TOI-4311 Overview
TOI-4311
0.85
R⦿
5159.00
K
TOI-4311 b
0.123
RJup
TOI-4311 c
0.220
RJup
?
TOI-4311.03
TOI-4311 Architecture & Discovery Information
| Name | Orbital Separation | Planet Size | Method | Year | Reference | Disposition |
|---|---|---|---|---|---|---|
| TOI-4311 | ||||||
| TOI-4311 b | 0.99 d | 1.38 R⨁ | Transit | 2026 | Eschen et al. 2026 | Confirmed Planet |
| TOI-4311 c | 15.07 d | 2.47 R⨁ | Transit | 2026 | Eschen et al. 2026 | Confirmed Planet |
| TOI-4311.03 | 38.94 d | > 26.4 M⨁ | Radial Velocity | 2026 | Eschen et al. 2026 | Candidate Planet |
- RA
- 02h46m44.53s
- Dec
- -31d10m45.55s
- Distance
-
134.988+0.932-0.920pc
- Parallax
- 7.379640±0.050448 mas
- Ecliptic Latitude
- -44.53327 deg
- Ecliptic Longitude
- 26.31852 deg
- Galactic Latitude
- -64.57537 deg
- Galactic Longitude
- 229.02197 deg
- Total Proper Motion
- 186.1387272±0.0895899 mas/yr
- Proper Motion (RA)
- 170.9320000±0.0886124 mas/yr
- Proper Motion (Dec)
- 73.6877000±0.0946765 mas/yr
- Photometry
-
mV11.388±0.039
-
mTESS10.7236±0.0061
-
mJ9.977±0.023
-
mH9.557±0.025
-
mKs9.488±0.021
-
mW19.430±0.023
-
mW29.487001±0.020000
-
mW39.390±0.032
-
mW49.195±0.416
-
mGaia11.265100±0.000814
-
mB12.864±0.227
| Source | Eschen et al. 2026 | TICv8 | ExoFOP | ExoFOP | ||
|---|---|---|---|---|---|---|
|
Teff
(K)
|
5063±66 |
5159.000+119.868-127.849
|
5159.000±123.858 | 5159.000±123.858 | ||
|
L✶
(log10(L⦿))
|
-0.375+0.023-0.024
|
-0.3354605+0.0134701-0.0118015
|
--- | --- | ||
|
ρ✶
(g/cm3)
|
1.910±0.120 |
1.996681+0.436083-0.560829
|
--- | --- | ||
|
M✶
(M⦿)
|
0.816+0.047-0.049
|
0.8720000+0.1333860-0.0877356
|
--- | --- | ||
|
R✶
(R⦿)
|
0.8441±0.0062 |
0.8507290+0.0586080-0.0423367
|
0.850728988647461±0.050472300000000 | 0.850728988647461±0.050472300000000 | ||
|
log g
(log10(cm/s2))
|
4.442±0.034 |
4.5190000+0.0838851-0.0958280
|
4.5190000±0.0898566 | 4.5190000±0.0898566 | ||
|
Metallicity
(dex)
|
-0.0650±0.0430 [Fe/H] | --- | --- | --- | ||
|
γ
(km/s)
|
51.84±0.22 | --- | --- | --- | ||
|
v sin i
(km/s)
|
1.10±0.60 | --- | --- | --- | ||
|
Age
(Gyr)
|
6.6±2.3 | --- | --- | --- | ||
|
CAII LOG RHK
|
-5.00±0.11 | --- | --- | --- | ||
|
Sp. T
|
K | --- | --- | --- |
- Status
- Confirmed Planet
- Detected By
- Radial Velocity, Transit
| Source | Eschen et al. 2026 | ExoFOP | ||
|---|---|---|---|---|
|
Teq
(K)
|
1664±28 | 1540.13099973546 | ||
|
S
(S⨁)
|
1273+87-83
|
1329.69382345257 | ||
|
P
(days)
|
0.9902738+0.0000029-0.0000030
|
0.990289193656433±0.000012096841000 | ||
|
Rp
(R⨁)
|
1.376+0.077-0.080
|
1.41565286303946±2.95162180000000 | ||
|
Rp
(RJup)
|
0.1228+0.0069-0.0071
|
0.126296306589185±0.263326512820207 | ||
|
δ
(%)
|
--- | 0.0278909699166875±0.0042745190000000 | ||
|
T14
(hours)
|
--- | 1.35673557123887±0.32307628000000 | ||
|
TC
(days)
|
2458382.6409+0.0019-0.0023
(BJD)
|
2458382.63595200±0.00158671
(BJD)
|
||
|
a/R✶
|
4.629+0.096-0.099
|
--- | ||
|
b
|
0.37+0.13-0.15
|
--- | ||
|
Mp
(M⨁)
|
4.5+1.5-1.4
|
--- | ||
|
Mp
(MJup)
|
0.014+0.005-0.004
|
--- | ||
|
i
(deg)
|
85.4+1.8-1.6
|
--- | ||
|
ρ
(g/cm3)
|
9.30+3.80-3.00
|
--- | ||
|
Rp/R✶
|
0.01495+0.00083-0.00087
|
--- | ||
|
K
(m/s)
|
3.3+1.1-1.0
|
--- | ||
|
a
(au)
|
0.01817+0.00036-0.00037
|
--- |
- Status
- Confirmed Planet
- Detected By
- Transit
| Source | Eschen et al. 2026 | ExoFOP | ||
|---|---|---|---|---|
|
a/R✶
|
28.43+0.59-0.61
|
--- | ||
|
Teq
(K)
|
671±11 | 621.498153816279 | ||
|
b
|
0.47+0.11-0.12
|
--- | ||
|
S
(S⨁)
|
33.8+2.3-2.2
|
35.2598429266011 | ||
|
Mp
(M⨁)
|
<13.58 | --- | ||
|
Mp
(MJup)
|
<0.04273 | --- | ||
|
e
|
<0.22 | --- | ||
|
i
(deg)
|
89.05+0.24-0.21
|
--- | ||
|
P
(days)
|
15.070425+0.000081-0.000075
|
15.0700779431836±0.0001524785200 | ||
|
ρ
(g/cm3)
|
<5.29 | --- | ||
|
Rp
(R⨁)
|
2.47+0.12-0.11
|
2.72932348007789±0.55324570000000 | ||
|
Rp
(RJup)
|
0.220+0.011-0.010
|
0.243494350925048±0.049357360388710 | ||
|
Rp/R✶
|
0.0268+0.0013-0.0012
|
--- | ||
|
K
(m/s)
|
1.15+0.83-0.70
|
--- | ||
|
a
(au)
|
0.1116+0.0022-0.0023
|
--- | ||
|
TC
(days)
|
2458394.7242+0.0058-0.0057
(BJD)
|
2458394.73887900±0.00626198
(BJD)
|
||
|
δ
(%)
|
--- | 0.0852616572065095±0.0083579414000000 | ||
|
T14
(hours)
|
--- | 3.86756408139934±0.49084420000000 |
- Status
- Candidate Planet
- Detected By
- Radial Velocity
- Tools
| Source | Eschen et al. 2026 |
|---|---|
|
a/R✶
|
53.5+1.1-1.2
|
|
Tp
(days)
|
2460159.2±1.4 |
|
Teq
(K)
|
489.5±8.2 |
|
S
(S⨁)
|
9.530+0.660-0.620
|
|
Mp sin i
(M⨁)
|
26.4+6.3-6.8
|
|
Mp sin i
(MJup)
|
0.0831+0.0198-0.0214
|
|
e
|
<0.22 |
|
P
(days)
|
38.94+0.11-0.13
|
|
K
(m/s)
|
5.71+0.72-0.59
|
|
a
(au)
|
0.2100+0.0042-0.0043
|
Nearby Data
(within 30 arcseconds)
Browse Nearby Data
+
- Known Objects
- 2 Confirmed Planets
- 1 2MASS Point Source Catalog
- Data Files
- 4 KELT Time Series
- 1 SuperWASP Time Series
- 2 Associated Literature Data
- System
- Star
- Confirmed
- Candidate
- False Positive Planet
- Controversial
- False Positive
- Aliases
- Data Access
- Transit Prediction Service
- Time Series
- Kepler | K2
- External Link
- Search
- Browse
- Download
