
Astronomers Find Elusive Planets in Decade-Old Hubble Data · NASA · NASA — public domain
Astronomical data · SIMBAD
- Object type
- Pl
- Distance
- 133 light-years
- Coordinates
- RA 346.8696° · Dec 21.1343°
View on SIMBAD →
via SIMBAD · CDS Strasbourg
Exoplanet data
- Host star
- HR 8799
- Discovered
- 2008
- Discovered by
- Gemini Observatory
- Orbital period
- 170000 days
- Radius
- 13 × Earth
- Mass
- 2000 × Earth
- Equilibrium temp
- 1200 K
- Distance
- 41.24 pc
via NASA Exoplanet Archive
Wikidata facts
- Instance of
- double star
- Constellation
- Pegasus
- Parent body
- HR 8799
- Radius
- 0.6
- Mass
- 7.0
- Orbital period
- 166510.17
- Image
- Exoplanet Comparison HR 8799 b.png
Show 14 more facts
- catalog code
- TIC 245368902b
- Commons category
- HR 8799 b
- time of discovery or invention
- 2008-11-00
- site of astronomical discovery
- Gemini Observatory
- right ascension
- 346.86964871069460
- declination
- 21.13425059274499
- epoch
- J2000.0
- semi-major axis of an orbit
- 68
- orbital eccentricity
- 0.0
- orbital inclination
- 30.27
- angular distance
- 1.725888
- right ascension component of proper motion
- 108.301
- declination component of proper motion
- -49.480
- parallax
- 24.2175
Sources (2)
via Wikidata · CC0