(19299) 1996 SZ4
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- The correct title of this article is (19299) 1996 SZ4. It features superscript or subscript characters that are substituted or omitted because of technical limitations.
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Discovery
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| Discovered by | Alan Fitzsimmons, Michael J. Irwin, Iwan P. Williams |
| Discovery date | September 16, 1996[1] |
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Designations
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| MPC designation | (19299) 1996 SZ4 |
| Alternative names | none |
| Minor planet category |
plutino |
| Epoch December 31, 2006 (JD 2454100.5) | |
| Aphelion | 7398.197 Gm (49.454 AU) |
| Perihelion | 4393.301 Gm (29.367 AU) |
| Semi-major axis | 5895.749 Gm (39.411 AU) |
| Eccentricity | 0.255 |
| Orbital period | 90368.862 d (247.42 a) |
| Average orbital speed | 4.67 km/s |
| Mean anomaly | 353.969° |
| Inclination | 4.743° |
| Longitude of ascending node | 15.981° |
| Argument of perihelion | 30.075° |
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Physical characteristics
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| Dimensions | 101 km[2] |
| Mass | 1.1×1018? kg |
| Mean density | 2.0? g/cm³ |
| Equatorial surface gravity | 0.0282? m/s² |
| Escape velocity | 0.0534? km/s |
| Sidereal rotation period |
? d |
| Albedo | 0.10? |
| Temperature | ~44 K |
| Spectral type | ? |
| Absolute magnitude | 8.2 |
(19299) 1996 SZ4 (also written (19299) 1996 SZ4) is a trans-Neptunian object (TNO) that resides in the Kuiper belt. It is in a 3:2 orbital resonance with Neptune similar to Pluto.
[edit] References
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