HD 100508 Overview
-
Star:
HD 100508
- Stellar Radius: 1.02 Solar Radius
- Stellar Effective Temperature: 5419.06 K
-
Planet:
HD 100508 b
- Disposition Confirmed
HD 100508 Architecture & Discovery Information
| Name | 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
| 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 | --- |
- 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
|
|
Mp sin i
(M⨁)
|
324±29 | --- |
|
Mp sin i
(MJup)
|
1.02±0.09 | --- |
|
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
|
Nearby Data (within 30 arcseconds) Browse Nearby Data
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- False Positive Planet
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