NASA
Exoplanet
Archive
A
service of
NASA
Exoplanet
Science
Institute

HD 100508 Overview

HD 100508 1.02 R⦿ 5419.06 K
HD 100508 b
Architecture
HD 100508
HD 100508
HD 100508 b
Discovery Data
Host Planet Orbital Separation Planet Size Method Year Reference Disposition
HD 100508 HD 100508 b 5681 d 381.39 M⨁ Radial Velocity 2026 Wu et al. 2026 Confirmed Planet
RA
11h33m12.34s
Dec
-67d03m16.70s
Distance
32.7548±0.0317 pc
Parallax
30.5010000±0.0293624 mas
Ecliptic Latitude
-59.65251 deg
Ecliptic Longitude
219.96909 deg
Galactic Latitude
-5.33388 deg
Galactic Longitude
295.40017 deg
Total Proper Motion
284.3168187±0.0524381 mas/yr
Proper Motion (RA)
-284.0210000±0.0524394 mas/yr
Proper Motion (Dec)
-12.9663000±0.0518154 mas/yr
Photometry
mV
7.74±0.03
mTESS
7.0244±0.0060
mJ
6.375±0.027
mH
6.046±0.023
mKs
5.944±0.021
mW1
5.931±0.116
mW2
5.880±0.044
mW3
5.945±0.015
mW4
5.885±0.035
mGaia
7.524870±0.000224
mB
8.573±0.023
Tools
Planetary Systems
ExoFOP Target Overview Page
IRSA Finding Chart
Stellar Hosts
Source Wu et al. 2026 TICv8
Teff
(K)
5419±112
5419.0600+81.3026-143.0380
L✶
(log10(L⦿))
---
-0.09419808+0.00896342-0.00980407
Metallicity
(dex)
0.33±0.03 [Fe/H] 0.3656100±0.0312348 [M/H]
ρ✶
(g/cm3)
---
1.256540+0.302740-0.252335
M✶
(M⦿)
0.940±0.120
0.9400000+0.1217410-0.1179780
R✶
(R⦿)
---
1.0179000+0.0437925-0.0555291
log g
(log10(cm/s2))
4.39±0.08
4.3957800+0.0815212-0.0733486
Sp. T
K1 IV ---
Print
Status
Confirmed Planet
Detected By
Astrometry, Radial Velocity
Tools
Planetary Systems
Source Wu et al. 2026 Wu et al. 2026
Tp
(days)
2447556+87-84
(BJD)
2447556+87-84
(BJD)
ω
(deg)
99.10+4.10-4.20
99.10+4.10-4.20
Mp
(M⨁)
381+95-57
381+95-57
Mp
(MJup)
1.20+0.30-0.18
1.20+0.30-0.18
e
0.420±0.020 0.420±0.020
i
(deg)
62+19-16
124+14-19
P
(days)
5681±42 5681±42
a
(au)
6.11+0.25-0.28
6.11+0.25-0.28
Mp sin i
(M⨁)
324±29 ---
Mp sin i
(MJup)
1.02±0.09 ---
Print
Known Objects
1 Confirmed Planets
7 2MASS Point Source Catalog
Data Files
1 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

NASA Exoplanet Archive is operated by the California Institute of Technology, under contract with the National Aeronautics and Space Administration under the Exoplanet Exploration Program.