TOI-2578 Overview

TOI-2578 1.27 R_⦿ 6427.80 K

TOI-2578 b

1.754 R_Jup

Overview Parameters Nearby Data Bibliography 3 Legend Expand All

TOI-2578 Architecture & Discovery Information

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
TOI-2578
TOI-2578 b	3.46 d	19.66 R_⨁	Transit	2026	Guenther et al. 2026	Confirmed Planet

TOI-2578 Stellar Parameters (3 Solutions)

RA: 04h32m12.50s

Dec: +52d15m09.56s

Distance: 285.530+3.517-3.435
pc

Parallax: 3.474170±0.042307 mas

Ecliptic Latitude: 29.97399 deg

Ecliptic Longitude: 74.68035 deg

Galactic Latitude: 2.84035 deg

Galactic Longitude: 153.14817 deg

Total Proper Motion: 34.0530207±0.0438131 mas/yr

Proper Motion (RA): 4.4012400±0.0635285 mas/yr

Proper Motion (Dec): -33.7674000±0.0434009 mas/yr

Photometry: m_V
11.353±0.011; m_TESS
10.5863±0.0061; m_J
9.817±0.020; m_H
9.519±0.021; m_Ks
9.424±0.019; m_W1
9.360±0.022; m_W2
9.375±0.019; m_W3
9.323±0.037; m_W4
8.602±0.360; m_Gaia
11.120800±0.000659; m_B
11.886±0.156

Tools: Planetary Systems; ExoFOP Target Overview Page; IRSA Finding Chart; TOI; Stellar Hosts

Source	Guenther et al. 2026	TICv8	ExoFOP
T_eff (K)	6333±244	6427.8000+115.8300-94.3419	6427.8±105.1
L_✶ (log₁₀(L_⦿))	0.519+0.082-0.140	0.3920181+0.0411029-0.0378103	---
Metallicity (dex)	0.01 [Fe/H]	-0.112±0.010 [M/H]	---
ρ_✶ (g/cm³)	0.404+0.038-0.037	0.900522+0.242217-0.204828	---
M_✶ (M_⦿)	1.27±0.09	1.297000+0.256931-0.161480	---
R_✶ (R_⦿)	1.64±0.02	1.2663000+0.0707171-0.0735744	1.26629996299744±0.07214580000000
log g (log₁₀(cm/s²))	4.473±0.018	4.3459300+0.0956418-0.0890548	4.35±0.09
γ (km/s)	59.05±0.38	---	---
v sin i (km/s)	8.0±2.0	---	---
Age (Gyr)	5.6±1.6	---	---

TOI-2578 b Planetary Parameters (2 Solutions)

Status: Confirmed Planet

Detected By: Radial Velocity, Transit

Tools: Planetary Systems; Transit Prediction Service; TOI; Transit

Source	Guenther et al. 2026	ExoFOP
T_eq (K)	1778+75-74	1444.33954677399
S (S_⨁)	1667+298-259	1028.48559236151
P (days)	3.4579667±0.0000033	3.45800184153865±0.00014853374000
R_p (R_⨁)	19.66+0.65-0.64	14.7324848783776±0.8543144000000
R_p (R_Jup)	1.754+0.058-0.057	1.31434652915208±0.07621695699770
δ (%)	1.15116467055+0.03230000000-0.03000000000	1.02182558379607±0.01540900300000
T₁₄ (hours)	2.623±0.026	2.62317189870029±0.03047780300000
T_C (days)	2459911.48030+0.00064-0.00062 (BJD-TDB)	2459911.48010000±0.00064402 (BJD)
b	0.87900+0.00856-0.01000	---
ω (deg)	83.0+40.0-37.0	---
M_p (M_⨁)	167+23-22	---
M_p (M_Jup)	0.526+0.071-0.068	---
e	0.0980+0.0430-0.0420	---
i (deg)	81.32+0.56-0.65	---
ρ (g/cm³)	0.121+0.021-0.019	---
R_p/R_✶	0.1073±0.0014	---
K (m/s)	60.0+7.8-7.6	---
a (au)	0.0495+0.0022-0.0021	---

Nearby Data (within 30 arcseconds) Browse Nearby Data

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Known Objects: 1 Confirmed Planets; 4 2MASS Point Source Catalog

Data Files: 2 SuperWASP Time Series; 1 Associated Literature Data

Bibliography (3 References)

The Discovery of Five Hot Jupiters by TESS
Guenther et al. 2026 Reference Overview
The Revised TESS Input Catalog and Candidate Target List
TICv8 Reference Overview
ExoFOP TOI Table
ExoFOP

System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive

Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2

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