PSR J2322-2650 Overview

PSR J2322-2650

PSR J2322-2650 b

Overview Notes 1 Parameters Nearby Data Bibliography 2 Legend Expand All

PSR J2322-2650 Architecture & Discovery Information

Name	Orbital Separation	Planet Size	Method	Year	Reference	Disposition
PSR J2322-2650
PSR J2322-2650 b	0.32 d	> 252.64 M_⨁	Pulsar Timing	2017	Spiewak et al. 2018	Confirmed Planet

Exoplanet Archive Notes (1)

PSR J2322-2650

Timing parallax entered under parallax. (Spiewak et al. 2018)

PSR J2322-2650 Stellar Parameters (1 Solution)

RA: 23h22m34.64s

Dec: -26d50m58.3s

Distance: 230+90-50
pc

Parallax: 4.4±1.2 mas

Ecliptic Latitude: -20.8969 deg

Ecliptic Longitude: 340.43923 deg

Galactic Latitude: -70.22813 deg

Galactic Longitude: 28.63696 deg

Total Proper Motion: 8.6±0.4 mas/yr

Proper Motion (RA): -2.4±0.2 mas/yr

Proper Motion (Dec): -8.3±0.4 mas/yr

Photometry

Tools: Planetary Systems; IRSA Finding Chart; Stellar Hosts

Source	Spiewak et al. 2018
M_✶ (M_⦿)	1.4

PSR J2322-2650 b Planetary Parameters (1 Solution)

Status: Confirmed Planet

Detected By: Pulsar Timing

Tools: Planetary Systems; Atmospheric Spectroscopy

Source	Spiewak et al. 2018
M_p sin i (M_⨁)	252.6±0.1
M_p sin i (M_Jup)	0.7949±0.0002
e	<0.0017
P (days)	0.322963997±0.000000006
ρ (g/cm³)	>1.84
a (au)	0.0102

Nearby Data (within 30 arcseconds) Browse Nearby Data

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Known Objects: 1 Confirmed Planets

Data Files: 1 Associated Literature Data

Bibliography (2 References)

A Carbon-rich Atmosphere on a Windy Pulsar Planet
Zhang et al. 2025 Reference Overview
PSR J2322-2650 - a low-luminosity millisecond pulsar with a planetary-mass companion
Spiewak et al. 2018 Reference Overview

System
Star
Confirmed
Candidate
False Positive Planet
Controversial
False Positive

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Kepler | K2

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