Discovery
Imaging
Host star HR 8799 • 11.54 R⊕ • 3.93e4 d orbit
Records
4
archive rows
Discovery
—
Imaging
Radius
11.54 R⊕
median non-null value
Mass
3000 M⊕
median non-null value
HR 8799
1300 K equilibrium
Quick Summary
This first pass still reads from the currently available detail payload. Canonical adopted summaries will replace first-row values in the next backend pass.
Scale Comparison
Current adopted radius: 11.54 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
HR 8799 d
11.54 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Evidence Summary
Rows
4
Refs
4
Methods
1
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2008 | Imaging | W. M. Keck Observatory | 10 m Keck II Telescope | — | 10.09 Rearth | — | 1300 K | Bonnefoy et al. 2016 |
| 2008 | Imaging | W. M. Keck Observatory | 10 m Keck II Telescope | — | — | — | — | Konopacky et al. 2016 |
| 2008 | Imaging | W. M. Keck Observatory | 10 m Keck II Telescope | 37000 day | 13 Rearth | 3000 Mearth | — | Marois et al. 2008 |
| 2008 | Imaging | W. M. Keck Observatory | 10 m Keck II Telescope | 4.16e4 day | — | — | — | Zurlo et al. 2016 |