SDSS J1228+1040 b
SDSS J1228+1040 b is an extrasolar planetesimal orbiting the white dwarf SDSS J1228+1040.[2]
| Discovery | |
|---|---|
| Discovery date | 2019[1] |
| Timing[1] | |
| Designations | |
| WD 1226+110 b, SDSS J122859.92+104033.0 b | |
| Orbital characteristics | |
| 0.0034 (± 9e-05) AU[1] | |
| Eccentricity | ? |
| 0.0857 (± 0.00021) d[1] | |
| Star | SDSS J1228+1040 |
| Physical characteristics | |
Mean radius | 0.0009+0.0045 −0.000758 RJ[1] |
| Mass | ? |
| Temperature | 1800 K[1] |
References
- "The Extrasolar Planet Encyclopaedia — SDSS J1228+1040 b". exoplanet.eu. Retrieved 2021-01-01.
- Manser, Christopher J.; et al. (April 2019). "A planetesimal orbiting within the debris disc around a white dwarf star". Science. 364 (6435): 66–69. arXiv:1904.02163. Bibcode:2019Sci...364...66M. doi:10.1126/science.aat5330.
| Records | ||
|---|---|---|
| Preceded by WD 1145+017 b |
Smallest-radius exoplanet 2019— |
Succeeded by current |
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