TOI-912 Overview

TOI-912 0.43 R_⦿ 3482.00 K

TOI-912 b

0.172 R_Jup

Overview Parameters Nearby Data Bibliography 3 Legend Expand All

TOI-912 Architecture & Discovery Information

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
TOI-912
TOI-912 b	4.68 d	1.93 R_⨁	Transit	2025	Lacedelli et al. 2026	Confirmed Planet

TOI-912 Stellar Parameters (3 Solutions)

RA: 15h17m18.86s

Dec: -80d28m24.04s

Distance: 26.1072+0.0167-0.0166
pc

Parallax: 38.2746000±0.0242374 mas

Ecliptic Latitude: -58.74824 deg

Ecliptic Longitude: 257.99619 deg

Galactic Latitude: -19.34411 deg

Galactic Longitude: 308.91652 deg

Total Proper Motion: 460.6109780±0.0399298 mas/yr

Proper Motion (RA): -450.9550000±0.0398236 mas/yr

Proper Motion (Dec): -93.8193000±0.0423091 mas/yr

Photometry: m_V
12.670±0.048; m_TESS
10.4904000±0.0073198; m_J
9.089±0.023; m_H
8.468±0.040; m_Ks
8.204001±0.023000; m_Gaia
11.650200±0.000402; m_B
14.170±0.018

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

Source	Lacedelli et al. 2026	TICv8	ExoFOP
T_eff (K)	3572±100	3482.0±157.0	3566±66
L_✶ (log₁₀(L_⦿))	-1.59+0.01-0.01	-1.61822+0.09396-0.12007	---
ρ_✶ (g/cm³)	7.8±0.7	7.65251±0.31818	---
M_✶ (M_⦿)	0.418±0.030	0.4210060±0.0203416	---
R_✶ (R_⦿)	0.419±0.028	0.4264650±0.0127779	0.426465004682541±0.012777900000000
log g (log₁₀(cm/s²))	4.98±0.09	4.8025900±0.0050328	4.835190±0.370781
Metallicity (dex)	-0.19±0.07 [Fe/H]	---	---
γ (km/s)	10.47±0.31	---	---
Age (Gyr)	>0.8	---	---
CAII LOG RHK	-5.176±0.011	---	---
Sp. T	M3	---	---
P_rot (days)	45.9+0.6-0.2	---	---

TOI-912 b Planetary Parameters (2 Solutions)

Status: Confirmed Planet

Detected By: Radial Velocity, Transit

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

Source	Lacedelli et al. 2026	ExoFOP
T_eq (K)	551±27	495.225961311885
S (S_⨁)	15±3	14.2145991298987
P (days)	4.6780691±0.0000017	4.67805901867543±0.00000440294300
R_p (R_⨁)	1.93±0.13	2.25248676870587±0.09304951000000
R_p (R_Jup)	0.172±0.012	0.200953755652900±0.008301335553196
δ (%)	---	0.202923914800499±0.006643072000000
T₁₄ (hours)	1.7±0.1	1.81174518321681±0.07460143000000
T_C (days)	2458628.4061±0.0004 (BJD)	2458628.40763600±0.00062101 (BJD)
a/R_✶	20.7+1.1-1.2	---
b	0.34+0.18-0.22	---
ω (deg)	-169+9-6	---
M_p (M_⨁)	5.1±0.5	---
M_p (M_Jup)	0.016±0.002	---
e	0.58±0.02	---
i (deg)	88.7+0.8-0.6	---
ρ (g/cm³)	4.0±0.9	---
R_p/R_✶	0.0421+0.0008-0.0007	---
K (m/s)	4.29+0.39-0.37	---
a (au)	0.041±0.001	---

Nearby Data (within 30 arcseconds) Browse Nearby Data

Known Objects: 1 Confirmed Planets; 3 2MASS Point Source Catalog

Data Files: 1 Associated Literature Data

Bibliography (3 References)

Sibling sub-Neptunes around sibling M dwarfs: TOI-521 and TOI-912
Lacedelli et al. 2026 Reference Overview
The Revised TESS Input Catalog and Candidate Target List
TICv8 Reference Overview
ExoFOP TOI Table
ExoFOP

Legend

System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive

Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2

External Link
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Debug Info

https://vmexoweb2.ipac.caltech.edu/data/Overviews_2.0/39/TOI-912.json

TOI-912

Catalog Parameters

15h17m18.86s

Dec

dec

-80d28m24.04s

elat

-58.74824

elon

257.99619

glat

-19.34411

glon

308.91652

m_V

sy_vmag

12.670±0.048

m_TESS

sy_tmag

10.4904000±0.0073198

m_J

sy_jmag

9.089±0.023

m_H

sy_hmag

8.468±0.040

m_Ks

sy_kmag

8.204001±0.023000

sy_kepmag

no_data

sy_w1mag

no_data

sy_w2mag

no_data

sy_w3mag

no_data

sy_w4mag

no_data

sy_icmag

no_data

m_Gaia

sy_gaiamag

11.650200±0.000402

m_B

sy_bmag

14.170±0.018

sy_gmag

no_data

sy_imag

no_data

sy_rmag

no_data

sy_umag

no_data

sy_zmag

no_data

sy_pm

460.6109780±0.0399298

μ_δ

sy_pmdec

-93.8193000±0.0423091

μ_α

sy_pmra

-450.9550000±0.0398236

sy_plx

38.2746000±0.0242374

Distance

sy_dist

26.1072+0.0167-0.0166

Set Parameters

R_✶

st_rad

0.4264650±0.0127779

T_eff

st_teff

3482.0±157.0