|
Discovery
|
|
|---|---|
| Discovered by | Walther Villiger |
| Discovery date | November 18, 1897 |
|
Designations
|
|
| Named after | Munich |
| Alternate name(s) | 1897 DK; 1946 UL; 1949 OE; 1953 TN3; 1974 XU |
| Minor planet category |
Main belt (Flora family) |
| Epoch 30 January 2005 (JD 2453400.5) | |
| Aphelion | 407.004 Gm (2.721 AU) |
| Perihelion | 283.364 Gm (1.894 AU) |
| Semi-major axis | 345.184 Gm (2.307 AU) |
| Eccentricity | 0.179 |
| Orbital period | 1280.202 d (3.51 a) |
| Average orbital speed | 19.61 km/s |
| Mean anomaly | 226.711° |
| Inclination | 6.2° |
| Longitude of ascending node | 17.76° |
| Argument of perihelion | 15.598° |
|
Physical characteristics
|
|
| Dimensions | 18 km[1] |
| Mass | unknown |
| Mean density | unknown |
| Equatorial surface gravity | unknown |
| Escape velocity | unknown |
| Rotation period | 0.151 d (3.634 h) [2] |
| Albedo | 0.114[1] |
| Temperature | unknown |
| Spectral type | unknown |
| Absolute magnitude (H) | 11.5 |
428 Monachia is an asteroid orbiting within the Flora family in the Main Belt.
It was discovered by Walther Villiger on November 18, 1897 in Munich, Germany. It was his only asteroid discovery. The asteroid's name comes from the Latin name for Munich.[3]
|
|||||
|
||||||||||||||||||||||