# Kepler-840b

> extrasolar planet

**Wikidata**: [Q28856210](https://www.wikidata.org/wiki/Q28856210)  
**Source**: https://4ort.xyz/entity/q28856210


## References

1. Systematic search for rings around Kepler planet candidates: constraints on ring size and occurrence rate
2. SIMBAD
3. Extrasolar Planets Encyclopaedia
4. Gaia Data Release 2