TOI-1533 Overview

TOI-1533 0.88 R_⦿ 5053.00 K

TOI-1533 b

0.258 R_Jup

TOI-1533 c

0.669 R_Jup

Overview Parameters Nearby Data Bibliography 3 Legend Expand All

TOI-1533 Architecture & Discovery Information

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
TOI-1533
TOI-1533 b	3.65 d	2.89 R_⨁	Transit	2026	Mantovan et al. 2026	Confirmed Planet
TOI-1533 c	8.06 d	> 7.5 R_⨁	Transit	2026	Mantovan et al. 2026	Confirmed Planet

TOI-1533 Stellar Parameters (4 Solutions)

RA: 23h40m59.21s

Dec: +57d29m06.87s

Distance: 100.0510+0.2990-0.2976
pc

Parallax: 9.9660900±0.0295699 mas

Ecliptic Latitude: 52.31533 deg

Ecliptic Longitude: 28.80225 deg

Galactic Latitude: -4.09721 deg

Galactic Longitude: 113.54739 deg

Total Proper Motion: 39.7344388±0.0466917 mas/yr

Proper Motion (RA): 19.7994000±0.0449786 mas/yr

Proper Motion (Dec): -34.4501000±0.0472439 mas/yr

Photometry: m_V
10.953±0.011; m_TESS
10.1128±0.0062; m_J
9.34±0.03; m_H
8.955±0.028; m_Ks
8.832±0.019; m_W1
8.782±0.023; m_W2
8.856±0.020; m_W3
8.798±0.033; m_W4
8.890±0.491; m_Gaia
10.681500±0.000687; m_B
11.813±0.141

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

Source	Mantovan et al. 2026	TICv8	ExoFOP	ExoFOP
T_eff (K)	5146±81	5053.000+113.357-126.389	5053.0±119.9	5053.0±119.9
L_✶ (log₁₀(L_⦿))	-0.35+0.03-0.03	-0.3426798+0.0120767-0.0133893	---	---
ρ_✶ (g/cm³)	2.03±0.10	1.747240+0.402479-0.434675	---	---
M_✶ (M_⦿)	0.88±0.04	0.8430000+0.1243400-0.0759973	---	---
R_✶ (R_⦿)	0.849±0.004	0.8794560+0.0647844-0.0395573	0.88±0.05	0.88±0.05
log g (log₁₀(cm/s²))	4.50±0.15	4.4754700+0.0783539-0.0891563	4.48±0.08	4.48±0.08
Metallicity (dex)	0.24±0.06 [Fe/H]	---	---	---
γ (km/s)	-23.73±0.30	---	---	---
v sin i (km/s)	2.5±0.5	---	---	---
Age (Gyr)	6.90+1.80-3.40	---	---	---
CAII LOG RHK	-4.55±0.03	---	---	---
P_rot (days)	20.02+0.37-0.33	---	---	---

TOI-1533 b Planetary Parameters (2 Solutions)

Status: Confirmed Planet

Detected By: Radial Velocity, Transit

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

Source	Mantovan et al. 2026	ExoFOP
a/R_✶	11.26±0.17	---
b	0.61±0.02	---
ω (deg)	90	---
M_p (M_⨁)	28.1+3.3-3.4	---
M_p (M_Jup)	0.0884+0.0104-0.0107	---
e	0	---
i (deg)	86.92±0.14	---
P (days)	3.6457974±0.0000034	3.6458046±0.0000070
ρ (g/cm³)	6.5±0.9	---
R_p (R_⨁)	2.89±0.06	2.932720±0.198607
R_p (R_Jup)	0.258±0.005	0.2616402±0.0177186
R_p/R_✶	0.0312±0.0005	---
K (m/s)	12.8+1.4-1.5	---
a (au)	0.0445±0.0008	---
T₁₄ (hours)	2.07±0.02	1.828±0.436
T_C (days)	2459877.6762±0.0005 (BJD)	2460446.4218050±0.0017333 (BJD)
T_eq (K)	---	1011
S (S_⨁)	---	173.908
δ (%)	---	0.11680000±0.00600418

TOI-1533 c Planetary Parameters (2 Solutions)

Status: Confirmed Planet

Detected By: Radial Velocity, Transit

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

Source	Mantovan et al. 2026	ExoFOP
T_eq (K)	---	628
S (S_⨁)	---	25.9007
P (days)	8.0637926±0.0000052	8.0637954±0.0000121
R_p (R_⨁)	>7.5	9.294310±3.126430
R_p (R_Jup)	>0.67	0.8291842±0.2789219
δ (%)	---	0.230100±0.611254
T₁₄ (hours)	1.22±0.02	0.8040±0.2800
T_C (days)	2459853.8872±0.0005 (BJD)	2460442.544963±0.001201 (BJD)
a/R_✶	19.11±0.29	---
b	1.12±0.05	---
ω (deg)	90	---
M_p (M_⨁)	36.6+4.0-3.9	---
M_p (M_Jup)	0.115+0.013-0.012	---
e	0	---
i (deg)	86.64±0.17	---
ρ (g/cm³)	<0.48	---
R_p/R_✶	0.18±0.05	---
K (m/s)	12.8±1.3	---
a (au)	0.076±0.002	---

Nearby Data (within 30 arcseconds) Browse Nearby Data

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Known Objects: 2 Confirmed Planets; 12 2MASS Point Source Catalog

Data Files: 4 SuperWASP Time Series; 2 Associated Literature Data

Bibliography (3 References)

System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive

Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2

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