(268361) 2007 JJ43 is a large trans-Neptunian object (TNO) orbiting the Sun near the outer edge of the Kuiper belt. Its discovery images were taken in 2007, and its absolute magnitude of 4.5 is one of the twenty brightest exhibited by TNOs. Assuming it has a typical albedo, this would make it roughly the same size as Ixion (about 530–620 km diameter). In a paper in the Astrophysical Journal Letters András Pál and colleagues estimate a diameter for (278361) 2007 JJ43 of 610+170 −140 km.[7]
Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters
March 17, 2024
278361, 2007, 268361, 2007, jj43, large, trans, neptunian, object, orbiting, near, outer, edge, kuiper, belt, discovery, images, were, taken, 2007, absolute, magnitude, twenty, brightest, exhibited, tnos, assuming, typical, albedo, this, would, make, roughly, . 268361 2007 JJ43 is a large trans Neptunian object TNO orbiting the Sun near the outer edge of the Kuiper belt Its discovery images were taken in 2007 and its absolute magnitude of 4 5 is one of the twenty brightest exhibited by TNOs Assuming it has a typical albedo this would make it roughly the same size as Ixion about 530 620 km diameter In a paper in the Astrophysical Journal Letters Andras Pal and colleagues estimate a diameter for 278361 2007 JJ43 of 610 170 140 km 7 278361 2007 JJ43Discovery 1 Discovered byPalomar Obs Discovery sitePalomar Obs Discovery date14 May 2007DesignationsAlternative designations2007 JJ43Minor planet categoryTNO 1 2 ScatNear 3 Orbital characteristics 4 1 Epoch 27 August 2011 JD 2455800 5 Uncertainty parameter 2Observation arc4813 days 13 18 yr Earliest precovery date10 May 2002 NEAT Aphelion55 3707 AUPerihelion40 2776 AUSemi major axis47 82 AUEccentricity0 1578Orbital period sidereal 330 74 a 120801 d Mean anomaly331 84 Inclination12 0623 Longitude of ascending node272 493 Time of perihelion 2 April 2037 5 6 daysArgument of perihelion9 02 Physical characteristicsMean diameter530 km est at 0 08 6 457 km est at 0 135 2 610 170 140 km 7 Synodic rotation period12 097 h 7 6 04 h 1 Geometric albedo0 13 7 Apparent magnitude20 8 8 Absolute magnitude H 3 2 R band 9 4 5 1 Observations by Brown in 2012 using the W M Keck Observatory suggest that 278361 2007 JJ43 does not have a companion 10 As of 2014 update it is about 41 3 AU from the Sun 8 See also editList of Solar System objects by sizeReferences edit a b c d e JPL Small Body Database Browser 2007 JJ43 Retrieved 2011 06 18 a b Wm Robert Johnston 18 August 2020 List of Known Trans Neptunian Objects Johnston s Archive Retrieved 23 July 2021 Marc W Buie Orbit Fit and Astrometric record for 278361 SwRI Space Science Department Retrieved 2018 02 18 AstDys 2007 JJ43 Summary Retrieved 2012 02 03 JPL Horizons Observer Location sun Perihelion occurs when deldot changes from negative to positive Uncertainty in time of perihelion is 3 sigma Michael E Brown How many dwarf planets are there in the outer solar system updates daily California Institute of Technology Archived from the original on 2019 05 31 Retrieved 2019 08 13 a b c d Pal A et al 2015 Pushing the Limits K2 Observations of the Trans Neptunian Objects 2002 GV31 and 278361 2007 JJ43 The Astrophysical Journal Letters 804 2 L45 arXiv 1504 03671 Bibcode 2015ApJ 804L 45P doi 10 1088 2041 8205 804 2 L45 S2CID 117489359 a b AstDys 2007 JJ43 Ephemerides Department of Mathematics University of Pisa Italy Retrieved 2012 02 03 A Southern Sky and Galactic Plane Survey for Bright Kuiper Belt Object Plutokiller 2012 02 03 2007 JJ43 doesn t have a big moon There could be a small one hiding in there Twitter Retrieved 2012 02 03 moonless External links editList of Transneptunian Objects Minor Planet Center 278361 2007 JJ43 at the JPL Small Body Database nbsp Close approach Discovery Ephemeris Orbit diagram Orbital elements Physical parameters Retrieved from https en wikipedia org w index php title 278361 2007 JJ43 amp oldid 1187142659, wikipedia, wiki, book, books, library,
