Astronomy:711 Marmulla
| Discovery | |
|---|---|
| Discovered by | J. Palisa |
| Discovery site | Vienna Obs. |
| Discovery date | 1 March 1911 |
| Designations | |
| (711) Marmulla | |
| Pronunciation | /mɑːrˈmʌlə/ |
| 1911 LN; 1927 AB | |
| Orbital characteristics[1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 102.99 yr (37,618 d) |
| |{{{apsis}}}|helion}} | 2.6745 astronomical unit|AU (400.10 Gm) |
| |{{{apsis}}}|helion}} | 1.8003 AU (269.32 Gm) |
| 2.2374 AU (334.71 Gm) | |
| Eccentricity | 0.19535 |
| Orbital period | 3.35 yr (1,222.4 d) |
| Mean anomaly | 65.0629° |
| Mean motion | 0° 17m 40.2s / day |
| Inclination | 6.0917° |
| Longitude of ascending node | 357.091° |
| 300.339° | |
| Earth MOID | 0.793851 AU (118.7584 Gm) |
| Jupiter MOID | 2.55306 AU (381.932 Gm) |
| TJupiter | 3.605 |
| Physical characteristics | |
| Rotation period | 2.88 ± 0.12 h (0.120 ± 0.00500 d)[2] |
| Absolute magnitude (H) | 11.7 |
711 Marmulla is an asteroid belonging to the Flora family in the Main Belt.[2] It was discovered 1 March 1911 by Austrian astronomer Johann Palisa. The asteroid name may be derived from the Old High German word 'marmul', which means 'marble'.[3] This asteroid is orbiting 2.24 astronomical unit|AU from the Sun with a period of 3.35 yr and an eccentricity (ovalness) of 0.195. The orbital plane of 711 Marmulla is inclined at an angle of 6.1° to the plane of the ecliptic.[1]
Photometric observations of this asteroid in 2019 resulted in a light curve showing a rotation period of 2.721±0.003 h with a brightness variation of 0.06 in magnitude. This result is consistent with a similar study earlier in the year.[4] A. Kryszczynska and associates had found a slightly longer rotation period of 2.88 hours in 2012.[2] The low amplitude of the variation suggests a nearly spherical shape.[2] The spectrum of 711 Marmulla most closely matches an A-type asteroid.[5]
References
- ↑ 1.0 1.1 "711 Marmulla (1911 LN)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. https://ssd.jpl.nasa.gov/sbdb.cgi?sstr=711.
- ↑ 2.0 2.1 2.2 2.3 Kryszczynska, A. et al. (October 2012). "Do Slivan states exist in the Flora family?. I. Photometric survey of the Flora region". Astronomy & Astrophysics 546: 51. doi:10.1051/0004-6361/201219199. A72. Bibcode: 2012A&A...546A..72K.
- ↑ Schmadel, Lutz D. (2012), Dictionary of Minor Planet Names, Springer Berlin Heidelberg, p. 67, ISBN 9783642297182, https://books.google.com/books?id=aeAg1X7afOoC&pg=PA67.
- ↑ Stephens, Robert D.; Warner, Brian D. (April 2020), "Main-Belt Asteroids Observed from CS3: 2019 October to December", Bulletin of the Minor Planets Section of the Association of Lunar and Planetary Observers 47 (2): 125–133, Bibcode: 2020MPBu...47..125S.
- ↑ Alvarez-Candal, A. et al. (December 2006), "The inner region of the asteroid Main Belt: a spectroscopic and dynamic analysis", Astronomy and Astrophysics 459 (3): 969–976, doi:10.1051/0004-6361:20065518, Bibcode: 2006A&A...459..969A.
External links
- 711 Marmulla at AstDyS-2, Asteroids—Dynamic Site
- 711 Marmulla at the JPL Small-Body Database
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