(19299) 1996 SZ4

(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
Alternative names	none
Minor planet category	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)
Semi-major axis	39.52578 AU (5.912973 Tm)
Eccentricity	0.25680
Orbital period	248.50 yr (90765.1 d)
Average orbital speed	4.67 km/s
Mean anomaly	6.83331°
Mean motion	0° 0^m 14.279^s / day
Inclination	4.74419°
Longitude of ascending node	16.0349°
Argument of perihelion	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	1.1×10^18? kg
Mean density	2.0? g/cm³
Equatorial surface gravity	0.0282? m/s²
Equatorial escape velocity	0.0534? km/s
Sidereal rotation period	? d
Geometric albedo	0.10?
Temperature	~44 K
Spectral type	?
Absolute magnitude (H)	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.

References

1. List Of Transneptunian Objects
2. "19299 (1996 SZ4)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 8 April 2016.
3. List of known trans-Neptunian objects

External links

• (19299) 1996 SZ4 at the JPL Small-Body Database

• Discovery · Orbit diagram · Orbital elements · Physical parameters