496 Gryphia

496 Gryphia is an S-type asteroid^[3] belonging to the Flora family in the Main Belt. Its diameter is about 15 km and it has an albedo of 0.168.^[4]

496 Gryphia

Discovery
Discovered by	Max Wolf
Discovery site	Heidelberg
Discovery date	25 October 1902
Designations
MPC designation	(496) Gryphia
Pronunciation	/ˈɡrɪfiə/[1]
Alternative designations	1902 KH; 1931 TB; 1931 TN2; 1933 FQ; 1936 CB; 1951 WS2
Orbital characteristics[2]
Epoch 31 July 2016 (JD 2457600.5)
Uncertainty parameter 0
Observation arc	112.79 yr (41198 d)
Aphelion	2.3726 AU (354.94 Gm)
Perihelion	2.0255 AU (303.01 Gm)
Semi-major axis	2.1990 AU (328.97 Gm)
Eccentricity	0.078917
Orbital period (sidereal)	3.26 yr (1191.1 d)
Mean anomaly	267.309°
Mean motion	0° 18m 8.064s / day
Inclination	3.7916°
Longitude of ascending node	207.608°
Argument of perihelion	258.567°
Physical characteristics
Mean radius	7.735±0.55 km
Synodic rotation period	18.0 h (0.75 d)
Geometric albedo	0.1676±0.027
Absolute magnitude (H)	11.61

This object has a very low rate of spin, requiring 44.67 days (1,072 h) to complete a full rotation.^[5]