Discovery
Radial Velocity
Host star 55 Cnc • 1.93 R⊕ • 0.74 d orbit
Records
21
archive rows
Discovery
—
Radial Velocity
Radius
1.93 R⊕
median non-null value
Mass
8.09 M⊕
median non-null value
55 Cnc
1894.6 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: 1.93 R⊕ • circles scaled linearly by radius
Earth
1.0 R⊕ baseline
55 Cnc e
1.93 R⊕
Jupiter
11.2 R⊕ reference
Provenance
Evidence Summary
Rows
21
Refs
21
Methods
1
| Year | Method | Facility | Telescope | Period | Radius | Mass | Eq. Temp | Reference |
|---|---|---|---|---|---|---|---|---|
| 2004 | Radial Velocity | McDonald Observatory | 9.2 m Hobby-Eberly Telescope | 0.74 day | 2 Rearth | 8.63 Mearth | — | Winn et al. 2011 |
| 2004 | Radial Velocity | McDonald Observatory | 9.2 m Hobby-Eberly Telescope | 0.74 day | 2.08 Rearth | 7.81 Mearth | 1958 K | Demory et al. 2011 |
| 2004 | Radial Velocity | McDonald Observatory | 9.2 m Hobby-Eberly Telescope | — | 1.92 Rearth | 8.08 Mearth | — | Demory et al. 2016 |
| 2004 | Radial Velocity | McDonald Observatory | 9.2 m Hobby-Eberly Telescope | 0.74 day | 2.17 Rearth | 8.37 Mearth | — | Endl et al. 2012 |
| 2004 | Radial Velocity | McDonald Observatory | 9.2 m Hobby-Eberly Telescope | 2.80 day | — | 7.47 Mearth | — | Wright et al. 2009 |
| 2004 | Radial Velocity | McDonald Observatory | 9.2 m Hobby-Eberly Telescope | 2.81 day | — | 14.30 Mearth | — | McArthur et al. 2004 |
| 2004 | Radial Velocity | McDonald Observatory | 9.2 m Hobby-Eberly Telescope | 0.74 day | — | 8.09 Mearth | — | Nelson et al. 2014 |
| 2004 | Radial Velocity | McDonald Observatory | 9.2 m Hobby-Eberly Telescope | 0.74 day | — | 8.14 Mearth | — | Baluev 2015 |
| 2004 | Radial Velocity | McDonald Observatory | 9.2 m Hobby-Eberly Telescope | 0.74 day | — | — | — | Bourrier & Hébrard 2014 |
| 2004 | Radial Velocity | McDonald Observatory | 9.2 m Hobby-Eberly Telescope | 0.74 day | 1.90 Rearth | 7.74 Mearth | — | Dai et al. 2019 |
| 2004 | Radial Velocity | McDonald Observatory | 9.2 m Hobby-Eberly Telescope | — | — | — | — | Knapp et al. 2020 |
| 2004 | Radial Velocity | McDonald Observatory | 9.2 m Hobby-Eberly Telescope | 0.74 day | 2.02 Rearth | — | 1831.3 K | ExoFOP |
| 2004 | Radial Velocity | McDonald Observatory | 9.2 m Hobby-Eberly Telescope | 0.74 day | 1.86 Rearth | — | — | Zhao et al. 2023 |
| 2004 | Radial Velocity | McDonald Observatory | 9.2 m Hobby-Eberly Telescope | 0.74 day | — | 9.35 Mearth | — | Moutou et al. 2026 |
| 2004 | Radial Velocity | McDonald Observatory | 9.2 m Hobby-Eberly Telescope | 0.74 day | — | 7.95 Mearth | — | Harada et al. 2025 |
| 2004 | Radial Velocity | McDonald Observatory | 9.2 m Hobby-Eberly Telescope | 0.74 day | 1.91 Rearth | 8.08 Mearth | — | Demory et al. 2016 |
| 2004 | Radial Velocity | McDonald Observatory | 9.2 m Hobby-Eberly Telescope | 0.74 day | 1.88 Rearth | 7.99 Mearth | — | Bourrier et al. 2018 |
| 2004 | Radial Velocity | McDonald Observatory | 9.2 m Hobby-Eberly Telescope | 0.74 day | — | 9.38 Mearth | — | Rosenthal et al. 2021 |
| 2004 | Radial Velocity | McDonald Observatory | 9.2 m Hobby-Eberly Telescope | 0.74 day | 1.95 Rearth | 8.59 Mearth | — | Crida et al. 2018 |
| 2004 | Radial Velocity | McDonald Observatory | 9.2 m Hobby-Eberly Telescope | 0.74 day | — | — | — | Zhang et al. 2021 |
| 2004 | Radial Velocity | McDonald Observatory | 9.2 m Hobby-Eberly Telescope | 0.74 day | — | — | — | Kokori et al. 2023 |