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7545 Smaklösa

Main-belt asteroid

Field	Value
minorplanet	yes
name	7545 Smaklösa
background	#D6D6D6
discovery_ref
discovered	28 July 1978
discoverer	C.-I. Lagerkvist
discovery_site	Mount Stromlo Obs.
mpc_name	(7545) Smaklösa
alt_names	1978 OB1995 OP
named_after	Smaklösa
(Swedish band)
mp_category	main-belt(inner)
background
orbit_ref
epoch	4 September 2017 (JD 2458000.5)
uncertainty	0
observation_arc	38.61 yr (14,104 days)
aphelion	2.7888 AU
perihelion	1.7342 AU
semimajor	2.2615 AU
eccentricity	0.2332
period	3.40 yr (1,242 days)
mean_anomaly	174.45°
mean_motion	/ day
inclination	6.5200°
asc_node	114.89°
arg_peri	200.04°
dimensions	km
4.30 km (calculated)
rotation	h
h
albedo	0.20 (assumed)

spectral_type	S
abs_magnitude	14.114.2 (R) (R)

(Swedish band) background 4.30 km (calculated)

7545 Smaklösa, provisional designation , is a stony background asteroid from the inner regions of the asteroid belt, approximately 4 kilometers in diameter. It was discovered on 28 July 1978, by Swedish astronomer Claes-Ingvar Lagerkvist at Mount Stromlo Observatory in Canberra, Australia. The asteroid was named for the Swedish band Smaklösa.

Orbit and classification

Smaklösa orbits the Sun in the inner main-belt at a distance of 1.7–2.8 AU once every 3 years and 5 months (1,242 days). Its orbit has an eccentricity of 0.23 and an inclination of 7° with respect to the ecliptic. As no precoveries were taken, the asteroid's observation arc begins with its discovery in 1978.

Physical characteristics

Lightcurves

In August 2012, a rotational lightcurve of Smaklösa was obtained at the Oakley Southern Sky Observatory in Coonabarabran, Australia. The photometric observation showed a well-defined rotation period of hours with a brightness variation of 0.75 in magnitude (). Similar periods of and hours were derived at the U.S Palomar Transient Factory in 2014 ().

Diameter and albedo

According to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Smaklösa measures 4.1 kilometers in diameter and its surface has an albedo of 0.24, while the Collaborative Asteroid Lightcurve Link assumes a standard albedo for stony asteroids of 0.20 and calculates a diameter of 4.3 kilometers.

Naming

This minor planet was named after the Gotlandic music group Smaklösa. (Literally "Flavourless", but also "Tasteless" or "Tacky". The latter meaning is intended here as indicated by the name of their own record label "Tasteless Records").

The Swedish band gave a number of concerts on the island of Gotland. They are known for their cleverly phrased lyrics mixed with the local humor of the island. The discoverer of this minor planet has named it after the band, grateful for having attended their concerts in 1998, which are unforgettable to him. The official naming citation was published by the Minor Planet Center on 8 December 1998 (M.P.C. 33387).

References

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.

background-asteroids discoveries-by-claes-ingvar-lagerkvist named-minor-planets astronomical-objects-discovered-in-1978

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