21561 Masterman
| Discovery | |
|---|---|
| Discovered by | Lincoln Laboratory Near-Earth Asteroid Research Team |
| Discovery site | Socorro |
| Discovery date | 28 August 1998 |
| Designations | |
| MPC designation | 21561 |
| 1998 QR93 | |
| Orbital characteristics[1] | |
| Epoch 13 January 2016 (JD 2457400.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 22302 days (61.06 yr) |
| Aphelion | 3.1302623 AU (468.28057 Gm) |
| Perihelion | 2.2349703 AU (334.34680 Gm) |
| 2.682616 AU (401.3136 Gm) | |
| Eccentricity | 0.1668692 |
| 4.39 yr (1604.9 d) | |
| 341.1409° | |
| 0° 13m 27.549s / day | |
| Inclination | 13.96064° |
| 57.85974° | |
| 333.53242° | |
| Earth MOID | 1.24925 AU (186.885 Gm) |
| Jupiter MOID | 2.3082 AU (345.30 Gm) |
| Jupiter Tisserand parameter | 3.314 |
| Physical characteristics | |
| 13.0 | |
|
| |
21561 Masterman (1998 QR93) is a main-belt asteroid discovered on August 28, 1998 by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro.
It was named for Mary Masterman, a 2006 finalist of the Intel International Science and Engineering Fair. She also won the $100,000 first prize at the 2007 Intel Science Talent Search. In 2005, she attended the Summer Science Program, which teaches astronomy, calculus, and physics through observations of an asteroid and calculation of its orbit.[2]
References
- ↑ "21561 Masterman (1998 QR93)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 12 April 2016.
- ↑ "The Universal Times" (pdf). Summer Science Program. October 2010. Retrieved November 29, 2010.
External links
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