527 Euryanthe

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

{{Infobox planet

| minorplanet= yes

| background= #D6D6D6

| name= 527 Euryanthe

| mpc_name= (527) Euryanthe

| pronounced={{IPAc-en|j|ʊər|i|ˈ|æ|n|θ|iː}}

| alt_names= 1904 NR

| discoverer= Max Wolf

| discovered= 20 March 1904

| discovery_site= Heidelberg

| epoch= 31 July 2016 (JD 2457600.5)

| eccentricity= 0.14980

| semimajor= {{Convert|2.7277|AU|Gm|abbr=on}}

| perihelion= {{Convert|2.3191|AU|Gm|abbr=on}}

| aphelion= {{Convert|3.1363|AU|Gm|abbr=on|lk=on}}

| period= 4.51 yr (1645.5 d)

| inclination= 9.6595°

| asc_node= 120.551°

| arg_peri= 203.540°

| mean_anomaly= 245.24°

| mean_motion= {{Deg2DMS|0.21878|sup=ms}} / day

| orbit_ref= {{Cite web |url=https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=527;cad=1 |title=527 Euryanthe (1904 NR) |work=JPL Small-Body Database |publisher=NASA/Jet Propulsion Laboratory |access-date=6 May 2016}}

| observation_arc= 112.06 yr (40931 d)

| uncertainty= 0

| abs_magnitude= 10.4

| rotation= {{Convert|26.06|h|d|abbr=on|lk=on}}

| albedo= {{val|0.0576|0.004}}

| dimensions = {{val|52|2|ul=km}}{{Cite arXiv |last1=Choukroun |first1=A. |last2=Marciniak |first2=A. |last3=Ďurech |first3=J. |last4=Perła |first4=J. |last5=Ogłoza |first5=W. |last6=Szakats |first6=R. |last7=Molnar |first7=L. |last8=Pal |first8=A. |last9=Monteiro |first9=F. |title=Asteroid sizes determined with thermophysical model and stellar occultations |date=2025 |class=astro-ph.EP |eprint=2505.09437 }}

}}

527 Euryanthe is a minor planet orbiting the Sun. It was discovered in 1904 by Max Wolf and named after the heroine of the opera Euryanthe by the German composer Carl Maria von Weber.