --- -0.0510±0.2350 [Fe/H]
Sp. T
--- --- M3
Print
Status
Confirmed Planet
Detected By
Transit
Tools
Planetary Systems
Transit Prediction Service
K2 Names
K2 Planets and Candidates
Transit
Source Christiansen et al. 2022 Zink et al. 2021
a/R✶
19.12+0.79-0.85
19.12+0.79-0.85
b
0.208+0.165-0.140
0.208+0.165-0.140
P
(days)
3.865053+0.000186-0.000182
3.865053+0.000186-0.000182
Rp
(R⨁)
1.163+0.051-0.049
1.163+0.051-0.049
Rp
(RJup)
0.1038+0.0045-0.0044
0.1038+0.0045-0.0044
Rp/R✶
0.0279±0.0010 0.0279±0.0010
T14
(hours)
--- 1.6
TC
(days)
2457908.6234+0.0025-0.0026
(JD)
2457908.623359+0.002520-0.002559
(BJD)
Print
Known Objects
1 Confirmed Planets
1 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
NExScI Logo IPAC Logo Caltech Logo JPL Logo NASA Logo

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.