296 Phaëtusa

296 Phaëtusa

Modelled shape of Phaëtusa from its lightcurve
Discovery
Discovered by	Auguste Charlois
Discovery date	19 August 1890
Designations
MPC designation	(296) Phaëtusa
Pronunciation	/feɪ.əˈtjuːsə/[1]
Named after	Phaethusa
Alternative designations	A890 QB, 1917 XB 1930 YH
Minor planet category	Main belt
Orbital characteristics[2]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	85.28 yr (31149 d)
Aphelion	2.58669 AU (386.963 Gm)
Perihelion	1.87025 AU (279.785 Gm)
Semi-major axis	2.22847 AU (333.374 Gm)
Eccentricity	0.16075
Orbital period (sidereal)	3.33 yr (1215.1 d)
Average orbital speed	19.95 km/s
Mean anomaly	272.510°
Mean motion	0° 17^m 46.586^s / day
Inclination	1.74738°
Longitude of ascending node	121.585°
Argument of perihelion	252.628°
Physical characteristics
Dimensions	7 - 15 km
Synodic rotation period	4.5385 h (0.18910 d)
Absolute magnitude (H)	12.62

296 Phaëtusa is a small Main belt asteroid.[2] It was discovered by Auguste Charlois on 19 August 1890 in Nice.

References

1. 'Phaethusa' in Noah Webster (1884) A Practical Dictionary of the English Language
2. "296 Phaetusa". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 11 May 2016.

External links

• 296 Phaëtusa at AstDyS-2, Asteroids—Dynamic Site
  • Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
• 296 Phaëtusa at the JPL Small-Body Database
  • Close approach · Discovery · Ephemeris · Orbit viewer · Orbit parameters · Physical parameters