1683 Castafiore

{{Short description|Main-belt asteroid}}

{{For|the character in The Adventures of Tintin|Bianca Castafiore}}

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

{{Infobox planet

| minorplanet = yes

| name = 1683 Castafiore

| background = #D6D6D6

| image = 001683-asteroid shape model (1683) Castafiore.png

| image_scale =

| caption = Shape model of Castafiore from its lightcurve

| discovery_ref =

| discovered = 19 September 1950

| discoverer = S. Arend

| discovery_site = Uccle Obs.

| mpc_name = (1683) Castafiore

| alt_names = 1950 SL{{·}}1936 PH
1949 HA{{·}}1959 TH

| named_after = Bianca Castafiore
{{small|(fictional character)}}

| mp_category = main-belt{{·}}{{small|(middle)}}

| orbit_ref =

| epoch = 4 September 2017 (JD 2458000.5)

| uncertainty = 0

| observation_arc = 80.55 yr (29,420 days)

| aphelion = 3.2165 AU

| perihelion = 2.2554 AU

| semimajor = 2.7360 AU

| eccentricity = 0.1756

| period = 4.53 yr (1,653 days)

| mean_anomaly = 331.16°

| mean_motion = {{Deg2DMS|0.2178|sup=ms}} / day

| inclination = 12.476°

| asc_node = 326.66°

| arg_peri = 346.87°

| dimensions = {{val|18.42|0.79}} km
{{val|21.159|0.114}}
{{val|21.403|0.075}} km
25.44 km {{small|(calculated)}}

| rotation = {{val|13.931|0.003}} h{{efn|name=LCDB-Pray-2011}}

| albedo = 0.057 {{small|(assumed)}}
{{val|0.0888|0.0159}}
{{val|0.119|0.017}}
{{val|0.160|0.013}}

| spectral_type = C

| abs_magnitude = 11.6{{·}}{{val|11.66|0.46}}{{·}}11.7

}}

1683 Castafiore, provisional designation {{mp|1950 SL}}, is a carbonaceous background asteroid from the central region of the asteroid belt, approximately 21 kilometers in diameter. It was discovered on 19 September 1950, by Belgian astronomer Sylvain Arend at Royal Observatory of Belgium in Uccle, Belgium, and named after the character Bianca Castafiore from The Adventures of Tintin.

Orbit and classification

The C-type asteroid orbits the Sun in the middle main-belt at a distance of 2.3–3.2 AU once every 4 years and 6 months (1,653 days). Its orbit has an eccentricity of 0.18 and an inclination of 12° with respect to the ecliptic.

Naming

This minor planet was named for Bianca Castafiore, a fictional character in the comic-strip Adventures of Tintin . On the occasion of his seventy-fifth birthday, the father of the fictional character, Georges Remi, better known under his pseudonym Hergé, was honoured by the minor planet 1652 Hergé. The approved naming citation was published by the Minor Planet Center on 8 April 1982 ({{small|M.P.C. 6832}}).

Physical characteristics

= Rotation period =

In September 2004, American astronomer Donald P. Pray obtained a rotational lightcurve of Castafiore from photometric observations. It gave a rotation period of 13.931 hours with a brightness variation of 0.66 magnitude ({{small|U=2+}}).{{efn|name=LCDB-Pray-2011}}

= Diameter and albedo =

According to the survey carried out by NASA's Wide-field Infrared Survey Explorer with its subsequent NEOWISE mission, Castafiore measures 21.15 kilometers in diameter and its surface has an albedo of 0.160 (best result only), while the Collaborative Asteroid Lightcurve Link assumes a standard albedo for carbonaceous asteroids of 0.057, and calculates a diameter of 25.44 kilometers with an absolute magnitude of 11.7.

Notes

{{notelist|refs=

{{efn|name=LCDB-Pray-2011|Pray (2011): rotation period of {{val|13.931|0.003}} hours with an amplitude in brightness of {{val|0.66}} in magnitude. Summary figure given at {{URL|1=http://www.minorplanet.info/PHP/generateOneAsteroidInfo.php?AstInfo=1683%7CCastafiore|2=Light curve Database for (1683) Castafiore}} }}

}}

References

{{reflist|30em|refs=

{{cite web

|type = 2017-02-25 last obs.

|title = JPL Small-Body Database Browser: 1683 Castafiore (1950 SL)

|url = https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2001683

|archive-url = https://web.archive.org/web/20161223063152/http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2001683

|url-status = dead

|archive-date = 23 December 2016

|publisher = Jet Propulsion Laboratory

|accessdate = 1 July 2017}}

{{cite book

|last = Schmadel | first = Lutz D.

|title = Dictionary of Minor Planet Names |publisher = Springer Berlin Heidelberg

|page = 134

|date = 2007

|isbn = 978-3-540-00238-3

|doi = 10.1007/978-3-540-29925-7_1684 |chapter = (1683) Castafiore }}

{{cite book

|last = Schmadel | first = Lutz D.

|title = Dictionary of Minor Planet Names |publisher = Springer Berlin Heidelberg

|page = 131

|date = 2007

|isbn = 978-3-540-00238-3

|doi = 10.1007/978-3-540-29925-7_1653 |chapter = (1652) Hergé }}

{{cite web

|title = 1683 Castafiore (1950 SL)

|work = Minor Planet Center

|url = https://www.minorplanetcenter.net/db_search/show_object?object_id=1683

|accessdate = 22 December 2016}}

{{cite web

|title = MPC/MPO/MPS Archive

|work = Minor Planet Center

|url = https://www.minorplanetcenter.net/iau/ECS/MPCArchive/MPCArchive_TBL.html

|accessdate = 22 December 2016}}

{{cite web

|title = LCDB Data for (1683) Castafiore

|publisher = Asteroid Lightcurve Database (LCDB)

|url = http://www.minorplanet.info/PHP/generateOneAsteroidInfo.php?AstInfo=1683%7CCastafiore

|accessdate = 22 December 2016}}

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{{cite journal

|display-authors = 6

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|first5 = Mikael |last5 = Granvik

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|date = November 2015

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{{cite journal

|display-authors = 6

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|arxiv = 1406.6645

|s2cid = 119293330 |access-date= 22 December 2016}}

}}