1108 Demeter
| Discovery | |
|---|---|
| Discovered by | Reinmuth, K. at Heidelberg |
| Discovery date | 31 May 1929 |
| Designations | |
| MPC designation | (1929) KA |
| 1963 MF | |
| Orbital characteristics | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 86.81 yr (31709 days) |
| Aphelion | 3.0504 AU (456.33 Gm) |
| Perihelion | 1.8047 AU (269.98 Gm) |
| 2.4276 AU (363.16 Gm) | |
| Eccentricity | 0.25656 |
| 3.78 yr (1381.5 d) | |
| 343.2219° | |
| 0° 15m 38.11s / day | |
| Inclination | 24.91410° |
| 234.25688° | |
| 78.13723° | |
| Earth MOID | 0.945541 AU (141.4509 Gm) |
| Jupiter MOID | 2.47708 AU (370.566 Gm) |
| Jupiter Tisserand parameter | 3.341 |
| Proper orbital elements | |
|
Proper mean motion
|
0.26057 deg / yr |
|
Proper orbital period
|
1381.58652 yr (504624.477 d) |
| Physical characteristics | |
|
Mean radius
|
12.805±1 km |
| 9.70 h (0.404 d) | |
| 0.0464±0.008 | |
| C | |
| 11.91 | |
1108 Demeter is an asteroid from the asteroid belt. It was discovered by Karl Reinmuth in Heidelberg, Germany on May 31, 1929. Its provisional designation was 1929 KA. It was named after the Greek goddess of fruitful soil and agriculture.
The goddess Demeter is the Greek equivalent of Roman Ceres. When 1 Ceres was named, the Greeks called it Demeter, effectively translating the name into Greek, rather as English uses Anglo-Latin Ceres rather than the original Italian Cerere. However, this created a problem when 1108 Demeter was named. The Greeks resolved this by using the classical form of the name, Δημήτηρ Dēmêtēr, for the new body, distinguishing it from the Modern Greek form Δήμητρα Dêmētra that had been used for 1 Ceres. However, Greek-influenced Slavic languages such as Russian had adopted Latin/Italian Cerera for 1 Ceres, and were thus free to use the modern Greek form Demetra for 1108 Demeter.
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