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LP 791-18 Overview

LP 791-18 0.17 R⦿ 3515.96 K
LP 791-18 b
0.108 RJup
LP 791-18 d
0.092 RJup
LP 791-18 c
0.222 RJup
Architecture
LP 791-18
LP 791-18
LP 791-18 b
LP 791-18 d
LP 791-18 c
Discovery Data
Host Planet Orbital Separation Planet Size Method Year Reference Disposition
LP 791-18 LP 791-18 b 0.95 d 1.21 R⨁ Transit 2019 Crossfield et al. 2019 Confirmed Planet
LP 791-18 LP 791-18 d 2.75 d 1.03 R⨁ Transit 2023 Peterson et al. 2023 Confirmed Planet
LP 791-18 LP 791-18 c 4.99 d 2.49 R⨁ Transit 2019 Crossfield et al. 2019 Confirmed Planet
LP 791-18 LP 791-18 b LP 791-18 d LP 791-18 c
RA
11h02m45.72s
Dec
-16d24m23.20s
Distance
26.4927+0.0640-0.0638
pc
Parallax
37.7177000±0.0904032 mas
Ecliptic Latitude
-20.69869 deg
Ecliptic Longitude
173.5403 deg
Galactic Latitude
39.10605 deg
Galactic Longitude
268.56582 deg
Total Proper Motion
228.8151050±0.2145201 mas/yr
Proper Motion (RA)
-221.078000±0.218931 mas/yr
Proper Motion (Dec)
-58.998900±0.138468 mas/yr
Photometry
mV
16.91±0.20
mTESS
13.5571000±0.0077321
mJ
11.559±0.024
mH
10.993±0.022
mKs
10.644±0.023
mW1
10.426±0.023
mW2
10.233±0.021
mW3
10.024±0.062
mW4
8.637
mGaia
15.071500±0.001324
mg
17.8827000±0.0056684
mi
14.3142000±0.0034365
mr
16.26720±0.00385
mu
21.297500±0.138655
mz
13.2565000±0.0035259
Tools
Planetary Systems
ExoFOP Target Overview Page
IRSA Finding Chart
TOI
Stellar Hosts
Source Peterson et al. 2023 TICv8 Crossfield et al. 2019 Gaia DR2 ExoFOP ExoFOP Show Candidate Solutions >> << Hide Candidate Solutions
Teff
(K)
2960±55 2949.0±157.0 2960±55
3515.9551+453.3850-138.9551
 2940±67 2940±67
L✶
(log10(L⦿))
-2.64+0.00-0.00
-2.6984+0.1056-0.1398
-2.70+0.09-0.11
 --- --- ---
Metallicity
(dex)
-0.090±0.190 [Fe/H] --- -0.090±0.190 [Fe/H] --- --- ---
γ
(km/s)
14.1±0.3 --- 14.1±0.3 --- --- ---
v sin i
(km/s)
<2 --- <2 --- --- ---
Age
(Gyr)
>0.5 --- >0.5 --- --- ---
ρ✶
(g/cm3)
32.51+4.26-3.65
 39.6500958±2.0301922
31.1+5.6-9.1
 --- --- ---
M✶
(M⦿)
0.139±0.005 0.1416900±0.0200509 0.139±0.005 --- --- ---
R✶
(R⦿)
0.182±0.007 0.1714300±0.0051893 0.171±0.018 --- 0.171430006623268±0.005189290000000 0.171430006623268±0.005189290000000
log g
(log10(cm/s2))
5.115±0.094 5.1212300±0.0355726 5.115±0.094 --- 5.143150±0.410207 5.143150±0.410207
Sp. T
M(6.1 +/- 0.7) V --- M(6.1+/-0.7) V --- --- ---
Print
Status
Confirmed Planet
Detected By
Transit
Tools
Planetary Systems
Transit Prediction Service
TOI
Transit
Source Peterson et al. 2023 Crossfield et al. 2019 ExoFOP Show Candidate Solutions >> << Hide Candidate Solutions
Teq
(K)
564.3+3.5-3.4
 650±120 542.829237002035
S
(S⨁)
24.14+0.61-0.57
21.5+5.4-4.6
 20.5198378829844
P
(days)
0.9479981±0.0000021 0.9480050±0.0000058 0.947994543578216±0.000013893416500
Rp
(R⨁)
1.212+0.059-0.058
 1.12±0.13 1.19263920929957±0.47840133000000
Rp
(RJup)
0.1081+0.0053-0.0052
 0.0999±0.0116 0.106400326775437±0.042680181437015
δ
(%)
--- --- 0.420052889003663±0.056698956000000
T14
(hours)
0.6195±0.0087
0.612+0.068-0.079
 0.564662978136318±0.261489100000000
TC
(days)
2458774.86973±0.00018
(BJD-TDB)
2458645.94405±0.00066
(BJD-TDB)
2458543.55800600±0.00069767
(BJD)
a/R✶
---
11+2-4
 ---
b
0.33±0.19
0.54+0.36-0.37
 ---
e
--- 0 ---
i
(deg)
88.37+0.94-0.95
87.3+2.0-4.9
 ---
Rp/R✶
0.0610±0.0018 0.0604±0.0028 ---
a
(au)
0.00978±0.00012
0.009690+0.000320-0.000350
 ---
Print
Status
Confirmed Planet
Detected By
Transit, Transit Timing Variations
Tools
Planetary Systems
Transit Prediction Service
Transit
Source Greklek-McKeon et al. 2025 Peterson et al. 2023
Mp
(M⨁)
0.91±0.19
0.90+0.50-0.40
Mp
(MJup)
0.0029±0.0006
0.0028+0.0016-0.0013
e
0.0011+0.0010-0.0008
 0.00150±0.00014
i
(deg)
89.34±0.41 89.34±0.41
P
(days)
2.75485±0.00013 2.753436±0.000013
ρ
(g/cm3)
4.56±1.12 ---
Rp
(R⨁)
1.032+0.044-0.043
1.032+0.044-0.043
Rp
(RJup)
0.09207+0.00393-0.00384
0.09207+0.00393-0.00384
a
(au)
0.01992±0.00024 0.01992±0.00024
TC
(days)
2458546.37888+0.00037-0.00038
(BJD)
2458772.16211+0.00050-0.00082
(BJD-TDB)
Teq
(K)
---
395.5+2.6-2.3
b
--- 0.27±0.17
S
(S⨁)
---
5.83+0.15-0.14
Rp/R✶
--- 0.05192±0.00090
T14
(hours)
---
0.9152+0.0250-0.0252
Print
Status
Confirmed Planet
Detected By
Transit, Transit Timing Variations
Tools
Planetary Systems
Transit Prediction Service
TOI
Transit
Source Greklek-McKeon et al. 2025 Peterson et al. 2023 Kokori et al. 2023 Giacalone et al. 2021 Crossfield et al. 2019 ExoFOP Show Candidate Solutions >> << Hide Candidate Solutions
a/R✶
37.05+0.05-0.07
 ---
34.5+2.0-3.7
 ---
34.5+2.0-3.7
 ---
b
0.0367+0.0323-0.0222
 0.134±0.082 --- ---
0.28+0.24-0.19
 ---
Mp
(M⨁)
7.16±0.65 7.1±0.7 --- --- --- ---
Mp
(MJup)
0.0225±0.0020 0.022±0.002 --- --- --- ---
e
0.0001±0.0001 0.000080±0.000040 --- --- 0 ---
i
(deg)
89.94±0.05 89.78±0.13
89.55+0.32-0.50
 ---
89.55+0.32-0.50
 ---
P
(days)
4.9899100+0.0000012-0.0000014
4.9899093+0.0000074-0.0000072
 4.9899054±0.0000026 4.99 4.989963±0.000050 4.98991757887488±0.00000559993120
ρ
(g/cm3)
2.56±0.38 --- --- --- --- ---
Rp
(R⨁)
2.488±0.096 2.438±0.096 --- 2.05 2.31±0.25 2.98584359524395±1.24321780000000
Rp
(RJup)
0.2220±0.0086 0.2175±0.0086 --- 0.183 0.206±0.022 0.266379582154509±0.110912654172025
Rp/R✶
0.12518±0.00027 0.12261±0.00097 0.1238±0.0022 --- 0.1238±0.0022 ---
a
(au)
0.02961+0.00035-0.00036
0.02961+0.00035-0.00036
 --- ---
0.029392+0.000980-0.001050
 ---
TC
(days)
2458546.509230+0.000065-0.000064
(BJD)
2458771.055182+0.000091-0.000097
(BJD-TDB)
2458905.78256±0.00020
(BJD-TDB)
--- 2458651.29807±0.00041
(BJD-TDB)
2458546.50806600±0.00066381
(BJD)
Teq
(K)
---
324.4+2.0-1.9
 --- --- 370±30 312.057088865798
S
(S⨁)
---
2.637+0.066-0.062
 --- ---
2.35+0.59-0.51
 2.24107923996247
δ
(%)
--- --- --- --- --- 1.89314105811678±0.12685297000000
T14
(hours)
--- 1.167±0.009 --- ---
1.208+0.056-0.046
 1.38196537505452±0.09407357000000
Print
Known Objects
3 Confirmed Planets
3 2MASS Point Source Catalog
Data Files
3 Associated Literature Data
System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive
Aliases
Data Access
Transit Prediction Service
Time Series
Kepler | K2
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