550 Senta

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550 Senta
550Senta (Lightcurve Inversion).png
A three-dimensional model of 550 Senta based on its light curve
Discovery
Discovered by Max Wolf
Discovery site Heidelberg
Discovery date16 November 1904
Designations
(550) Senta
PronunciationGerman: [ˈzɛntaː]
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°
Physical characteristics
Mean radius
18.875±1.9 km
20.555  h (0.8565  d) [1] [2]
0.2215±0.052
9.37

    Senta (minor planet designation: 550 Senta) is a minor planet orbiting the Sun that was discovered by German astronomer Max Wolf on 16 November 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]

    In light of Max Wolf's propensity around the time of discovery to name asteroids after operatic heroines, it is likely that the asteroid is named after Senta, the heroine of Richard Wagner's opera The Flying Dutchman .[ citation needed ]

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    References

    1. 1 2 Yeomans, Donald K., "550 Senta", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory , retrieved 5 May 2016.
    2. 1 2 di Martino, M.; et al. (February 1994), "Lightcurves and rotational periods of nine main belt asteroids", Icarus, 107 (2): 269–275, Bibcode:1994Icar..107..269D, doi:10.1006/icar.1994.1022.