Gryphia (minor planet designation: 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]
Discovery | |
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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]
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