Back 690 وراتيسلافيا Arabic 690 Wratislavia (كويكب) ARZ (690) Вратиславия CE (690) Wratislavia German 690 Βρατισλαβία Greek 690 Wratislavia Esperanto (690) Wratislavia Spanish 690 Wratislavia Basque وروتسواف ۶۹۰ Persian (690) Wratislavia French
.png) A three-dimensional model of 690 Wratislavia based on its light curve | |
| Discovery | |
|---|---|
| Discovered by | Joel Hastings Metcalf |
| Discovery site | Taunton, Massachusetts |
| Discovery date | 16 October 1909 |
| Designations | |
| (690) Wratislavia | |
| Pronunciation | /vrætɪˈslɑːviə/ |
Named after | Wrocław |
| 1909 HZ | |
| Orbital characteristics[1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 113.75 yr (41547 d) |
| Aphelion | 3.7163 AU (555.95 Gm) |
| Perihelion | 2.5737 AU (385.02 Gm) |
| 3.1450 AU (470.49 Gm) | |
| Eccentricity | 0.18166 |
| 5.58 yr (2037.2 d) | |
| 53.487° | |
| 0° 10m 36.192s / day | |
| Inclination | 11.266° |
| 253.160° | |
| 114.819° | |
| Physical characteristics | |
| Mass | (1.28±0.03)×1019 kg[2] |
Mean density | 7.81±1.77 g/cm3[2] |
| 8.64 h (0.360 d) | |
| 0.0604±0.004 | |
| 8.02 | |
690 Wratislavia is a minor planet orbiting the Sun. Wratislavia was discovered on October 16, 1909.[1] IRAS data shows it is about 135 km in diameter.[1]
Wratislavia has been studied by radar.[3]
- ^ a b c d "JPL Small-Body Database Browser: 690 Wratislavia (1909 HZ)" (2005-03-11 last obs). Retrieved 7 May 2016.
- ^ a b c Cite error: The named reference
Carry2012was invoked but never defined (see the help page). - ^ "Radar-Detected Asteroids and Comets". NASA/JPL Asteroid Radar Research. Retrieved 30 October 2011.