(Q673160)

time of discovery or invention

catalog code

HD 20868b

catalog

Henry Draper Catalogue

1 reference

TIC 142851295b

1 reference

26 October 2008

1 reference

imported from Wikimedia project

English Wikipedia

March 2009

1 reference

The HARPS search for southern extra-solar planets. XV. Six long-period giant planets around BD -17 0063, HD 20868, HD 73267, HD 131664, HD 145377, and HD 153950

The HARPS search for southern extra-solar planets. XV. Six long-period giant planets around BD -17 0063, HD 20868, HD 73267, HD 131664, HD 145377, and HD 153950

2 references

inferred from equatorial coordinates

constellation

Fornax

1 reference

based on heuristic

parent astronomical body

3 references

The HARPS search for southern extra-solar planets. XV. Six long-period giant planets around BD -17 0063, HD 20868, HD 73267, HD 131664, HD 145377, and HD 153950

object stated in reference as

HD 20868

object stated in reference as

HD 20868

argument of periapsis

356.2±0.4 degree

1 reference

The HARPS search for southern extra-solar planets. XV. Six long-period giant planets around BD -17 0063, HD 20868, HD 73267, HD 131664, HD 145377, and HD 153950

M sin i

1.25±0.59 Jupiter mass

1 reference

Accurate Empirical Radii and Masses of Planets and Their Host Stars with Gaia Parallaxes

1.99±0.05 Jupiter mass

1 reference

The HARPS search for southern extra-solar planets. XV. Six long-period giant planets around BD -17 0063, HD 20868, HD 73267, HD 131664, HD 145377, and HD 153950

orbital eccentricity

0.75±0.002

1 reference

The HARPS search for southern extra-solar planets. XV. Six long-period giant planets around BD -17 0063, HD 20868, HD 73267, HD 131664, HD 145377, and HD 153950

reason for deprecated rank

0.75

item/value with less precision and/or accuracy

1 reference

Accurate Empirical Radii and Masses of Planets and Their Host Stars with Gaia Parallaxes

orbital period

380.85001±0.09 day

1 reference

Accurate Empirical Radii and Masses of Planets and Their Host Stars with Gaia Parallaxes

reason for deprecated rank

380.85±0.09 day

item/value with less precision and/or accuracy

1 reference

The HARPS search for southern extra-solar planets. XV. Six long-period giant planets around BD -17 0063, HD 20868, HD 73267, HD 131664, HD 145377, and HD 153950

semi-major axis of an orbit

0.95±0.02 astronomical unit

1 reference

Accurate Empirical Radii and Masses of Planets and Their Host Stars with Gaia Parallaxes

0.947±0.012 astronomical unit

1 reference

The HARPS search for southern extra-solar planets. XV. Six long-period giant planets around BD -17 0063, HD 20868, HD 73267, HD 131664, HD 145377, and HD 153950

angular distance

0.019366 arcsecond

1 reference

Extrasolar Planets Encyclopaedia exoplanet ID

HD 20868 b

parallax

20.9257±0.0304 milliarcsecond

2 references

declination component of proper motion

96.138±0.058 milliarcsecond per year

2 references

right ascension component of proper motion

292.467±0.035 milliarcsecond per year

2 references

3 references

right ascension

50.17789119407042 degree

2 references

−33.73010387367972 degree

2 references

2,454,451.52±0.1 Julian day

epoch

J2000.0

1 reference

The HARPS search for southern extra-solar planets. XV. Six long-period giant planets around BD -17 0063, HD 20868, HD 73267, HD 131664, HD 145377, and HD 153950