HD 20781 d
extrasolar planet orbiting HD 20781 in the constellation Fornax
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HD 20781 d
Summary
HD 20781 d is an exoplanet[1].
Key Facts
- HD 20781 d's instance of is recorded as exoplanet[2].
- HD 20781 d's constellation is recorded as Fornax[3].
- HD 20781 d's parent astronomical body is recorded as Q14405105[4].
- HD 20781 d's catalog code is recorded as HD 20781 d[5].
- HD 20781 d's catalog code is recorded as TIC 144503312d[6].
- HD 20781 d's time of discovery or invention is recorded as +2019-02-00T00:00:00Z[7].
- HD 20781 d's discovery method is recorded as Doppler spectroscopy[8].
- HD 20781 d's orbital eccentricity is recorded as {'unit': '1', 'amount': '+0.11'}[9].
- HD 20781 d's M sin i is recorded as {'unit': 'http://www.wikidata.org/entity/Q651336', 'amount': '+0.0334'}[10].
- HD 20781 d's mass is recorded as {'unit': 'http://www.wikidata.org/entity/Q651336', 'amount': '+0.0334'}[11].
- HD 20781 d's orbital period is recorded as {'unit': 'http://www.wikidata.org/entity/Q573', 'amount': '+29.158'}[12].
- HD 20781 d's parallax is recorded as {'unit': 'http://www.wikidata.org/entity/Q21500224', 'amount': '+27.8123'}[13].
- HD 20781 d's semi-major axis of an orbit is recorded as {'unit': 'http://www.wikidata.org/entity/Q1811', 'amount': '+0.1647'}[14].
- HD 20781 d's argument of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+60.99'}[15].
- HD 20781 d's SIMBAD ID is recorded as HD 20781d[16].
- HD 20781 d's Extrasolar Planets Encyclopaedia exoplanet ID is recorded as hd_20781_d--7640[17].
- HD 20781 d's NASA Exoplanet Archive ID is recorded as HD 20781 d[18].
- HD 20781 d's right ascension is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '+50.01226190937542'}[19].
- HD 20781 d's declination is recorded as {'unit': 'http://www.wikidata.org/entity/Q28390', 'amount': '-28.78383068486973'}[20].
- HD 20781 d's epoch is recorded as J2000.0[21].
- HD 20781 d's declination component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '-66.614'}[22].
- HD 20781 d's right ascension component of proper motion is recorded as {'unit': 'http://www.wikidata.org/entity/Q22137107', 'amount': '+348.869'}[23].
- HD 20781 d's time of periapsis is recorded as {'unit': 'http://www.wikidata.org/entity/Q14267', 'amount': '+2455511.3258'}[24].