570 Kythera

{{Use dmy dates|date=October 2019}}

{{Infobox planet

| minorplanet= yes

| background= #D6D6D6

| name= 570 Kythera

| mpc_name= (570) Kythera

| pronounced={{IPAc-en|k|ɪ|'|θ|ɪər|ə}}'Cythera' in Noah Webster (1884) A Practical Dictionary of the English Language

| alt_names= 1905 QX

| discoverer= M. F. Wolf

| discovered= 30 July 1905

| discovery_site= Heidelberg

| epoch= 31 July 2016 (JD 2457600.5)

| eccentricity= 0.12071

| semimajor= {{Convert|3.4233|AU|Gm|abbr=on}}

| perihelion= {{Convert|3.0101|AU|Gm|abbr=on}}

| aphelion= {{Convert|3.8365|AU|Gm|abbr=on|lk=on}}

| period= 6.33 yr (2313.5 d)

| inclination= 1.7870°

| asc_node= 223.762°

| arg_peri= 156.205°

| mean_anomaly= 125.278°

| mean_motion= {{Deg2DMS|0.15561|sup=ms}} / day

| orbit_ref= {{Cite web |url=https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=570;cad=1 |title=570 Kythera (1905 QX) |work=JPL Small-Body Database |publisher=NASA/Jet Propulsion Laboratory |access-date=5 May 2016}}

| observation_arc= 110.72 yr (40440 d)

| uncertainty= 0

| abs_magnitude= 8.81

| rotation= {{Convert|8.120|h|d|abbr=on|lk=on}}

| albedo= {{val|0.0500|0.003}}

| mean_radius= {{val|51.405|1.4}} km

}}

570 Kythera is a large, main belt asteroid orbiting the Sun. It was discovered in 1905 by German astronomer M. F. Wolf at Heidelberg, and was named after the Greek island of Kythira that is associated with Aphrodite. The object is a member of the Cybele asteroid group.