Registry · exoplanet

WASP-8 c

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: 23h 59m 36.21s
Declination: −35° 01′ 52.8″
Galactic l, b: 354.25, -76.4
Magnitude V: 9.789
Distance: 89.961 pc

Planet

NASA Exoplanet Archive, composite parameters

Host star	WASP-8 · G8 V
Discovery	Radial Velocity, 2013 · SuperWASP
Orbital period	4,323 d
Semi-major axis	5.28 au
Eccentricity	0
Radius	12.5 R⊕ · 1.12 R♃
Mass	3,003.4 M⊕ · 9.45 M♃
Density	8.45 g/cm³
Equilibrium temperature	116.99 K
System distance	89.961 pc

Recorded parameters

4 quantities with a single published value

Parameter	Value	Unit	Uncertainty	As published	Source	Reference
Mass	3,003.37	M_earth	± 718.3	Radial Velocity	NASA Exoplanet Archive	Knutson et al. 2014
Orbital period	4,323	d	± 740	Radial Velocity	NASA Exoplanet Archive	Knutson et al. 2014
Semi-major axis	5.28	au	± 0.63	Radial Velocity	NASA Exoplanet Archive	Knutson et al. 2014
Eccentricity	0		± 0	Radial Velocity	NASA Exoplanet Archive	Knutson et al. 2014

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
WASP-8 b	Exoplanet	0″	9.789
WASP-8	Star	0″	—
CD-35 16019	HighPM*	1.705″	9.87
CD-35 16019c	Planet	1.705″	—
CD-35 16019b	Planet	1.705″	—
CD-35 16019B	HighPM*	4.648″	—
HD 224664	HighPM*	140″	9.03
LEDA 73193	Galaxy	241.4″	—
HD 224683	SB*	245.6″	9.68
QSO B2357-3520	QSO	342.9″	17.6
MCG-06-01-012	Galaxy	483.2″	—

Provenance

where this card came from

Archive	Read at (UTC)	Record
Seeded from the bulk archive load; no per-object fetch yet.

Machine-readable: /api/v1/object/wasp-8-c · Registry entry updated 2026-08-14.