469 Argentina

469 Argentina
Discovery
Discovered by	Luigi Carnera
Discovery site	Heidelberg Observatory
Discovery date	20 February 1901
Designations
MPC designation	(469) Argentina
Pronunciation	/ɑːrdʒənˈtaɪnə/
Named after	Argentina
Alternative designations	1901 GE
Minor planet category	main belt
Adjectives	Argentinian /ɑːrdʒənˈtɪniən/
Orbital characteristics
	Epoch 31 July 2016 (JD 2457600.5)
	Uncertainty parameter 0
Observation arc	109.08 yr (39840 d)
Aphelion	3.68734 AU (551.618 Gm)
Perihelion	2.67484 AU (400.150 Gm)
Semi-major axis	3.18109 AU (475.884 Gm)
Eccentricity	0.159144
Orbital period (sidereal)	5.67 yr (2072.3 d)
Mean anomaly	153.115°
Mean motion	0° 10m 25.378s / day
Inclination	11.5955°
Longitude of ascending node	333.476°
Argument of perihelion	209.588°
Physical characteristics
Dimensions	125.57 ± 5.6 kilometres (78.03 ± 3.48 mi); Mean diameter; 126.00 ± 4.91 kilometres (78.29 ± 3.05 mi);
Mean radius	62.785±2.8 km
Mass	(4.53±1.76)×1018 kg
Mean density	4.32±1.75 g/cm3
Synodic rotation period	12.3 hours; 17.573 h (0.7322 d);
Geometric albedo	0.0399±0.004
Spectral type	P
Absolute magnitude (H)	8.62

469 Argentina is an asteroid that was discovered by Luigi Carnera on 20 February 1901. Its provisional name was 1901 GE. 469 Argentina has an estimated rotation period of 12.3 hours.