550 Senta
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A three-dimensional model of 550 Senta based on its light curve. | |
| Discovery | |
|---|---|
| Discovered by | Max Wolf |
| Discovery site | Heidelberg |
| Discovery date | 16 November 1904 |
| Designations | |
| 1904 PL | |
| Orbital characteristics[1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 115.33 yr (42124 d) |
| Aphelion | 3.1653 AU (473.52 Gm) |
| Perihelion | 2.0115 AU (300.92 Gm) |
| 2.5884 AU (387.22 Gm) | |
| Eccentricity | 0.22287 |
| 4.16 yr (1521.1 d) | |
| 17.4133° | |
| 0° 14m 12.012s / day | |
| Inclination | 10.108° |
| 270.702° | |
| 45.342° | |
| Earth MOID | 1.01125 AU (151.281 Gm) |
| Jupiter MOID | 2.15027 AU (321.676 Gm) |
| Jupiter Tisserand parameter | 3.364 |
| Physical characteristics | |
Mean radius | 18.875±1.9 km |
| 20.555 h (0.8565 d)[1][2] | |
| 0.2215±0.052 | |
| 9.37 | |
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550 Senta is a minor planet orbiting the Sun that was discovered by German astronomer Max Wolf on November 16, 1904 from Heidelberg.
Photometric observations of this asteroid made at the Torino Observatory in Italy during 1990–1991 were used to determine a synodic rotation period of 20.555 ± 0.01 hours.[2]
References
- 1 2 Yeomans, Donald K., "550 Senta", JPL Small-Body Database Browser (NASA Jet Propulsion Laboratory), retrieved 5 May 2016.
- 1 2 di Martino, M.; et al. (February 1994), "Lightcurves and rotational periods of nine main belt asteroids", Icarus 107 (2), pp. 269–275, Bibcode:1994Icar..107..269D, doi:10.1006/icar.1994.1022.
External links
- 550 Senta at the JPL Small-Body Database
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