(469987) 2006 HJ123 explained
| Minorplanet: | yes |
| Background: | - C2E0FF
|
|
| Discovered: | 27 April 2006 |
| Discovery Ref: | [1] |
| Mp Category: | TNO (plutino)[2] |
| Epoch: | 13 January 2016 (JD 2457400.5) |
| Semimajor: | 39.535AU |
| Perihelion: | 27.626AU |
| Time Periastron: | ≈ 26 April 2051[3]
±1 days |
| Aphelion: | 51.444abbr=onNaNabbr=on |
| Eccentricity: | 0.30123 |
| Period: | 248.59 yr (90798.1 d) |
| Inclination: | 12.433° |
| Asc Node: | 222.53° |
| Arg Peri: | 101.59° |
| Orbit Ref: | [4] |
| Dimensions: | 283.1 km |
| Abs Magnitude: | 5.32 ± 0.66, 5.7 |
| Albedo: | 0.136 |
| Mean Motion: | /day |
| Observation Arc: | 1838 days (5.03 yr) |
| Uncertainty: | 3 |
| Moid: | 26.636AU |
| Jupiter Moid: | 22.7401AU |
(also written 2006 HJ123) is a trans-Neptunian object (TNO). It was discovered in 2006 by Marc W. Buie. The object is a plutino (in 2:3 resonance with Neptune).[2]
Physical properties
The size of was measured by the Herschel Space Telescope to be 283 km.[5]
Notes and References
- Web site: List Of Transneptunian Objects. 14 May 2012. IAU Minor Planet Center.
- Web site: 2006-06-11 . MPEC 2006-L50 : 2006 HF123, 2006 HG123, 2006 HH123, 2006 HJ123 . Brian G. . Marsden . IAU Minor Planet Center . Harvard-Smithsonian Center for Astrophysics . 2012-05-14.
- http://ssd.jpl.nasa.gov/horizons.cgi?find_body=1&body_group=sb&sstr=2006HJ123 JPL Horizons
- Web site: 2012-05-14 last obs . JPL Small-Body Database Browser: (2006 HJ123) . 30 March 2016.
- Mommert . Michael. Harris . A. W. . Kiss . C. . Pál . A. . Santos-Sanz . P. . Stansberry . J. . Delsanti . A. . Vilenius . E. . Müller . T. G. . N. . Peixinho. E. . Lellouch. N. . Szalai. F. . Henry. R. . Duffard. S. . Fornasier. P. . Hartogh. M. . Mueller. J. L. . Ortiz. S. . Protopapa. M. . Rengel. A. . Thirouin. TNOs are cool: A survey of the trans-Neptunian region—V. Physical characterization of 18 Plutinos using Herschel-PACS observations. 10.1051/0004-6361/201118562 . . 541 . A93 . May 2012. 2012A&A...541A..93M . 1202.3657 .
