| 词条 | 79912 Terrell |
| 释义 |
| minorplanet = yes | name = 79912 Terrell | background = #D6D6D6 | image = | image_size = | caption = | discovery_ref = | discoverer = W. R. Cooney Jr. E. Kandler | discovery_site = Baton Rouge Obs. | discovered = 10 February 1999 | mpc_name = (79912) Terrell | alt_names = {{mp|1999 CC|3}}{{·}}{{mp|1996 PP|1}} | pronounced = | named_after = Dirk Terrell [2] {{small|(American astrophysicist)}} | mp_category = main-belt{{·}}{{small|(middle)}} Adeona [3] | orbit_ref = | epoch = 4 September 2017 (JD 2458000.5) | uncertainty = 0 | observation_arc = 20.65 yr (7,543 days) | aphelion = 3.1043 AU | perihelion = 2.2475 AU | semimajor = 2.6759 AU | eccentricity = 0.1601 | period = 4.38 yr (1,599 days) | mean_anomaly = 318.81° | mean_motion = {{Deg2DMS|0.2252|sup=ms}} / day | inclination = 10.689° | asc_node = 307.69° | arg_peri = 326.67° | dimensions = {{val|6.340|0.744}} km[5] | rotation = | albedo = {{val|0.053|0.012}}[5] | spectral_type = | abs_magnitude = 14.9 }}79912 Terrell, provisional designation {{mp|1999 CC|3}}, is a dark Adeonian asteroid from the central regions of the asteroid belt, approximately 6 kilometers in diameter. It was discovered on 10 February 1999, by astronomers Walter Cooney and Ethan Kandler at the Highland Road Park Observatory, in Baton Rouge, Louisiana, United States.[8] The asteroid was named after American astrophysicist Dirk Terrell.[2] Orbit and classificationTerrell is a member of the Adeona family ({{small|505}}),[3] a large family of carbonaceous asteroids in the central main belt, named after 145 Adeona.[11]{{rp|23}} It orbits the Sun at a distance of 2.2–3.1 AU once every 4 years and 5 months (1,599 days). Its orbit has an eccentricity of 0.16 and an inclination of 11° with respect to the ecliptic. The body's observation arc begins with its identification as {{mp|1996 PP|1}} by AMOS at Haleakala Observatory in August 1996, more than two years prior to its official discovery observation at Baton Rouge.[8] Physical characteristicsThe asteroid's spectral type is unknown. Members of the Adeona family are typically carbonaceous C-type asteroids,[11]{{rp|23}} which Terrell{{'}}s albedo (see below) agrees with. Diameter and albedoAccording to the survey carried out by the NEOWISE mission of NASA's Wide-field Infrared Survey Explorer, Terrell measures 6.340 kilometers in diameter and its surface has a low albedo of 0.053.[5] Rotation periodAs of 2017, no rotational lightcurve of Terrell has been obtained from photometric observations. The asteroid's rotation period, poles and shape remain unknown.[16] NamingThis minor planet was named after American Dirk Terrell (born 1965), an astrophysicist, writer, space artist, and mentor of amateur astronomers.[2] The official naming citation was published by the Minor Planet Center on 18 September 2005 ({{small|M.P.C. 54829}}).[18] References1. ^1 2 3 {{cite book |title = Dictionary of Minor Planet Names – (79912) Terrell, Addendum to Fifth Edition: 2003–2005 |last = Schmadel | first = Lutz D. |publisher = Springer Berlin Heidelberg |page = 232 |date = 2006 |isbn = 978-3-540-34361-5 |doi = 10.1007/978-3-540-34361-5_2767 |chapter = (79912) Terrell [2.67, 0.16, 10.7] }} [1][2][3][4][5][6][7]2. ^1 2 {{cite web |title = 79912 Terrell (1999 CC3) |work = Minor Planet Center |url = http://www.minorplanetcenter.net/db_search/show_object?object_id=79912 |accessdate = 28 October 2017}} 3. ^1 {{cite web |title = MPC/MPO/MPS Archive |work = Minor Planet Center |url = http://www.minorplanetcenter.net/iau/ECS/MPCArchive/MPCArchive_TBL.html |accessdate = 28 October 2017}} 4. ^1 2 3 {{cite journal |display-authors = 6 |first1 = Joseph R. |last1 = Masiero |first2 = A. K. |last2 = Mainzer |first3 = T. |last3 = Grav |first4 = J. M. |last4 = Bauer |first5 = R. M. |last5 = Cutri |first6 = C. |last6 = Nugent |first7 = M. S. |last7 = Cabrera |date = November 2012 |title = Preliminary Analysis of WISE/NEOWISE 3-Band Cryogenic and Post-cryogenic Observations of Main Belt Asteroids |url = http://adsabs.harvard.edu/cgi-bin/bib_query?bibcode=2012ApJ...759L...8M |journal = The Astrophysical Journal Letters |volume = 759 |issue = 1 |page = 5 |bibcode = 2012ApJ...759L...8M |doi = 10.1088/2041-8205/759/1/L8 |arxiv = 1209.5794 |access-date= 28 October 2017}} 5. ^1 2 {{cite web |title = Small Bodies Data Ferret |work = Nesvorny HCM Asteroid Families V3.0 |url = https://sbntools.psi.edu/ferret/PropertySearch/familyForm.action |accessdate = 28 October 2017}} 6. ^1 2 {{Cite book |first1 = D. |last1 = Nesvorný |first2 = M. |last2 = Broz |first3 = V. |last3 = Carruba |date = December 2014 |title = Identification and Dynamical Properties of Asteroid Families |journal = Asteroids IV |pages = 297–321 |bibcode = 2015aste.book..297N |doi = 10.2458/azu_uapress_9780816532131-ch016 |arxiv = 1502.01628 |isbn = 9780816532131 }} 7. ^1 {{cite web |title = LCDB Data for (79912) Terrell |publisher = Asteroid Lightcurve Database (LCDB) |url = http://www.minorplanet.info/PHP/GenerateALCDEFPage_Local.php?AstInfo=79912%7CTerrell |accessdate = 28 October 2017}} }} External links
6 : Adeona asteroids|Discoveries by Walter R. Cooney Jr.|Discoveries by Ethan Kandler|Minor planets named for people|Named minor planets|Astronomical objects discovered in 1999 |
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