320 Katharina
320 KatharinaDiscovery |
---|
Discovered by |
Johann Palisa |
---|
Discovery date |
October 11, 1891 |
---|
Designations |
---|
|
Main belt (Eos) |
---|
Orbital characteristics |
---|
Epoch 30 January 2005 (JD 2453400.5) |
Aphelion |
501.431 Gm (3.352 AU) |
---|
Perihelion |
399.92 Gm (2.673 AU) |
---|
|
450.676 Gm (3.013 AU) |
---|
Eccentricity |
0.113 |
---|
|
1909.845 d (5.23 a) |
---|
|
17.16 km/s |
---|
|
242.461° |
---|
Inclination |
9.381° |
---|
|
220.047° |
---|
|
151.497° |
---|
Physical characteristics |
---|
Dimensions |
17 - 37 km |
---|
Mass |
[7.72 x 10^15 kg - 7.97 x 10^16 kg]? (assumed) |
---|
|
3.0 g/cm^3? (assumed) |
---|
|
unknown |
---|
|
unknown |
---|
|
unknown |
---|
Albedo |
0.3207-0.0677 |
---|
Temperature |
145.78 K-157.79 K |
---|
Spectral type |
K-type? |
---|
|
10.7 |
---|
|
320 Katharina is a small Main belt asteroid orbiting in the Eos family of asteroids, including 513 Centesima and 221 Eos.[1] It was discovered by Johann Palisa on October 11, 1891 in Vienna.
References