442 Eichsfeldia
From Infogalactic: the planetary knowledge core
| Discovery [1] | |
|---|---|
| Discovered by | M. Wolf A. Schwassmann |
| Discovery site | Heidelberg Obs. |
| Discovery date | 15 February 1899 |
| Designations | |
| MPC designation | 442 Eichsfeldia |
|
Named after
|
Eichsfeld |
| 1899 EE; A892 FA | |
| main-belt | |
| Orbital characteristics [1] | |
| Epoch 27 June 2015 (JD 2457200.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 123.52 yr (45,116 days) |
| Aphelion | 2.5110 AU |
| Perihelion | 2.1801 AU |
| 2.3455 AU | |
| Eccentricity | 0.0705 |
| 3.59 yr (1312.1 days) | |
| 76.289° | |
| Inclination | 6.0691° |
| 134.93° | |
| 84.988° | |
| Earth MOID | 1.1824 AU |
| Physical characteristics | |
| Dimensions | 66.73±1.40 km 65.58±1.70 km[2] |
| Mass | 1.95±0.20) × 1017 kg[2] |
|
Mean density
|
1.32±0.16 g/cm3[2] |
| 11.871 h | |
| 0.0386 | |
| BV = 0.692 mag UB = 0.331 mag tholen = C SMASSII = Ch |
|
| 10.03 mag 9.94 mag[3] |
|
442 Eichsfeldia is a large main belt asteroid that was discovered by German astronomers Max Wolf and A. Schwassmann on February 15, 1899 in Heidelberg. It is classified as a C-type asteroid and is probably composed of primitive carbonaceous material.
Although Eichsfeldia has an orbit similar to the Vesta family asteroids, it was found to be an unrelated interloper on the basis of its non-matching spectral type.
References
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