Discovery | |
---|---|
Discovered by | August Kopff |
Discovery site | Heidelberg |
Discovery date | 11 September 1907 |
Designations | |
MPC designation | (648) Pippa |
Alternative designations | 1907 AE |
Orbital characteristics | |
Epoch 31 July 2016 (JD 2457600.5) | |
Uncertainty parameter 0 | |
Observation arc | 108.44 yr (39606 d) |
Aphelion | 3.8302 AU (572.99 Gm) |
Perihelion | 2.5847 AU (386.67 Gm) |
Semi-major axis | 3.2075 AU (479.84 Gm) |
Eccentricity | 0.19416 |
Orbital period (sidereal) | 5.74 yr (2098.2 d) |
Mean anomaly | 327.76° |
Mean motion | 0° 10 17.688 / day |
Inclination | 9.8005° |
Longitude of ascending node | 291.226° |
Argument of perihelion | 178.170° |
Physical characteristics | |
Mean radius | 34.135±0.8 km |
Synodic rotation period | 9.263 h (0.3860 d) |
Geometric albedo | 0.0509±0.002 |
Absolute magnitude (H) | 9.68 |
648 Pippa is a minor planet orbiting the Sun. Photometric measurements made from the Oakley Southern Sky Observatory during 2012 gave a light curve with a period of 9.263 ± 0.001 hours and a variation in brightness of 0.31 ± 0.03 in magnitude. This is inconsistent with a period estimate of 5.2 ± 0.3 made in 2004. It was named after Pippa, the title character in Gerhardt Hauptmann's novel Und Pippa tanzt.
References
- "648 Pippa (1907 AE)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 5 May 2016.
- Moravec, Patricia; Cochren, Joseph; Gerhardt, Michael; et al. (October 2012), "Asteroid Lightcurve Analysis at the Oakley Southern Sky Observatory: 2012 January-April", The Minor Planet Bulletin, 39 (4): 213–216, Bibcode:2012MPBu...39..213M.
External links
- 648 Pippa at AstDyS-2, Asteroids—Dynamic Site
- 648 Pippa at the JPL Small-Body Database
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