(19299) 1996 SZ4

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(19299) 1996 SZ4
Discovery
Discovered by Alan Fitzsimmons, Michael J. Irwin,
Iwan P. Williams
Discovery date 16 September 1996[1]
Designations
MPC designation (19299) 1996 SZ4
none
plutino
Orbital characteristics[2]
Epoch 13 January 2016 (JD 2457400.5)
Uncertainty parameter 3
Observation arc 4479 days (12.26 yr)
Aphelion 49.67588 AU (7.431406 Tm)
Perihelion 29.37568 AU (4.394539 Tm)
39.52578 AU (5.912973 Tm)
Eccentricity 0.25680
248.50 yr (90765.1 d)
4.67 km/s
6.83331°
0° 0m 14.279s / day
Inclination 4.74419°
16.0349°
30.4998°
Earth MOID 28.3852 AU (4.24637 Tm)
Jupiter MOID 24.3942 AU (3.64932 Tm)
Jupiter Tisserand parameter 5.441
Physical characteristics
Dimensions 101 km[3]
Mass 1.1×1018? kg
Mean density
2.0? g/cm³
Equatorial surface gravity
0.0282? m/s²
Equatorial escape velocity
0.0534? km/s
? d
0.10?
Temperature ~44 K
?
7.9

(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.

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