词条 | 2228 Soyuz-Apollo |
释义 |
| minorplanet = yes | name = 2228 Soyuz-Apollo | background = #D6D6D6 | image = | image_size = | caption = | discovery_ref = | discovered = 19 July 1977 | discoverer = N. Chernykh | discovery_site = {{nowrap|Crimean Astrophysical Obs.}} | mpc_name = (2228) Soyuz-Apollo | alt_names = 1977 OH{{·}}{{mp|1933 SK|1}} {{mp|1952 DT|1}}{{·}}1963 DD {{mp|1973 YN|3}} | named_after = Apollo-Soyuz {{small|(Test Project)}} [2] | mp_category = main-belt{{·}}Themis [3] | orbit_ref = | epoch = 4 September 2017 (JD 2458000.5) | uncertainty = 0 | observation_arc = 53.75 yr (19,632 days) | aphelion = 3.7135 AU | perihelion = 2.5605 AU | semimajor = 3.1370 AU | eccentricity = 0.1838 | period = 5.56 yr (2,029 days) | mean_anomaly = 341.70° | mean_motion = {{Deg2DMS|0.1774|sup=ms}} / day | inclination = 1.9888° | asc_node = 140.40° | arg_peri = 285.71° | dimensions = 23.55 km {{small|(calculated)}}[3] {{val|26.080|0.295}} km[6][7] {{val|28.26|0.49}} km[8] | rotation = {{val|5.3846|0.0007}} h[9] {{val|5.3868|0.0013}} h[10] {{val|5.4|0.05}} h[9] {{val|6.12}} h[12] | albedo = 0.08 {{small|(assumed)}}[3] {{val|0.101|0.004}}[8] {{val|0.113|0.020}}[7] {{val|0.1134|0.0198}}[6] | spectral_type = C [3] | abs_magnitude = 10.9[6][8]{{·}}{{val|11.21|0.42}}[20]{{·}}11.5[3]{{·}}{{val|11.848|0.002}} {{small|(S)}}[10] }}2228 Soyuz-Apollo, provisional designation {{mp|1977 OH}}, is a carbonaceous Themistian asteroid from the outer region of the asteroid belt, approximately 26 kilometers in diameter. It was discovered on 19 July 1977, by Soviet–Russian astronomer Nikolai Chernykh at the Crimean Astrophysical Observatory in Nauchnyj on the Crimean peninsula.[24] It was named after the Apollo–Soyuz Test Project.[2] Orbit and classificationThe dark C-type asteroid is a member of the Themis family, a dynamical family of outer-belt asteroids with nearly coplanar ecliptical orbits. It orbits the Sun in the outer main-belt at a distance of 2.6–3.7 AU once every 5 years and 7 months (2,029 days). Its orbit has an eccentricity of 0.18 and an inclination of 2° with respect to the ecliptic. Physical characteristicsIt has a rotation period of 5.4 hours and an albedo of 0.10 and 0.11, as determined by the space-based Akari and WISE missions, respectively,[8][6] while the Collaborative Asteroid Lightcurve Link (CALL) assumes a lower albedo of 0.08.[3] NamingThis minor planet was named after the joint Soviet-American space flight, the Apollo–Soyuz Test Project, carried on in 1975. The reversal of the names, "Soyuz–Apollo" rather than "Apollo–Soyuz", was not political, but to prevent confusion with the asteroid 1862 Apollo.[2] The official naming citation was published by the Minor Planet Center on 1 March 1981 ({{small|M.P.C. 5850}}).[31] References1. ^1 2 3 {{cite book |title = Dictionary of Minor Planet Names – (2228) Soyuz-Apollo |last = Schmadel | first = Lutz D. |publisher = Springer Berlin Heidelberg |page = 181 |date = 2007 |isbn = 978-3-540-00238-3 |doi = 10.1007/978-3-540-29925-7_2229 |chapter = (2228) Soyuz-Apollo }} [1][2][3][4][5][6][7][8][9][10][11]2. ^1 {{cite web |title = 2228 Soyuz-Apollo (1977 OH) |work = Minor Planet Center |url = http://www.minorplanetcenter.net/db_search/show_object?object_id=2228 |accessdate = 7 December 2016}} 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 = 7 December 2016}} 4. ^1 2 {{cite web |title = Asteroids and comets rotation curves – (2228) Soyuz-Apollo |last = Behrend |first = Raoul |publisher = Geneva Observatory |url = http://obswww.unige.ch/~behrend/page4cou.html#002228 |accessdate = 7 December 2016}} 5. ^1 2 3 4 5 6 {{cite web |title = LCDB Data for (2228) Soyuz-Apollo |publisher = Asteroid Lightcurve Database (LCDB) |url = http://www.minorplanet.info/PHP/GenerateALCDEFPage_Local.php?AstInfo=2228%7CSoyuz-Apollo |accessdate = 7 December 2016}} 6. ^1 2 3 4 {{cite journal |display-authors = 6 |first1 = Fumihiko |last1 = Usui |first2 = Daisuke |last2 = Kuroda |first3 = Thomas G. |last3 = Müller |first4 = Sunao |last4 = Hasegawa |first5 = Masateru |last5 = Ishiguro |first6 = Takafumi |last6 = Ootsubo |first7 = Daisuke |last7 = Ishihara |first8 = Hirokazu |last8 = Kataza |first9 = Satoshi |last9 = Takita |first10 = Shinki |last10 = Oyabu |first11 = Munetaka |last11 = Ueno |first12 = Hideo |last12 = Matsuhara |first13 = Takashi |last13 = Onaka |date = October 2011 |title = Asteroid Catalog Using Akari: AKARI/IRC Mid-Infrared Asteroid Survey |url = http://pasj.oxfordjournals.org/content/63/5/1117.full.pdf+html |journal = Publications of the Astronomical Society of Japan |volume = 63 |issue = 5 |pages = 1117–1138 |bibcode = 2011PASJ...63.1117U |doi = 10.1093/pasj/63.5.1117 |access-date= 7 December 2016}} 7. ^1 2 3 4 {{cite journal |display-authors = 6 |first1 = A. |last1 = Mainzer |first2 = T. |last2 = Grav |first3 = J. |last3 = Masiero |first4 = E. |last4 = Hand |first5 = J. |last5 = Bauer |first6 = D. |last6 = Tholen |first7 = R. 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5 : Themis asteroids|Discoveries by Nikolai Chernykh|Named minor planets|Apollo–Soyuz Test Project|Astronomical objects discovered in 1977 |
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