UPSA Object Registry
Registry · exoplanet

K2-366 b

Exoplanet
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
16h 14m 43.22s
Declination
−19° 20′ 48.8″
Galactic l, b
355.17, 22.3
Magnitude V
12.64
Distance
185.95 pc

Planet

NASA Exoplanet Archive, composite parameters
Host starK2-366 · K1V
DiscoveryTransit, 2022 · K2
Orbital period15.937 d
Semi-major axis— au
Eccentricity—
Radius2.359 R⊕ · 0.2105 R♃
Mass6.16 M⊕ · 0.0194 M♃
Density2.58 g/cm³
Equilibrium temperature— K
System distance185.95 pc

Published measurements

2 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.

Radius 3 values

ValueUnitUncertainty Band / methodSourceReferenceYear
2.359 R_earth ± 0.187 Transit NASA Exoplanet Archive Christiansen et al. 2022 2022
1.87 R_earth ± 0.13 Transit NASA Exoplanet Archive Kruse et al. 2019 2019
1.84 R_earth Transit NASA Exoplanet Archive Vanderburg et al. 2016 2016

Orbital period 3 values

ValueUnitUncertainty Band / methodSourceReferenceYear
15.93704 d ± 0.000796 Transit NASA Exoplanet Archive Christiansen et al. 2022 2022
15.93709 d ± 0.00084 Transit NASA Exoplanet Archive Kruse et al. 2019 2019
15.93738 d Transit NASA Exoplanet Archive Vanderburg et al. 2016 2016

In the same field

within 9 arcmin · wider search
ObjectTypeSeparationV
K2-366 HighPM* 1.043″ 12.49
UCAC4 354-076865 HorBranch* 289.6″ 13.87
UCAC4 354-076804 Star 421.7″ —
UCAC4 353-079446 Star 424.6″ 14.34
UCAC4 354-076822 Star 446.5″ —
UCAC4 354-076793 Star 459.7″ —
UCAC4 354-076783 RGB* 482″ 14.35
UCAC4 353-079463 Star 491.8″ 14.56
UCAC4 354-076909 YSO 516.6″ —

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/k2-366-b · Registry entry updated 2026-08-14.