TOI-4458 Overview

TOI-4458 2.10 R_⦿ 5904.40 K

TOI-4458 b

1.107 R_Jup

Overview Parameters Nearby Data Bibliography 3 Legend Expand All

TOI-4458 Architecture & Discovery Information

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
TOI-4458
TOI-4458 b	3.94 d	12.41 R_⨁	Transit	2026	Guenther et al. 2026	Confirmed Planet

TOI-4458 Stellar Parameters (3 Solutions)

RA: 16h48m30.24s

Dec: +74d45m49.50s

Distance: 505.432+5.099-5.001
pc

Parallax: 1.94969±0.01962 mas

Ecliptic Latitude: 79.97212 deg

Ecliptic Longitude: 117.59136 deg

Galactic Latitude: 34.02011 deg

Galactic Longitude: 107.1166 deg

Total Proper Motion: 13.4531507±0.0480898 mas/yr

Proper Motion (RA): -0.5352180±0.0344583 mas/yr

Proper Motion (Dec): -13.4425000±0.0481083 mas/yr

Photometry: m_V
11.172±0.018; m_TESS
11.0672±0.0072; m_J
10.514±0.018; m_H
10.231±0.015; m_Ks
10.166±0.022; m_W1
10.147±0.023; m_W2
10.189±0.020; m_W3
10.133±0.044; m_W4
8.966; m_Gaia
11.479600±0.000255; m_B
12.180±0.212; m_g
12.0573000±0.0008736; m_i
11.4059000±0.0007552; m_r
11.519200±0.000727; m_u
14.814200±0.007964; m_z
13.4267000±0.0145403

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

Source	Guenther et al. 2026	TICv8	ExoFOP
T_eff (K)	6151±160	5997.000+119.381-134.555	5904.4±122.0
R_✶ (R_⦿)	1.96±0.04	2.0955600+0.0901387-0.1100620	2.09556007385254±0.10010000000000
log g (log₁₀(cm/s²))	3.96±0.19	3.8407900+0.0822475-0.0789923	3.84±0.08
L_✶ (log₁₀(L_⦿))	0.728+0.042-0.043	0.7090293+0.0167640-0.0198914	---
ρ_✶ (g/cm³)	0.6±0.3	0.1700561+0.0473609-0.0271349	---
M_✶ (M_⦿)	1.47±0.04	1.110000+0.151074-0.136652	---
Metallicity (dex)	0.170 [Fe/H]	---	---
γ (km/s)	-53.84±0.39	---	---
v sin i (km/s)	8.0±2.0	---	---
Age (Gyr)	2.8±0.3	---	---

TOI-4458 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)	1759+30-31	1703.43037608978
b	0.0550+0.0640-0.0390	---
S (S_⨁)	1595+113-111	1989.84180832392
ω (deg)	-83.0+27.0-31.0	---
M_p (M_⨁)	552.1±30.2	---
M_p (M_Jup)	1.737±0.095	---
e	0.030+0.024-0.020	---
i (deg)	89.46+0.38-0.61	---
P (days)	3.9393792±0.0000018	3.93937096475883±0.00000430475700
ρ (g/cm³)	1.59+0.14-0.13	---
R_p (R_⨁)	12.41±0.26	13.6344163499685±0.6607858500000
R_p (R_Jup)	1.107±0.023	1.21638324794051±0.05895146647902
R_p/R_✶	0.05804±0.00018	---
K (m/s)	173.0+8.8-9.0	---
a (au)	0.0522+0.0016-0.0015	---
δ (%)	0.3368±0.0021	0.405150894261868±0.002237891800000
T₁₄ (hours)	5.753±0.013	5.81320508841988±0.03580876400000
T_C (days)	2459711.66523+0.00020-0.00021 (BJD-TDB)	2459392.57625100±0.00035213 (BJD)

Nearby Data (within 30 arcseconds) Browse Nearby Data

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

Data Files: 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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