UPSA Object Registry
Registry · exoplanet

HD 5319 c

Exoplanet 16 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
00h 55m 01.39s
Declination
+00° 47′ 21.6″
Galactic l, b
124.85, -62.07
Magnitude V
8.05
Distance
121.41 pc

Also known as

1 identifiers

HD 5319c

Planet

NASA Exoplanet Archive, composite parameters
Host starHD 5319 · K0III
DiscoveryRadial Velocity, 2014 · W. M. Keck Observatory
Orbital period872.2 d
Semi-major axis1.93 au
Eccentricity0.183
Radius13.8 R⊕ · 1.23 R♃
Mass334.67 M⊕ · 1.053 M♃
Density0.7 g/cm³
Equilibrium temperature340.67 K
System distance121.41 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
334.675 M_earth ± 22.88 Radial Velocity NASA Exoplanet Archive Luhn et al. 2019 2019
324.1866 M_earth ± 69.92 Radial Velocity NASA Exoplanet Archive Ment et al. 2018 2018
365.49 M_earth ± 25.43 Radial Velocity NASA Exoplanet Archive Giguere et al. 2015 2015

Orbital period 3 values

ValueUnitUncertainty Band / methodSourceReferenceYear
872.2 d ± 6 Radial Velocity NASA Exoplanet Archive Luhn et al. 2019 2019
877 d ± 4.9 Radial Velocity NASA Exoplanet Archive Ment et al. 2018 2018
886 d ± 8 Radial Velocity NASA Exoplanet Archive Giguere et al. 2015 2015

Semi-major axis 3 values

ValueUnitUncertainty Band / methodSourceReferenceYear
1.93 au ± 0.13 Radial Velocity NASA Exoplanet Archive Luhn et al. 2019 2019
1.94 au ± 0.16 Radial Velocity NASA Exoplanet Archive Ment et al. 2018 2018
2.071 au ± 0.013 Radial Velocity NASA Exoplanet Archive Giguere et al. 2015 2015

Eccentricity 3 values

ValueUnitUncertainty Band / methodSourceReferenceYear
0.183 ± 0.064 Radial Velocity NASA Exoplanet Archive Luhn et al. 2019 2019
0.109 ± 0.067 Radial Velocity NASA Exoplanet Archive Ment et al. 2018 2018
0.15 ± 0.06 Radial Velocity NASA Exoplanet Archive Giguere et al. 2015 2015

In the same field

within 9 arcmin · wider search
ObjectTypeSeparationV
HD 5319 b Exoplanet 0″ 8.05
HD 5319 Star 0.7729″ 8.05
SA 92- Region 37.05″ —
UCAC4 454-001181 Star 192.7″ 15.58
GSC 00012-00233 Star 206.3″ 12.52
CAIRNS J005459.55+005108.0 GtowardsCl 228″ —
SDSS J005445.02+004741.0 QSO 246.2″ —
TYC 12-214-1 Star 279.6″ 11.62
SDSS J005518.98+005004.9 QSO 310.3″ 19.48
SDSS J005448.59+004251.7 QSO 331.2″ —
ISI96 0052+0029 LowSurfBrghtG 345.3″ —

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-5319-c · Registry entry updated 2026-08-14.