HD 87883 b

{{Short description|Extrasolar planet in the constellation Leo Minor}}

{{Infobox planet

| name = HD 87883 b

| discovered = August 13, 2009

| discovery_method = Radial velocity

| orbit_ref =

| apsis = astron

| aphelion = {{convert|6.48|AU|km|abbr=on}}

| perihelion = {{convert|1.06|AU|km|abbr=on}}

| semimajor = {{val|3.77|0.12|0.094|ul=AU}}

| eccentricity = {{val|0.720|0.038|0.027}}

| period = {{val|8.23|0.32|0.34|ul=yr}}

| time_periastron = {{val|2456913|17|16}}

| arg_peri = {{val|282.1|3.7}}

| star = HD 87883

| inclination = {{val|16.8|1.7|1.4}} or {{val|163.2|1.4|1.7}}

| asc_node = {{val|109.9|4.0|4.1}}

| physical_ref =

| mass = {{val|6.31|0.31|0.32}}

}}

HD 87883 b is an extrasolar planet which orbits HD 87883, a K-type star on the main sequence, approximately 59 light years from Earth in the constellation of Leo Minor. It is a long-period planet, taking 8.23 years to orbit the star at the average distance of 3.77 AU in a very eccentric path, which ranges distance from 1.06 AU to 6.48 AU. It was detected by the radial velocity method on August 13, 2009.

Astrometry of HD 87883 has determined an orbital inclination of either 16.8° or 163.2°, depending on whether the solution is prograde or retrograde. This, combined with the minimum mass, gives a true mass of {{Jupiter mass|6.31|link=y}} (Jupiter masses).

References

{{reflist|refs=

{{cite journal | title=Five planets and an independent confirmation of HD 196885 Ab from Lick Observatory | last1=Fischer | first1=Debra | last2=Driscoll | first2=Peter | last3=Isaacson | first3=Howard | last4=Giguere | first4=Matt | last5=Marcy | first5=Geoffrey W. | last6=Valenti | first6=Jeff | last7=Wright | first7=Jason T. | last8=Henry | first8=Gregory W. | last9=Johnson | first9=John Asher | last10=Howard | first10=Andrew | last11=Peek | first11=Katherine | last12=McCarthy | first12=Chris | display-authors=1 | journal=The Astrophysical Journal | volume=703 | issue=2 | pages=1545–1556 | date=2009 | arxiv=0908.1596 | bibcode=2009ApJ...703.1545F | doi=10.1088/0004-637X/703/2/1545 | s2cid=15524804 }}

{{cite journal|doi=10.3847/1538-3881/ac27ab|title=Precise Masses and Orbits for Nine Radial-velocity Exoplanets|year=2021|last1=Li|first1=Yiting|last2=Brandt|first2=Timothy D.|last3=Brandt|first3=G. Mirek|last4=Dupuy|first4=Trent J.|last5=Michalik|first5=Daniel|last6=Jensen-Clem|first6=Rebecca|last7=Zeng|first7=Yunlin|last8=Faherty|first8=Jacqueline|author8-link=Jackie Faherty|last9=Mitra|first9=Elena L.|journal=The Astronomical Journal|volume=162|issue=6|page=266|arxiv=2109.10422|bibcode=2021AJ....162..266L|s2cid=237592581 |doi-access=free }}

}}

Category:Exoplanets discovered in 2009

Category:Giant planets

Category:Leo Minor

Category:Exoplanets detected by radial velocity

Category:Exoplanets detected by astrometry