UPSA Object Registry
Registry · exoplanet

HD 190360 c

Exoplanet 64 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
20h 03m 38.22s
Declination
+29° 53′ 40.3″
Galactic l, b
67.411, -0.6762
Magnitude V
5.738
Distance
16.007 pc

Also known as

2 identifiers

GJ 777 cHD 190360c

Planet

NASA Exoplanet Archive, composite parameters
Host starHD 190360 · G7IV-V
DiscoveryRadial Velocity, 2005 · W. M. Keck Observatory
Orbital period17.1163 d
Semi-major axis0.1298 au
Eccentricity0.163
Radius5.53 R⊕ · 0.494 R♃
Mass26.2 M⊕ · 0.08243 M♃
Density0.851 g/cm³
Equilibrium temperature794.55 K
System distance16.007 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 7 values

ValueUnitUncertainty Band / methodSourceReferenceYear
26.2 M_earth ± 27 Radial Velocity NASA Exoplanet Archive Giovinazzi et al. 2026 2026
25.42627 M_earth ± 15.57 Radial Velocity NASA Exoplanet Archive Giovinazzi et al. 2025 2025
22 M_earth ± 0.9 Radial Velocity NASA Exoplanet Archive Harada et al. 2025 2025
21.45342 M_earth ± 0.8581 Radial Velocity NASA Exoplanet Archive Rosenthal et al. 2021 2021
20.28 M_earth ± 3.16 Radial Velocity NASA Exoplanet Archive Courcol et al. 2015 2015
19.069 M_earth ± 2.415 Radial Velocity NASA Exoplanet Archive Wright et al. 2009 2009
18.116 M_earth ± 4.767 Radial Velocity NASA Exoplanet Archive Vogt et al. 2005 2005

Orbital period 7 values

ValueUnitUncertainty Band / methodSourceReferenceYear
17.11625 d ± 0.00039 Radial Velocity NASA Exoplanet Archive Giovinazzi et al. 2026 2026
17.1173 d ± 0.00051 Radial Velocity NASA Exoplanet Archive Giovinazzi et al. 2025 2025
17.11695 d ± 0.0005 Radial Velocity NASA Exoplanet Archive Harada et al. 2025 2025
17.11704 d ± 0.00068 Radial Velocity NASA Exoplanet Archive Rosenthal et al. 2021 2021
17.1186 d ± 0.0016 Radial Velocity NASA Exoplanet Archive Courcol et al. 2015 2015
17.111 d ± 0.0048 Radial Velocity NASA Exoplanet Archive Wright et al. 2009 2009
17.1 d ± 0.015 Radial Velocity NASA Exoplanet Archive Vogt et al. 2005 2005

Semi-major axis 6 values

ValueUnitUncertainty Band / methodSourceReferenceYear
0.1298 au ± 0.0015 Radial Velocity NASA Exoplanet Archive Giovinazzi et al. 2026 2026
0.1296 au ± 0.0017 Radial Velocity NASA Exoplanet Archive Giovinazzi et al. 2025 2025
0.1313 au ± 0.0021 Radial Velocity NASA Exoplanet Archive Harada et al. 2025 2025
0.1294 au ± 0.0017 Radial Velocity NASA Exoplanet Archive Rosenthal et al. 2021 2021
0.1304 au ± 0.0075 Radial Velocity NASA Exoplanet Archive Wright et al. 2009 2009
0.128 au ± 0.002 Radial Velocity NASA Exoplanet Archive Vogt et al. 2005 2005

Eccentricity 7 values

ValueUnitUncertainty Band / methodSourceReferenceYear
0.163 ± 0.02 Radial Velocity NASA Exoplanet Archive Giovinazzi et al. 2026 2026
0.165 ± 0.023 Radial Velocity NASA Exoplanet Archive Giovinazzi et al. 2025 2025
0.148 ± 0.024 Radial Velocity NASA Exoplanet Archive Harada et al. 2025 2025
0.165 ± 0.027 Radial Velocity NASA Exoplanet Archive Rosenthal et al. 2021 2021
0.107 ± 0.07 Radial Velocity NASA Exoplanet Archive Courcol et al. 2015 2015
0.237 ± 0.082 Radial Velocity NASA Exoplanet Archive Wright et al. 2009 2009
0.01 ± 0.1 Radial Velocity NASA Exoplanet Archive Vogt et al. 2005 2005

In the same field

within 9 arcmin · wider search
ObjectTypeSeparationV
HD 190360 d Exoplanet 0″ 5.738
HD 190360 b Exoplanet 0″ 5.738
HD 190360 HighPM* 13.36″ —
G 125-55 HighPM* 181.9″ —
V* V2006 Cyg LongPeriodV* 198.8″ —
ATO J300.9586+29.9299 BYDraV* 199.9″ 15
LS II +29 35 Star 200.9″ 11.9
2MASS J20032274+2953271 HorBranch* 201.7″ —
HD 333388 Star 292.6″ 8.19
ZTF J200313.97+295119.7 LongPeriodV* 345.3″ —
HD 190403 Star 348.5″ 6.788

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-190360-c · Registry entry updated 2026-08-14.