UPSA Object Registry
Registry · exoplanet

HD 202206 c

Exoplanet 47 papers
harvesting The full record is being pulled from the archives right now — measurement tables, the Gaia row, catalogue photometry. This page will fill itself in.
Right ascension
21h 14m 57.73s
Declination
−20° 47′ 23.0″
Galactic l, b
27.949, -40.5
Magnitude V
8.08
Distance
45.967 pc

Also known as

1 identifiers

HD 202206c

Planet

NASA Exoplanet Archive, composite parameters
Host starHD 202206 · G6V
DiscoveryRadial Velocity, 2004 · La Silla Observatory
Orbital period1,260 d
Semi-major axis2.41 au
Eccentricity0.22
Radius12.2 R⊕ · 1.08 R♃
Mass5,689.2 M⊕ · 17.9 M♃
Density17.2 g/cm³
Equilibrium temperature182.65 K
System distance45.967 pc

Published measurements

4 quantities measured more than once
One object can carry a dozen published estimates of the same quantity. The register keeps them side by side rather than picking a winner — the citation is part of the value.

Mass 3 values

ValueUnitUncertainty Band / methodSourceReferenceYear
5,689.157 M_earth ± 921.7 Radial Velocity NASA Exoplanet Archive Benedict & Harrison 2017 2017
769.4664 M_earth Radial Velocity NASA Exoplanet Archive Gozdziewski et al. 2006 2006
776 M_earth Radial Velocity NASA Exoplanet Archive Correia et al. 2005 2005

Orbital period 2 values

ValueUnitUncertainty Band / methodSourceReferenceYear
1,260 d ± 11 Radial Velocity NASA Exoplanet Archive Benedict & Harrison 2017 2017
1,383.4 d ± 18.4 Radial Velocity NASA Exoplanet Archive Correia et al. 2005 2005

Semi-major axis 3 values

ValueUnitUncertainty Band / methodSourceReferenceYear
2.41 au Radial Velocity NASA Exoplanet Archive Benedict & Harrison 2017 2017
2.701 au Radial Velocity NASA Exoplanet Archive Gozdziewski et al. 2006 2006
2.55 au Radial Velocity NASA Exoplanet Archive Correia et al. 2005 2005

Eccentricity 3 values

ValueUnitUncertainty Band / methodSourceReferenceYear
0.22 ± 0.03 Radial Velocity NASA Exoplanet Archive Benedict & Harrison 2017 2017
0.255 Radial Velocity NASA Exoplanet Archive Gozdziewski et al. 2006 2006
0.267 ± 0.021 Radial Velocity NASA Exoplanet Archive Correia et al. 2005 2005

In the same field

within 9 arcmin · wider search
ObjectTypeSeparationV
HD 202206b Planet 1.957″ —
HD 202206 HighPM* 1.957″ 8.07
CRTS J211428.1-204925 RRLyrae 432.4″ 15.56
CRTS J211511.5-205353 RRLyrae 435.9″ 14.41
CRTS J211504.5-204015 RRLyrae 439.2″ 17.49
UCAC4 346-193392 Star 524.3″ 13.02

Provenance

where this card came from
ArchiveRead at (UTC)Record
Seeded from the bulk archive load; no per-object fetch yet.

Machine-readable: /api/v1/object/hd-202206-c · Registry entry updated 2026-08-14.