219 Thusnelda
| Discovery | |
|---|---|
| Discovered by | Johann Palisa |
| Discovery date | 30 September 1880 |
| Designations | |
MPC designation | (219) Thusnelda |
| Pronunciation | /ðʌsˈnɛldə/ |
Named after | Thusnelda |
Minor planet category | 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] |
Synodic rotation period | 59.74 h (2.489 d) |
| 0.2009±0.030[1] 0.2214 ± 0.0471[2] | |
| S[2] (Tholen) | |
Absolute magnitude (H) | 9.32,[1] 9.34[2] |
Thusnelda (minor planet designation: 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.
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[]
- ^ 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[]
- 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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Categories:
- Minor planet object articles (numbered)
- Background asteroids
- Discoveries by Johann Palisa
- Minor planets named for people
- Named minor planets
- S-type asteroids (Tholen)
- Astronomical objects discovered in 1880
- S-type main-belt-asteroid stubs