494 Virtus

Virtus (minor planet designation: 494 Virtus) is an 86 km minor planet orbiting the Sun. It was discovered by Max Wolf on October 7, 1902. Its provisional name was 1902 JV.

494 Virtus

Discovery
Discovered by	Max Wolf
Discovery site	Heidelberg
Discovery date	7 October 1902
Designations
MPC designation	(494) Virtus
Pronunciation	/ˈvɜːrtəs/
Alternative designations	1902 JV
Orbital characteristics[1]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	113.29 yr (41379 d)
Aphelion	3.1756 AU (475.06 Gm)
Perihelion	2.7961 AU (418.29 Gm)
Semi-major axis	2.9858 AU (446.67 Gm)
Eccentricity	0.063565
Orbital period	5.16 yr (1884.5 d)
Mean anomaly	143.315°
Mean motion	0° 11^m 27.708^s / day
Inclination	7.0866°
Longitude of ascending node	38.210°
Argument of perihelion	218.055°
Physical characteristics
Dimensions	85.52±1.8 km[1]
Rotation period	5.57 h (0.232 d)
Geometric albedo	0.0630±0.003
Spectral type	C
Absolute magnitude (H)	8.96

References

1. "JPL Small-Body Database Browser: 494 Virtus (1902 JV)". Jet Propulsion Laboratory. Retrieved 9 May 2016.

External links

• Lightcurve plot of 494 Virtus, Palmer Divide Observatory, B. D. Warner (2005)
• Asteroid Lightcurve Database (LCDB), query form (info)
• Dictionary of Minor Planet Names, Google books
• Asteroids and comets rotation curves, CdR – Observatoire de Genève, Raoul Behrend
• Discovery Circumstances: Numbered Minor Planets (1)-(5000) – Minor Planet Center
• 494 Virtus at AstDyS-2, Asteroids—Dynamic Site
  • Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
• 494 Virtus at the JPL Small-Body Database
  • Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters