HD 168443

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
HD 168443
HD 168443 b	58.11 d	> 2424.4 M_⨁	Radial Velocity	1998	Marcy et al. 1999	Confirmed Planet
HD 168443 c	1753.11 d	5500.34 M_⨁	Radial Velocity	2000	Marcy et al. 2001	Confirmed Planet

Exoplanet Archive Notes (1)

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HD 168443

Stellar mass selected from evolutionary track mass (M_track) in Table 4 (Ghezzi et al. 2010)

HD 168443 Stellar Parameters (19 Solutions)

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RA: 18h20m03.84s

Dec: -09d35m48.09s

Distance: 39.6245+0.1224-0.1217
pc

Parallax: 25.208400±0.077152 mas

Ecliptic Latitude: 13.75397 deg

Ecliptic Longitude: 275.08813 deg

Galactic Latitude: 2.50674 deg

Galactic Longitude: 20.81376 deg

Total Proper Motion: 242.3014111±0.0788807 mas/yr

Proper Motion (RA): -91.6854000±0.0891217 mas/yr

Proper Motion (Dec): -224.2850000±0.0770367 mas/yr

Photometry: m_V
6.92122±0.02300; m_TESS
6.2674±0.0061; m_J
5.641±0.019; m_H
5.325±0.016; m_Ks
5.211±0.015; m_W1
5.153±0.169; m_W2
5.075±0.071; m_W3
5.230±0.017; m_W4
5.169±0.031; m_Gaia
6.731660±0.000327; m_B
7.652±0.023

Abundances (Hypatia Catalog): [Fe/H] 0.10±0.15 dex; [C/H] 0.21±0.16 dex; [O/H] 0.11±0.20 dex; [Na/H] 0.03±0.14 dex; [Mg/H] 0.24±0.16 dex; [Al/H] 0.21±0.16 dex; [Si/H] 0.11±0.10 dex; [Ca/H] 0.11±0.19 dex; [Y/H] 0.06±0.05 dex; [BaII/H] 0.04±0.14 dex

Tools: Planetary Systems; ExoFOP Target Overview Page; IRSA Finding Chart; Stellar Hosts

Source	An et al. 2025	An et al. 2025	Feng et al. 2022	Rosenthal et al. 2021	TICv8	Gaia DR2	Pilyavsky et al. 2011	Ghezzi et al. 2010	Takeda et al. 2007	Wittenmyer et al. 2007	Gray et al. 2006	Valenti & Fischer 2005	Wright et al. 2004	Nordstrom et al. 2004	Santos et al. 2004	Santos et al. 2003	Nidever et al. 2002	Michigan Catalog, Vol. 5	Cannon & Pickering 1918
S Index	---	---	---	---	---	---	---	---	---	---	---	---	0.143±0.019	---	---	---	---	---	---
CAII LOG RHK	---	---	---	---	---	---	---	---	---	---	---	---	-5.12	---	---	---	---	---	---
T_eff (K)	---	---	---	5530.0191378300015±97.4400925902000	5551.0000+117.6190-90.4234	5578.00+73.48-310.00	5491±44	5645±50	---	---	---	---	---	---	5617±35	5600	---	---	---
Metallicity (dex)	---	---	---	0.07615662651124999±0.06187966556160000 [Fe/H]	0.060±0.100 [M/H]	---	0.04±0.03 [Fe/H]	0.12±0.03 [Fe/H]	---	---	---	---	---	---	0.06±0.05 [Fe/H]	0.06 [Fe/H]	---	---	---
M_✶ (M_⦿)	1.064+0.050-0.048	1.063+0.045-0.048	0.9800±0.1190	1.04243752004500±0.03075083392623	0.98000000+0.14896000-0.08932640	---	0.995±0.019	1.05±0.10	1.006+0.020-0.016	---	---	---	---	---	0.96	0.96	---	---	---
log g (log₁₀(cm/s²))	---	---	---	3.98774450508500±0.02279806422692	3.9790100+0.0756680-0.0714089	---	4.07±0.06	4.16±0.15	4.09±0.03	---	---	---	---	---	4.22±0.05	4.30	---	---	---
γ (km/s)	---	---	---	---	---	-48.665133882230819±0.225641832654354	-0.046533±0.000552	---	---	---	---	-48.0	---	-49.1±0.3	---	---	-48.6±0.2	---	---
v sin i (km/s)	---	---	---	---	---	---	2.20±0.50	---	---	---	---	2.2±0.5	---	3	---	---	---	---	---
R_✶ (R_⦿)	---	---	---	1.7114791678899999±0.0404802132652000	1.6793500+0.0705734-0.0752357	1.6633097+0.2015180-0.0429713	1.51±0.06	1.39±0.12	1.52+0.07-0.06	---	---	---	---	---	---	---	---	---	---
Sp. T	---	---	---	---	---	---	G5	---	---	G5	G6 V	---	---	---	---	---	---	G6 V	G5
L_✶ (log₁₀(L_⦿))	---	---	---	---	0.38246354+0.01025550-0.00975232	0.38255498+0.00166515-0.00167156	---	0.246±0.068	---	---	---	---	---	---	---	---	---	---	---
Age (Gyr)	---	---	---	---	---	---	---	9.00+2.00-1.50	11.08+0.72-0.64	---	---	---	---	---	---	---	---	---	---
ρ_✶ (g/cm³)	---	---	---	---	0.2917198+0.0490180-0.0663705	---	---	---	---	---	---	---	---	---	---	---	---	---	---

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HD 168443 b Planetary Parameters (7 Solutions)

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Status: Confirmed Planet

Detected By: Astrometry, Radial Velocity

Tools: Planetary Systems

Source	Feng et al. 2022	An et al. 2025	Rosenthal et al. 2021	Pilyavsky et al. 2011	Wright et al. 2009	Wright et al. 2007	Wittenmyer et al. 2007
ω (deg)	172.991+0.109-0.114	---	-6.807±0.086	172.923±0.139	172.95±0.13	172.87±0.94	172.7±0.2
M_p sin i (M_⨁)	2424+193-201	2571+76-79	2517+48-51	2434.157±30.987	2546±207	2548.89±206.58	2377.27±85.81
M_p sin i (M_Jup)	7.628+0.606-0.633	8.09+0.24-0.25	7.92+0.15-0.16	7.659±0.0975	8.01±0.65	8.02±0.65	7.48±0.27
e	0.530+0.002-0.001	0.5288+0.0020-0.0021	0.53130+0.00062-0.00061	0.52883±0.00103	0.5295±0.0011	0.5286±0.0032	0.530±0.001
P (days)	58.11187+0.00024-0.00018	58.11164±0.00040	58.11159±0.00011	58.11247±0.0003	58.11212±0.00048	58.11289±0.00086	58.1112±0.0009
K (m/s)	475.836+1.298-0.790	---	477.01+0.50-0.51	475.133±0.9102	475.54±0.88	475.9±1.6	476.0±1.0
a (au)	0.292+0.011-0.012	0.3006+0.0045-0.0047	0.2977±0.0029	0.2931±0.00181	0.300±0.017	0.300±0.017	0.290±0.005
T_C (days)	---	---	2455272.957+0.011-0.010 (BJD)	---	---	---	---
T_p (days)	2450221.755+0.013-0.015 (BJD)	---	---	2455626.199±0.024	2454347.728±0.020 (JD)	2450047.387±0.034	2450047.45±0.04
i (deg)	---	92.0+34.0-36.0	---	---	---	---	---

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HD 168443 c Planetary Parameters (7 Solutions)

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Status: Confirmed Planet

Detected By: Astrometry, Radial Velocity

Tools: Planetary Systems

Source	Feng et al. 2022	An et al. 2025	Rosenthal et al. 2021	Pilyavsky et al. 2011	Wright et al. 2009	Wright et al. 2007	Wittenmyer et al. 2007
ω (deg)	65.597+0.685-0.850	---	64.716±0.300	64.87±0.5113	64.68±0.52	65.07±0.21	64.6±0.8
M_p sin i (M_⨁)	---	---	5645±111	5464.221±66.74	5753±477	5752.5 +476.7-477	5361.57±203.40
M_p sin i (M_Jup)	---	---	17.76±0.35	17.193±0.21	18.1±1.5	18.1±1.5	16.87±0.64
e	0.210+0.002-0.003	0.2131±0.0034	0.2112±0.0013	0.2113±0.00171	0.2122±0.0020	0.2125±0.0015	0.222±0.003
P (days)	1753.10960+0.77149-0.72042	1759.2+1.9-1.1	1749.67+0.28-0.29	1749.83±0.57	1748.2±1.0	1749.5±2.4	1765.8±2.2
K (m/s)	298.855+0.612-0.640	---	298.04±0.40	297.70±0.618	298.14±0.61	298.0±1.2	299.2±1.0
a (au)	2.842+0.110-0.120	2.929+0.040-0.045	2.881±0.028	2.8373±0.018	2.91±0.17	2.91±0.17	2.84±0.05
T_C (days)	---	---	2455599.41+0.75-0.77 (BJD)	---	---	---	---
T_p (days)	2450262.365+3.955-4.791 (BJD)	---	---	2455521.3±2.2	2453769.768±0.021 (JD)	2450273.0±4.6	2450255±4
M_p (M_⨁)	5500.3+810.5-288.0	6515±509	---	---	---	---	---
M_p (M_Jup)	17.306+2.550-0.906	20.5±1.6	---	---	---	---	---
i (deg)	91.2180+22.2830-16.0880	117.3+6.2-10.0	---	---	---	---	---

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Ancillary Information (7 Unique Files)

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+ HD 168443 (2 File Types, 7 Files)

Literature Time Series (2 File Types, 7 Files)

File Type	Data Points	Filter	Reference
Photometric Light Curve	49	Hp (Hipparcos)	Hipparcos and Tycho Catalogs
Radial Velocity Curve	112	Optical Spectra	Wright et al. 2009
Radial Velocity Curve	22	Optical Spectra	Wittenmyer et al. 2007
Radial Velocity Curve	106	Optical Spectra	Butler et al. 2006
Radial Velocity Curve	72	Optical Spectra	Udry et al. 2002
Radial Velocity Curve	66	Optical Spectra	Marcy et al. 2001
Radial Velocity Curve	30	Optical Spectra	Marcy et al. 1999

Nearby Data (within 30 arcseconds) Browse Nearby Data

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Known Objects: 2 Confirmed Planets; 14 2MASS Point Source Catalog

Data Files: 4 KELT Time Series; 2 Associated Literature Data

Bibliography (31 References)

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Orbits and Masses for 156 Companions from Combined Astrometry and Radial Velocities, and a Validation of Gaia Non-single-star Solutions
An et al. 2025 Reference Overview
3D Selection of 167 Substellar Companions to Nearby Stars
Feng et al. 2022 Reference Overview
The California Legacy Survey. I. A Catalog of 178 Planets from Precision Radial Velocity Monitoring of 719 Nearby Stars over Three Decades
Rosenthal et al. 2021 Reference Overview
The Revised TESS Input Catalog and Candidate Target List
TICv8 Reference Overview
Gaia Data Release 2
Gaia DR2 Reference Overview
All WISE Data Release
Cutri et al. 2014 Reference Overview
A Search for the Transit of HD 168443b: Improved Orbital Parameters and Photometry
Pilyavsky et al. 2011 Reference Overview
Stellar Parameters and Metallicities of Stars Hosting Jovian and Neptunian Mass Planets: A Possible Dependence of Planetary Mass on Metallicity
Ghezzi et al. 2010 Reference Overview
Ten New and Updated Multiplanet Systems and a Survey of Exoplanetary Systems
Wright et al. 2009 Reference Overview
Validation of the new Hipparcos reduction
van Leeuwen et al. 2007 Reference Overview
Four New Exoplanets and Hints of Additional Substellar Companions to Exoplanet Host Stars
Wright et al. 2007 Reference Overview
Structure and Evolution of Nearby Stars with Planets. II. Physical Properties of ~1000 Cool Stars from the SPOCS Catalog
Takeda et al. 2007 Reference Overview
Long-Period Objects in the Extrasolar Planetary Systems 47 Ursae Majoris and 14 Herculis
Wittenmyer et al. 2007 Reference Overview
Contributions to the Nearby Stars (NStars) Project: Spectroscopy of Stars Earlier than M0 within 40 parsecs: The Southern Sample
Gray et al. 2006 Reference Overview
Catalog of Nearby Exoplanets
Butler et al. 2006 Reference Overview
Spectroscopic Properties of Cool Stars (SPOCS). I. 1040 F, G, and K Dwarfs from Keck, Lick, and AAT Planet Search Programs
Valenti & Fischer 2005 Reference Overview
Chromospheric Ca II Emission in Nearby F, G, K, and M Stars
Wright et al. 2004 Reference Overview
The Geneva-Copenhagen survey of the Solar neighbourhood. Ages,metallicities and kinematix properties of ~14 000 F and G dwarfs
Nordstrom et al. 2004 Reference Overview
Spectroscopic [Fe/H] for 98 extra-solar planet-host stars. Exploring the probability of planet formation
Santos et al. 2004 Reference Overview
2MASS All-Sky Catalog of Point Sources
2MASS Point Source Catalog Reference Overview
Statistical properties of exoplanets. II. Metallicity, orbital parameters, and space velocities
Santos et al. 2003 Reference Overview
Radial Velocities of 889 late-type stars
Nidever et al. 2002 Reference Overview
The CORALIE survey for southern extra-solar planets. VIII. Thevery low-mass companions of HD 141937, HD 162020, HD 168443 andHD 202206: Brown dwarfs or ``superplanets?
Udry et al. 2002 Reference Overview
Yale Trigonometric Parallaxes, Fourth Edition (van Altena+ 1995)
van Altena et al. 2001 Reference Overview
Two Substellar Companions Orbiting HD 168443
Marcy et al. 2001 Reference Overview
The Hipparcos and Tycho Photometric System Passbands
Tycho 2 converted using Bessell 2000 Reference Overview
The Tycho-2 catalog of the 2.5 million brightest stars
The Tycho-2 Catalog Reference Overview
Two New Candidate Planets in Eccentric Orbits
Marcy et al. 1999 Reference Overview
Michigan Catalog of two-dimensional spectral types for the HD stars, Vol 5
Michigan Catalog, Vol. 5 Reference Overview
The Hipparcos and Tycho Catalogs
Hipparcos and Tycho Catalogs Reference Overview
The Henry Draper catalogue 0h, 1h, 2h, and 3h
Cannon & Pickering 1918 Reference Overview

Legend

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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

Debug Info

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https://vmexoweb2.ipac.caltech.edu/data/Overviews_2.0/4/HD_168443.json

Catalog Parameters

RA

ra

18h20m03.84s

Dec

dec

-09d35m48.09s

β

elat

13.75397

λ

elon

275.08813

b

glat

2.50674

l

glon

20.81376

m_V

sy_vmag

6.92122±0.02300

m_TESS

sy_tmag

6.2674±0.0061

m_J

sy_jmag

5.641±0.019

m_H

sy_hmag

5.325±0.016

m_Ks

sy_kmag

5.211±0.015

sy_kepmag

no_data

m_W1

sy_w1mag

5.153±0.169

m_W2

sy_w2mag

5.075±0.071

m_W3

sy_w3mag

5.230±0.017

m_W4

sy_w4mag

5.169±0.031

sy_icmag

no_data

m_Gaia

sy_gaiamag

6.731660±0.000327

m_B

sy_bmag

7.652±0.023

sy_gmag

no_data

sy_imag

no_data

sy_rmag

no_data

sy_umag

no_data

sy_zmag

no_data

μ

sy_pm

242.3014111±0.0788807

μ_δ

sy_pmdec

-224.2850000±0.0770367

μ_α

sy_pmra

-91.6854000±0.0891217

π

sy_plx

25.208400±0.077152

Distance

sy_dist

39.6245+0.1224-0.1217

Set Parameters

R_✶

st_rad

1.51±0.06

T_eff

st_teff

5617±35

HD 168443 Overview

HD 168443 Architecture & Discovery Information

HD 168443