(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.
Discovery
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Discovered by | Alan Fitzsimmons, Michael J. Irwin, Iwan P. Williams |
Discovery date | September 16, 1996[1] |
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° |
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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