219 Thusnelda is a typical S-type Main belt asteroid. It was discovered by Johann Palisa on September 30, 1880, in Pola and was named after Thusnelda, wife of Germanic warrior Arminius.
 Orbital diagram | |
| Discovery | |
|---|---|
| Discovered by | Johann Palisa |
| Discovery date | 30 September 1880 |
| Designations | |
| (219) Thusnelda | |
| Pronunciation | /ðʌsˈnɛldə/ |
Named after | Thusnelda |
| A880 SA | |
| Main belt | |
| Orbital characteristics[1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 117.58 yr (42947 d) |
| Aphelion | 2.8796 AU (430.78 Gm) |
| Perihelion | 1.8302 AU (273.79 Gm) |
| 2.3549 AU (352.29 Gm) | |
| Eccentricity | 0.22281 |
| 3.61 yr (1319.9 d) | |
Average orbital speed | 19.41 km/s |
| 238.118° | |
| 0° 16m 21.864s / day | |
| Inclination | 10.861° |
| 200.821° | |
| 142.692° | |
| Physical characteristics | |
| Dimensions | 40.56±2.7 km[1] 38.279 km[2] |
| 59.74 h (2.489 d) | |
| 0.2009±0.030[1] 0.2214 ± 0.0471[2] | |
| S[2] (Tholen) | |
| 9.32,[1] 9.34[2] | |
In 1982, the asteroid was observed using photometry from the La Silla Observatory to generate a composite light curve. The resulting data showed a rotation period of 1.24 days (29.8 h) with a brightness variation of 0.2 in magnitude.[3]
References
edit- ^ a b c d "219 Thusnelda". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 12 May 2016.
- ^ a b c d Pravec, P.; et al. (May 2012), "Absolute Magnitudes of Asteroids and a Revision of Asteroid Albedo Estimates from WISE Thermal Observations", Asteroids, Comets, Meteors 2012, Proceedings of the conference held May 16–20, 2012 in Niigata, Japan, no. 1667, Bibcode:2012LPICo1667.6089P. See Table 4.
- ^ Lagerkvist, C.-I.; Kamel, L. (December 1982), "Physical studies of asteroids. X - Photoelectric light curves of the asteroids 219 and 512", Moon and the Planets, 27: 463–466, Bibcode:1982M&P....27..463L, doi:10.1007/BF00929999.
External links
edit- The Asteroid Orbital Elements Database
- Minor Planet Discovery Circumstances
- Asteroid Lightcurve Data File
- 219 Thusnelda at AstDyS-2, Asteroids—Dynamic Site
- 219 Thusnelda at the JPL Small-Body Database
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