โ†Back to Exoplanets
๐Ÿช

HD 176986 d

Exoplanet Records

๐Ÿ“ŠKey Properties

Host Star

HD 176986

Discovery

Radial Velocity

Year

2026

Period

61.38 day

Radius

โ€”

Mass

6.76 Mearth

Eq. Temp

363 K

๐ŸงพRecords(1 rows)

Record 1

Radial Velocity โ€ข 2026 โ€ข Multiple Observatories

๐Ÿช
โ–ถAll Properties
PropertyValueDescription
ast_flag0
cb_flag0
dec-11.04 deg
decstr-11d02m41.79s Dec [sexagesimal]
default_flag1
disc_facilityMultiple Observatories Discovery Facility
disc_instrumentMultiple Instruments Discovery Instrument
disc_localeGround Discovery Locale
disc_pubdate2026-01 Discovery Publication Date
disc_refname<a refstr=NARI_ET_AL_2026 href=https://ui.adsabs.harvard.edu/abs/2026A&A...705A.252N/abstract target=ref>Nari et al. 2026</a> Discovery Reference
disc_telescopeMultiple Telescopes Discovery Telescope
disc_year2026
discoverymethodRadial Velocity Discovery Method
dkin_flag0
elat11.53 deg
elon285.80 deg
etv_flag0
gaia_dr2_idGaia DR2 4199396753205879040 Gaia DR2 ID
gaia_dr3_idGaia DR3 4199396753205879040 Gaia DR3 ID
glat-7.57 deg
glon24.36 deg
hd_nameHD 176986 HD ID
hip_nameHIP 93540 HIP ID
hostnameHD 176986 Host Name
htm201842930316
ima_flag0
micro_flag0
obm_flag0
pl_bmasse6.76 Mearth
pl_bmasseerr10.91 Mearth
pl_bmasseerr2-0.92 Mearth
pl_bmasselim0
pl_bmassestr<div><span class="supersubNumber">6.76</span><span class="superscript">+0.91</span><span class="subscript">-0.92</span></div> Planet Mass or Mass*sin(i) [Earth Mass]
pl_bmassj0.02 Mjupiter
pl_bmassjerr12.86e-3 Mjupiter
pl_bmassjerr2-2.89e-3 Mjupiter
pl_bmassjlim0
pl_bmassjstr<div><span class="supersubNumber">0.0213</span><span class="superscript">+0.0029</span><span class="subscript">-0.0029</span></div> Planet Mass or Mass*sin(i) [Jupiter Mass]
pl_bmassprovMsini Planet Mass or Mass*sin(i) Provenance
pl_cmasseโ€”
pl_cmasseerr1โ€”
pl_cmasseerr2โ€”
pl_cmasselimโ€”
pl_cmassestrโ€” Planet Mass*sin(i)/sin(i) [Earth Mass]
pl_cmassjโ€”
pl_cmassjerr1โ€”
pl_cmassjerr2โ€”
pl_cmassjlimโ€”
pl_cmassjstrโ€” Planet Mass*sin(i)/sin(i) [Jupiter Mass]
pl_controv_flag0
pl_densโ€”
pl_denserr1โ€”
pl_denserr2โ€”
pl_denslimโ€”
pl_densstrโ€” Planet Density [g/cm**3]
pl_eqt363 K
pl_eqterr110 K
pl_eqterr2-10 K
pl_eqtlim0
pl_eqtstr363&plusmn;10 Equilibrium Temperature [K]
pl_impparโ€”
pl_impparerr1โ€”
pl_impparerr2โ€”
pl_impparlimโ€”
pl_impparstrโ€” Impact Parameter
pl_insol4.09 Searth
pl_insolerr10.47 Searth
pl_insolerr2-0.43 Searth
pl_insollim0
pl_insolstr<div><span class="supersubNumber">4.09</span><span class="superscript">+0.47</span><span class="subscript">-0.43</span></div> Insolation Flux [Earth Flux]
pl_letterd Planet Letter
pl_masseโ€”
pl_masseerr1โ€”
pl_masseerr2โ€”
pl_masselimโ€”
pl_massestrโ€” Planet Mass [Earth Mass]
pl_massjโ€”
pl_massjerr1โ€”
pl_massjerr2โ€”
pl_massjlimโ€”
pl_massjstrโ€” Planet Mass [Jupiter Mass]
pl_msinie6.76 Mearth
pl_msinieerr10.91 Mearth
pl_msinieerr2-0.92 Mearth
pl_msinielim0
pl_msiniestr<div><span class="supersubNumber">6.76</span><span class="superscript">+0.91</span><span class="subscript">-0.92</span></div> Planet Mass*sin(i) [Earth Mass]
pl_msinij0.02 Mjupiter
pl_msinijerr12.86e-3 Mjupiter
pl_msinijerr2-2.89e-3 Mjupiter
pl_msinijlim0
pl_msinijstr<div><span class="supersubNumber">0.0213</span><span class="superscript">+0.0029</span><span class="subscript">-0.0029</span></div> Planet Mass*sin(i) [Jupiter Mass]
pl_nameHD 176986 d Planet Name
pl_ndispec0
pl_nespec0
pl_nnotes0
pl_ntranspec0
pl_occdepโ€”
pl_occdeperr1โ€”
pl_occdeperr2โ€”
pl_occdeplimโ€”
pl_occdepstrโ€” Occultation Depth [%]
pl_orbeccenโ€”
pl_orbeccenerr1โ€”
pl_orbeccenerr2โ€”
pl_orbeccenlimโ€”
pl_orbeccenstrโ€” Eccentricity
pl_orbinclโ€”
pl_orbinclerr1โ€”
pl_orbinclerr2โ€”
pl_orbincllimโ€”
pl_orbinclstrโ€” Inclination [deg]
pl_orblperโ€”
pl_orblpererr1โ€”
pl_orblpererr2โ€”
pl_orblperlimโ€”
pl_orblperstrโ€” Argument of Periastron [deg]
pl_orbper61.38 day
pl_orbpererr10.05 day
pl_orbpererr2-0.05 day
pl_orbperlim0
pl_orbperstr<div><span class="supersubNumber">61.376</span><span class="superscript">+0.051</span><span class="subscript">-0.049</span></div> Orbital Period [day]
pl_orbsmax0.28 au
pl_orbsmaxerr12.40e-3 au
pl_orbsmaxerr2-2.40e-3 au
pl_orbsmaxlim0
pl_orbsmaxstr0.28149&plusmn;0.00240 Orbit Semi-Major Axis [au]
pl_orbtperโ€”
pl_orbtpererr1โ€”
pl_orbtpererr2โ€”
pl_orbtperlimโ€”
pl_orbtperstrโ€” Epoch of Periastron [day]
pl_projobliqโ€”
pl_projobliqerr1โ€”
pl_projobliqerr2โ€”
pl_projobliqlimโ€”
pl_projobliqstrโ€” Projected Obliquity [deg]
pl_pubdate2026-01 Planetary Parameter Reference Publication Date
pl_radeโ€”
pl_radeerr1โ€”
pl_radeerr2โ€”
pl_radelimโ€”
pl_radestrโ€” Planet Radius [Earth Radius]
pl_radjโ€”
pl_radjerr1โ€”
pl_radjerr2โ€”
pl_radjlimโ€”
pl_radjstrโ€” Planet Radius [Jupiter Radius]
pl_ratdorโ€”
pl_ratdorerr1โ€”
pl_ratdorerr2โ€”
pl_ratdorlimโ€”
pl_ratdorstrโ€” Ratio of Semi-Major Axis to Stellar Radius
pl_ratrorโ€”
pl_ratrorerr1โ€”
pl_ratrorerr2โ€”
pl_ratrorlimโ€”
pl_ratrorstrโ€” Ratio of Planet to Stellar Radius
pl_refname<a refstr=NARI_ET_AL_2026 href=https://ui.adsabs.harvard.edu/abs/2026A&A...705A.252N/abstract target=ref>Nari et al. 2026</a> Planetary Parameter Reference
pl_rvamp1.28 m/s
pl_rvamperr10.17 m/s
pl_rvamperr2-0.17 m/s
pl_rvamplim0
pl_rvampstr1.28&plusmn;0.17 Radial Velocity Amplitude [m/s]
pl_trandepโ€”
pl_trandeperr1โ€”
pl_trandeperr2โ€”
pl_trandeplimโ€”
pl_trandepstrโ€” Transit Depth [%]
pl_trandurโ€”
pl_trandurerr1โ€”
pl_trandurerr2โ€”
pl_trandurlimโ€”
pl_trandurstrโ€” Transit Duration [hour]
pl_tranmid2.46e6 day
pl_tranmiderr13 day
pl_tranmiderr2-3.10 day
pl_tranmidlim0
pl_tranmidstr<div><span class="supersubNumber">2460614.69</span><span class="superscript">+3.00</span><span class="subscript">-3.10</span></div> Time of Conjunction (Transit Midpoint) [day]
pl_trueobliqโ€”
pl_trueobliqerr1โ€”
pl_trueobliqerr2โ€”
pl_trueobliqlimโ€”
pl_trueobliqstrโ€” True Obliquity [deg]
pl_tsystemrefBJD Time Reference Frame and Standard
ptv_flag0
pul_flag0
ra285.77 deg
rastr19h03m05.74s RA [sexagesimal]
releasedate2026-02-12 Release Date
rowupdate2026-02-12 Date of Last Update
rv_flag1
soltypePublished Confirmed Solution Type
st_age4.30 Gyr
st_ageerr14 Gyr
st_ageerr2-4 Gyr
st_agelim0
st_agestr4.3&plusmn;4.0 Stellar Age [Gyr]
st_densโ€”
st_denserr1โ€”
st_denserr2โ€”
st_denslimโ€”
st_densstrโ€” Stellar Density [g/cm**3]
st_logg4.44 log(cm/s**2)
st_loggerr10.17 log(cm/s**2)
st_loggerr2-0.17 log(cm/s**2)
st_logglim0
st_loggstr4.44&plusmn;0.17 Stellar Surface Gravity [log(cm/s**2)]
st_lum-0.48 log(Lsun)
st_lumerr10.03 log(Lsun)
st_lumerr2-0.04 log(Lsun)
st_lumlim0
st_lumstr<div><span class="supersubNumber">-0.480</span><span class="superscript">+0.034</span><span class="subscript">-0.037</span></div> Stellar Luminosity [log(Solar)]
st_mass0.79 Msun
st_masserr10.02 Msun
st_masserr2-0.02 Msun
st_masslim0
st_massstr0.789&plusmn;0.019 Stellar Mass [Solar mass]
st_met0.03 dex
st_meterr10.05 dex
st_meterr2-0.05 dex
st_metlim0
st_metratio[Fe/H] Stellar Metallicity Ratio
st_metstr0.03&plusmn;0.05 Stellar Metallicity [dex]
st_nphot1
st_nrvc0
st_nspec0
st_rad0.78 Rsun
st_raderr10.04 Rsun
st_raderr2-0.04 Rsun
st_radlim0
st_radstr0.782&plusmn;0.035 Stellar Radius [Solar Radius]
st_radv37.42 km/s
st_radverr10.14 km/s
st_radverr2-0.14 km/s
st_radvlim0
st_radvstr37.42&plusmn;0.14 Systemic Radial Velocity [km/s]
st_refname<a refstr=NARI_ET_AL_2026 href=https://ui.adsabs.harvard.edu/abs/2026A&A...705A.252N/abstract target=ref>Nari et al. 2026</a> Stellar Parameter Reference
st_rotp36.05 day
st_rotperr10.67 day
st_rotperr2-0.71 day
st_rotplim0
st_rotpstr<div><span class="supersubNumber">36.05</span><span class="superscript">+0.67</span><span class="subscript">-0.71</span></div> Stellar Rotational Period [day]
st_spectypeK2.5 V Spectral Type
st_teff4931 K
st_tefferr177 K
st_tefferr2-77 K
st_tefflim0
st_teffstr4931&plusmn;77 Stellar Effective Temperature [K]
st_vsinโ€”
st_vsinerr1โ€”
st_vsinerr2โ€”
st_vsinlimโ€”
st_vsinstrโ€” Stellar Rotational Velocity [km/s]
sy_bmag9.32 mag
sy_bmagerr10 mag
sy_bmagerr20 mag
sy_bmagstr9.316&plusmn;0.000 B (Johnson) Magnitude
sy_dist27.78 pc
sy_disterr10.05 pc
sy_disterr2-0.05 pc
sy_diststr<div><span class="supersubNumber">27.7843</span><span class="superscript">+0.0483</span><span class="subscript">-0.0481</span></div> Distance [pc]
sy_gaiamag8.14 mag
sy_gaiamagerr15.48e-4 mag
sy_gaiamagerr2-5.48e-4 mag
sy_gaiamagstr8.142490&plusmn;0.000548 Gaia Magnitude
sy_gmagโ€”
sy_gmagerr1โ€”
sy_gmagerr2โ€”
sy_gmagstrโ€” g (Sloan) Magnitude
sy_hmag6.34 mag
sy_hmagerr10.03 mag
sy_hmagerr2-0.03 mag
sy_hmagstr6.340&plusmn;0.027 H (2MASS) Magnitude
sy_icmagโ€”
sy_icmagerr1โ€”
sy_icmagerr2โ€”
sy_icmagstrโ€” I (Cousins) Magnitude
sy_imagโ€”
sy_imagerr1โ€”
sy_imagerr2โ€”
sy_imagstrโ€” i (Sloan) Magnitude
sy_jmag6.80 mag
sy_jmagerr10.03 mag
sy_jmagerr2-0.03 mag
sy_jmagstr6.797&plusmn;0.034 J (2MASS) Magnitude
sy_kepmagโ€”
sy_kepmagerr1โ€”
sy_kepmagerr2โ€”
sy_kepmagstrโ€” Kepler Magnitude
sy_kmag6.22 mag
sy_kmagerr10.03 mag
sy_kmagerr2-0.03 mag
sy_kmagstr6.220&plusmn;0.031 Ks (2MASS) Magnitude
sy_mnum0
sy_plx35.96 mas
sy_plxerr10.06 mas
sy_plxerr2-0.06 mas
sy_plxstr35.9627000&plusmn;0.0620011 Parallax [mas]
sy_pm267.89 mas/yr
sy_pmdec-235.91 mas/yr
sy_pmdecerr10.08 mas/yr
sy_pmdecerr2-0.08 mas/yr
sy_pmdecstr-235.9070000&plusmn;0.0796978 Proper Motion (Dec) [mas/yr]
sy_pmerr10.08 mas/yr
sy_pmerr2-0.08 mas/yr
sy_pmra-126.94 mas/yr
sy_pmraerr10.09 mas/yr
sy_pmraerr2-0.09 mas/yr
sy_pmrastr-126.9420000&plusmn;0.0900503 Proper Motion (RA) [mas/yr]
sy_pmstr267.8924859&plusmn;0.0821360 Total Proper Motion [mas/yr]
sy_pnum3
sy_refname<a refstr=STASSUN_ET_AL__2019 href=https://ui.adsabs.harvard.edu/abs/2019AJ....158..138S/abstract target=ref>TICv8</a> System Parameter Reference
sy_rmagโ€”
sy_rmagerr1โ€”
sy_rmagerr2โ€”
sy_rmagstrโ€” r (Sloan) Magnitude
sy_snum1
sy_tmag7.57 mag
sy_tmagerr16.10e-3 mag
sy_tmagerr2-6.10e-3 mag
sy_tmagstr7.5672&plusmn;0.0061 TESS Magnitude
sy_umagโ€”
sy_umagerr1โ€”
sy_umagerr2โ€”
sy_umagstrโ€” u (Sloan) Magnitude
sy_vmag8.42 mag
sy_vmagerr10.03 mag
sy_vmagerr2-0.03 mag
sy_vmagstr8.42&plusmn;0.03 V (Johnson) Magnitude
sy_w1magโ€”
sy_w1magerr1โ€”
sy_w1magerr2โ€”
sy_w1magstrโ€” W1 (WISE) Magnitude
sy_w2magโ€”
sy_w2magerr1โ€”
sy_w2magerr2โ€”
sy_w2magstrโ€” W2 (WISE) Magnitude
sy_w3magโ€”
sy_w3magerr1โ€”
sy_w3magerr2โ€”
sy_w3magstrโ€” W3 (WISE) Magnitude
sy_w4magโ€”
sy_w4magerr1โ€”
sy_w4magerr2โ€”
sy_w4magstrโ€” W4 (WISE) Magnitude
sy_zmagโ€”
sy_zmagerr1โ€”
sy_zmagerr2โ€”
sy_zmagstrโ€” z (Sloan) Magnitude
tic_idTIC 39554091 TIC ID
tran_flag0
ttv_flag0
x0.27
y-0.94
z-0.19