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48 Doris

Main-belt asteroid

Field	Value
minorplanet	yes
background	#D6D6D6
name	48 Doris
image	48 Doris VLT (2021), deconvolved.pdf
discoverer	Hermann Mayer Salomon Goldschmidt
discovered	19 September 1857
pronounced
mpc_name	(48) Doris
adjectives	Dorian
named_after	Doris
mp_category	Main belt
orbit_ref	{{cite web
type	2008-06-13 last obs
title	JPL Small-Body Database Browser: 48 Doris
url	https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=48
access-date	2008-11-10}}
epoch	31 December 2006 (JD 2454100.5)
semimajor	465.278 million km (3.110 AU)
perihelion	430.463 million km (2.877 AU)
aphelion	500.093 million km (3.343 AU)
eccentricity	0.075
period	2003.453 d (5.49 a)
inclination	6.554°
asc_node	183.754°
arg_peri	257.583°
mean_anomaly	336.191°
dimensions
flattening	0.28
mean_diameter
(IRAS)
mass

density
rotation	11.89 h
spectral_type	C
abs_magnitude	7.14
albedo	0.066

|access-date=2008-11-10}} (IRAS)

48 Doris is one of the largest main belt asteroids. It was discovered on 19 September 1857 by Hermann Goldschmidt from his balcony in Paris.

To find a name for the object, Jacques Babinet of the Academy of Sciences created a shortlist and asked the geologist Élie de Beaumont to make the selection. De Beaumont chose Doris, after an Oceanid in Greek mythology. Since Doris was discovered on the same night as 49 Pales, de Beaumont suggested naming the two "The Twins".

Physical characteristics

An occultation on 19 March 1981 suggested a diameter of 219±25 km.{{cite web |access-date=2008-12-07}} Observations of an occultation on 14 October 1999, using four well-placed chords, indicate an ellipsoid of 278×142 km and that 48 Doris is an extremely irregularly shaped object.{{cite web |access-date=2008-11-30 |archive-date=19 February 2012 |archive-url=https://web.archive.org/web/20120219025548/http://occsec.wellington.net.nz/planet/2001/plnres01.htm#Doris |url-status=dead

Doris will pass within 0.019 AU of Pallas in June 2132.{{cite web |access-date=2010-02-23}}

In popular culture

48 Doris is a location in the text-based science fiction game Federation 2.

Notes

References

{{MW. Doris
{{OED. Dorian
P. Vernazza et al. (2021) VLT/SPHERE imaging survey of the largest main-belt asteroids: Final results and synthesis. ''Astronomy & Astrophysics'' 54, A56
{{val. 2.12. 1.07. link. (2011-06-04 - Yu. Chernetenko, O. Kochetova, and V. Shor
Kochetova (2004))
Schmadel, Lutz D.. (2003). "Dictionary of Minor Planet Names". Springer Science & Business Media.

Info: Wikipedia Source

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