(303775) 2005 QU182
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(303775) 2005 QU182
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Discovery[1]
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| Discovered by | M. E. Brown D. L. Rabinowitz C. A. Trujillo |
| Discovery date | August 30, 2005 |
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Designations
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| MPC designation | 2005 QU182 |
| Minor planet category |
TNO (SDO)[2][3] |
| Epoch February 8, 2011 | |
| Aphelion | 190.75 AU (Q) |
| Perihelion | 37.01 AU (q) |
| Semi-major axis | 113.88 AU (a) |
| Eccentricity | 0.675 |
| Orbital period | 1215.26 yr |
| Mean anomaly | 11.65° (M) |
| Inclination | 14.02° |
| Longitude of ascending node | 78.45° |
| Argument of perihelion | 224.46° |
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Physical characteristics
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| Dimensions | 416±73 km[5] |
| Albedo | 0.328+0.160 −0.109[5] |
| Apparent magnitude | 20.6[6] |
| Absolute magnitude (H) | 3.5[4] |
2005 QU182, also written as 2005 QU182, is a trans-Neptunian object with a bright absolute magnitude of 3.5.[4] As of August 2011[update], Mike Brown lists it as highly likely a dwarf planet.[7]
Distance
It came to perihelion in 1971,[4] and is currently 49 AU from the Sun.[6]
It has been observed 49 times over 8 oppositions with precovery images back to 1974.[4]
References
- ^ "MPEC 2007-R03 : 2004 PF115, 2004 PG115, 2004 XA192, 2005 QU182". IAU Minor Planet Center. 2007-09-01. http://minorplanetcenter.org/mpec/K07/K07R03.html. Retrieved 2009-08-26.
- ^ "List Of Centaurs and Scattered-Disk Objects". Minor Planet Center. http://www.minorplanetcenter.org/iau/lists/Centaurs.html. Retrieved 2009-01-22.
- ^ Marc W. Buie (2008-10-24). "Orbit Fit and Astrometric record for 05QU182". SwRI (Space Science Department). http://www.boulder.swri.edu/~buie/kbo/astrom/05QU182.html. Retrieved 2008-12-09.
- ^ a b c d e "JPL Small-Body Database Browser: (2005 QU182)". 2009-09-18 last obs. http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=2005QU182. Retrieved 2010-01-02.
- ^ a b Santos-Sanz, P., Lellouch, E., Fornasier, S., Kiss, C., Pal, A., Müller, T. G., Vilenius, E., Stansberry, J., Mommert, M., Delsanti, A., Mueller, M., Peixinho, N., Henry, F., Ortiz, J. L., Thirouin, A., Protopapa, S., Duffard, R., Szalai, N., Lim, T., Ejeta, C., Hartogh, P., Harris, A. W., & Rengel, M. (2012). “TNOs are Cool”: A Survey of the Transneptunian Region IV - Size/albedo characterization of 15 scattered disk and detached objects observed with Herschel Space Observatory-PACS
- ^ a b "AstDys 2005QU182 Ephemerides". Department of Mathematics, University of Pisa, Italy. Archived from the original on 2009-05-16. http://hamilton.dm.unipi.it/astdys/index.php?pc=1.1.3.0&n=2005QU182. Retrieved 2009-03-16.
- ^ Michael E. Brown (Sep 23 2011). "How many dwarf planets are there in the outer solar system? (updates daily)". California Institute of Technology. http://www.gps.caltech.edu/~mbrown/dps.html. Retrieved 2011-09-23.
External links
- Orbital simulation from JPL (Java) / Horizons Ephemeris
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