288 Glauke
| Discovery | |
|---|---|
| Discovered by | Robert Luther |
| Discovery date | 20 February 1890 |
| Designations | |
| MPC designation | (288) Glauke |
|
Named after
|
Glauce |
| 1955 MO; 1959 GB; 1961 WF | |
| Main belt | |
| Orbital characteristics | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 124.34 yr (45416 d) |
| Aphelion | 3.32685 AU (497.690 Gm) |
| Perihelion | 2.19625 AU (328.554 Gm) |
| 2.76155 AU (413.122 Gm) | |
| Eccentricity | 0.20470 |
| 4.59 yr (1676.2 d) | |
|
Average orbital speed
|
17.74 km/s |
| 176.219° | |
| 0° 12m 53.172s / day | |
| Inclination | 4.33517° |
| 120.135° | |
| 84.8286° | |
| Earth MOID | 1.19724 AU (179.105 Gm) |
| Jupiter MOID | 1.6466 AU (246.33 Gm) |
| Jupiter Tisserand parameter | 3.306 |
| Physical characteristics | |
| Dimensions | 32.21±2.2 km (IRAS) |
| Mass | 3.5×1016 kg (assumed) |
|
Mean density
|
2.0 ? g/cm³ |
|
Equatorial surface gravity
|
0.0090 m/s² |
|
Equatorial escape velocity
|
0.0170 km/s |
| 1,170 h (49 d) | |
| 0.1973±0.029 | |
| Temperature | ~115 K |
| SK | |
| 9.84 | |
288 Glauke (/ˈɡlɔːkiː/ GLAW-kee) is an asteroid from the asteroid belt discovered by Robert Luther in 1890. It was the last of his asteroid discoveries. It is named after Glauke, a daughter of Creon a king of Corinth in Greek mythology.
Glauke has an exceptionally slow rotation period of about 1200 hours (50 days). This makes it one of the slowest-rotating asteroids in the Solar System. The rotation is believed to be "tumbling", similar to the near-Earth asteroid 4179 Toutatis.
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