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27 Euterpe

Main-belt asteroid

Field	Value
minorplanet	yes
name	27 Euterpe
background	#D6D6D6
image	27Euterpe (Lightcurve Inversion).png
caption	Lightcurve-based 3D-model of Euterpe
discovery_ref
discoverer	J. R. Hind
discovery_site	George Bishop's Obs.
discovered	8 November 1853
mpc_name	(27) Euterpe
alt_names	1945 KB
pronounced
adjective	Euterpean
named_after	Euterpe (Greek mythology)
mp_category	main-belt(inner)
Euterpe
orbit_ref
epoch	4 September 2017 (JD 2458000.5)
uncertainty	0
observation_arc	163.48 yr (59,711 days)
aphelion	2.7524 AU
perihelion	1.9401 AU
semimajor	2.3463 AU
eccentricity	0.1731
period	3.59 yr (1,313 days)
mean_anomaly	170.66°
mean_motion	/ day
inclination	1.5837°
asc_node	94.789°
arg_peri	356.55°
dimensions	124 × 75 km (occultation)
km
km
km
km
km
km
mass
density
rotation	h
h
h
h
h
h
h
h
albedo

spectral_type	Tholen S
SMASS SS
B–V 0.878
U–B 0.502
abs_magnitude	7.00
angular_size	0.13" to 0.035"

Euterpe km km km km km km h h h h h h h

SMASS SS B–V 0.878 U–B 0.502

27 Euterpe is a stony asteroid and parent body of the Euterpe family, located in the inner asteroid belt, approximately 100 kilometers in diameter. It was discovered by English astronomer John Russell Hind at George Bishop's Observatory in London on 8 November 1853. The asteroid was named after Euterpe, the Muse of music in Greek mythology.

Euterpe is one of the brightest asteroids in the night sky. It had an apparent magnitude of 8.5 during a perihelic opposition on 25 December 2015 when the asteroid was about 1 AU from Earth. At the end of November 2022 it passed about 1.5 degrees from Uranus while in the constellation of Aries. Based on the S-type spectra the composition appears stony. It has a cross-section size of around 100–120 km. 27 Euterpe is orbiting the Sun with a period of 3.59 years and is spinning on its axis once every 10.4 hours.

It is the parent body of the Euterpe family (410), a stony inner-belt asteroid family of nearly 400 known members. Euterpe has been studied by radar.

Notes

References

{{OED. Euterpe
{{OED. Euterpean

Info: Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

euterpe-asteroids discoveries-by-john-russell-hind named-minor-planets s-type-asteroids-(smass) s-type-asteroids-(tholen) astronomical-objects-discovered-in-1853

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