TOI-4552 Overview

TOI-4552 0.29 R_⦿ 3264.00 K

TOI-4552 b

0.099 R_Jup

Overview Parameters Nearby Data Bibliography 3 Legend Expand All

TOI-4552 Architecture & Discovery Information

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
TOI-4552
TOI-4552 b	0.3 d	1.11 R_⨁	Transit	2026	Srivastava et al. 2026	Confirmed Planet

TOI-4552 Stellar Parameters (3 Solutions)

RA: 17h38m51.42s

Dec: -47d38m13.36s

Distance: 27.2684+0.0506-0.0504
pc

Parallax: 36.6437000±0.0674179 mas

Ecliptic Latitude: -24.26938 deg

Ecliptic Longitude: 266.0917 deg

Galactic Latitude: -8.63627 deg

Galactic Longitude: 343.29726 deg

Total Proper Motion: 491.3190254±0.0746865 mas/yr

Proper Motion (RA): -134.7270000±0.0923589 mas/yr

Proper Motion (Dec): -472.4860000±0.0730619 mas/yr

Photometry: m_V
14.44±0.20; m_TESS
11.9251000±0.0073571; m_J
10.256±0.024; m_H
9.659±0.021; m_Ks
9.395001±0.020000; m_Gaia
13.239200±0.000465

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

Source	Srivastava et al. 2026	TICv8	ExoFOP
T_eff (K)	3258±115	3264.0±157.0	3304±100
L_✶ (log₁₀(L_⦿))	-2.08+0.06-0.07	-2.07703+0.09820-0.12710	---
ρ_✶ (g/cm³)	15.803+1.057-1.302	15.695596±0.194684	---
M_✶ (M_⦿)	0.2619±0.0063	0.2609280±0.0201584	---
R_✶ (R_⦿)	0.2869±0.0088	0.286178±0.008567	0.28617799282074±0.00856701000000
log g (log₁₀(cm/s²))	4.940±0.028	4.9413200±0.0076093	4.962120±0.508614
Metallicity (dex)	-0.070±0.090 [Fe/H]	---	---
γ (km/s)	-26.2162±0.9744	---	---
Sp. T	M4.5 V	---	---

TOI-4552 b Planetary Parameters (2 Solutions)

Status: Confirmed Planet

Detected By: Radial Velocity, Transit

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

Source	Srivastava et al. 2026	ExoFOP
T_eq (K)	1122±10	1027.59641804422
S (S_⨁)	263±40	263.518632878574
P (days)	0.30110032±0.00000014	0.301150580637201±0.000029006222000
R_p (R_⨁)	1.11±0.04	1.28011238337802±0.24046646000000
R_p (R_Jup)	0.0990±0.0036	0.114204174102826±0.021453017579020
δ (%)	0.1258±0.0055	0.145769739751313±0.018585797000000
T₁₄ (hours)	---	0.64048413083924±0.19197765000000
T_C (days)	2459361.88587913±0.00024681 (BJD)	2459361.88233500±0.00116994 (BJD)
b	0.16+0.12-0.11	---
ω (deg)	90	---
M_p (M_⨁)	1.83±0.47	---
M_p (M_Jup)	0.00576±0.00148	---
e	0	---
i (deg)	87.77+1.94-1.90	---
ρ (g/cm³)	7.74±2.14	---
R_p/R_✶	0.0352±0.0009	---
K (m/s)	4.32+1.04-1.08	---
a (au)	0.0056255±0.0000003	---

Nearby Data (within 30 arcseconds) Browse Nearby Data

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Known Objects: 1 Confirmed Planets; 8 2MASS Point Source Catalog

Data Files: 1 Associated Literature Data

Bibliography (3 References)

TOI-4552 b: A new ultra-short period rocky world revealed by NIRPS and TESS
Srivastava 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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