K2-61 Overview

K2-61 1.36 R_⦿ 6293.00 K

K2-61 b

0.171 R_Jup

Overview Parameters Nearby Data Bibliography 11 Legend Expand All

K2-61 Architecture & Discovery Information

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
K2-61
K2-61 b	2.57 d	1.92 R_⨁	Transit	2016	Crossfield et al. 2016	Confirmed Planet

K2-61 Stellar Parameters (8 Solutions)

RA: 22h38m41.96s

Dec: -13d33m36.16s

Distance: 405.732+8.413-8.083
pc

Parallax: 2.436940±0.049706 mas

Ecliptic Latitude: -4.63464 deg

Ecliptic Longitude: 336.14333 deg

Galactic Latitude: -56.20059 deg

Galactic Longitude: 49.89609 deg

Total Proper Motion: 23.1430641±0.0905154 mas/yr

Proper Motion (RA): 22.026700±0.091951 mas/yr

Proper Motion (Dec): -7.1011200±0.0753173 mas/yr

Photometry: m_V
13.173±0.080; m_TESS
12.3951±0.0071; m_J
11.758±0.022; m_H
11.423±0.021; m_Ks
11.385±0.024; m_Kep
12.975; m_W1
11.328±0.023; m_W2
11.378±0.021; m_W3
11.173±0.168; m_W4
8.608; m_Gaia
12.857500±0.000404; m_B
13.701±0.094

Abundances (Hypatia Catalog): [Fe/H] 0.02±0.04 dex; [C/H] -0.02±0.09 dex; [O/H] -0.04±0.09 dex; [Na/H] -0.10±0.04 dex; [Mg/H] 0.02±0.07 dex; [Al/H] -0.08±0.06 dex; [Si/H] 0.04±0.05 dex; [Ca/H] 0.05±0.06 dex; [Y/H] 0.08±0.08 dex

Mission: K2 : Observed in Campaign 3

Tools: Planetary Systems; ExoFOP Target Overview Page; IRSA Finding Chart; K2 Names; K2 Planets and Candidates; K2 Targets; Stellar Hosts; K2 Time Series

Source	Howard et al. 2025	TICv8	Gaia DR2	Mayo et al. 2018	Crossfield et al. 2016	Kruse et al. 2019	Barros et al. 2016	Vanderburg et al. 2016
T_eff (K)	5748.0±100.0	5718.0000+165.1450-90.9529	5527.00+199.00-76.23	5761.0±50.0	6293±338	---	---	5680
M_✶ (M_⦿)	0.970±0.040	1.020000+0.145574-0.114946	---	1.030202 +0.029448-0.028891	1.21±0.22	---	---	---
R_✶ (R_⦿)	0.9950±0.0420	1.0012500+0.0358060-0.0715307	1.0459462+0.0294601-0.0714377	1.015751 +0.110165-0.057238	1.36±0.41	1.046 +0.071-0.029	---	0.95
log g (log₁₀(cm/s²))	4.380±0.085	4.4455800+0.0679833-0.0863689	---	4.38±0.1	4.25±0.20	---	---	---
Metallicity (dex)	0.030±0.048 [Fe/H]	---	---	0.17±0.08 [Fe/H]	---	---	---	---
L_✶ (log₁₀(L_⦿))	---	-0.015242504+0.026130565-0.017884745	-0.036328669+0.013208489-0.013622843	---	---	---	---	---
γ (km/s)	---	---	-8.149652412522347±3.130920911379125	---	---	---	---	---
ρ_✶ (g/cm³)	---	1.4326373+0.3353117-0.3006257	---	---	---	---	---	---
v sin i (km/s)	1.6±1.0	---	---	---	---	---	---	---
S Index	0.1433	---	---	---	---	---	---	---
CAII LOG RHK	-5.119	---	---	---	---	---	---	---

K2-61 b Planetary Parameters (6 Solutions)

Status: Confirmed Planet

Detected By: Transit

Tools: Planetary Systems; Transit Prediction Service; K2 Names; K2 Planets and Candidates; Transit

Source	Howard et al. 2025	Mayo et al. 2018	Crossfield et al. 2016	Kruse et al. 2019	Barros et al. 2016	Vanderburg et al. 2016
a/R_✶	---	6.617142 +0.866369-2.131969	---	6.24 +2.06-0.90	---	---
P (days)	2.57336±0.00016	2.573413 +0.000159-0.000166	2.57302±0.00020	2.57333 +0.00016-0.00015	2.57275378	2.5735352
R_p (R_⨁)	1.92+0.11-0.05	1.93284330638 +0.321650600028-0.146778035357	2.48±0.79	2.03 +0.21-0.43	---	1.94
R_p (R_Jup)	0.171+0.010-0.004	0.1724367300 +0.0286957445-0.0130946592	0.221±0.070	0.181 +0.019-0.038	---	0.173
R_p/R_✶	---	0.017445 +0.002202-0.000888	0.0166±0.0011	0.0178 +0.0014-0.0037	---	0.01706
δ (%)	---	---	---	0.0364±0.0014	0.022±0.002	0.0348
T₁₄ (hours)	---	---	2.33±0.15	2.80800+0.12000-0.19200	2.14400	2.61000
T_C (days)	2456983.2140±0.0022 (BJD)	2456980.64006 +0.002401-0.002396	2456983.2196±0.0027 (BJD-TDB)	2456978.0676±0.0023 (BJD)	2456983.224737 (BJD)	2456980.638 (BJD)
T_eq (K)	1325.0±38.0	---	---	---	---	---
S (S_⨁)	730.0+86.0-79.0	---	1686±1125	---	---	---
b	---	---	---	---	---	0.30
a (au)	---	---	0.0392±0.0024	---	---	---
i (deg)	---	85.996324 +2.881945-6.365911	---	---	---	---

Nearby Data (within 30 arcseconds) Browse Nearby Data

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Known Objects: 1 Confirmed Planets; 1 K2 Targets; 1 2MASS Point Source Catalog

Data Files: 1 K2 Time Series; 1 Associated Literature Data

Bibliography (11 References)

Planet Masses, Radii, and Orbits from NASA's K2 Mission
Howard et al. 2025 Reference Overview
The Revised TESS Input Catalog and Candidate Target List
TICv8 Reference Overview
Detection of Hundreds of New Planet Candidates and Eclipsing Binaries in K2 Campaigns 0-8
Kruse et al. 2019 Reference Overview
Gaia Data Release 2
Gaia DR2 Reference Overview
275 Candidates and 149 Validated Planets Orbiting Bright Stars in K2 Campaigns 0-10
Mayo et al. 2018 Reference Overview
New planetary and eclipsing binary candidates from campaigns 1-6 of the K2 mission
Barros et al. 2016 Reference Overview
197 Candidates and 104 Validated Planets in K2’s First Five Fields
Crossfield et al. 2016 Reference Overview
The K2 Ecliptic Plane Input Catalog (EPIC) and Stellar Classifications of 138,600 Targets in Campaigns 1-8
EPIC Catalog Reference Overview
Planetary Candidates from the First Year of the K2 Mission
Vanderburg et al. 2016 Reference Overview
All WISE Data Release
Cutri et al. 2014 Reference Overview
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog Reference Overview

System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive

Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2

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