GJ 21 b
unconfirmed exoplanet in the constellation Cepheus
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GJ 21 b
Summary
GJ 21 b is an unconfirmed exoplanet[1].
Key Facts
- GJ 21 b's instance of is recorded as unconfirmed exoplanet[2].
- GJ 21 b's constellation is recorded as Cepheus[3].
- GJ 21 b's parent astronomical body is recorded as Gliese 21[4].
- GJ 21 b's time of discovery or invention is recorded as +2022-00-00T00:00:00Z[5].
- GJ 21 b's discovery method is recorded as Doppler spectroscopy[6].
- GJ 21 b's M sin i is recorded as {'unit': 'http://www.wikidata.org/entity/Q651336', 'amount': '+0.0182'}[7].
- GJ 21 b's mass is recorded as {'unit': 'http://www.wikidata.org/entity/Q651336', 'amount': '+0.0182'}[8].
- GJ 21 b's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+30.3'}[9].
- GJ 21 b's Extrasolar Planets Encyclopaedia exoplanet ID is recorded as gj_21_b--8142[10].
- GJ 21 b's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+6.7208'}[11].
- GJ 21 b's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+70.1425'}[12].
- GJ 21 b's epoch is recorded as J2000.0[13].
Body
Designation and Status
GJ 21 b's instance of is recorded as unconfirmed exoplanet[2].