_Princetonia.png) Shape of Princetonia from modeled lightcurve | |
| Discovery | |
|---|---|
| Discovered by | Raymond Smith Dugan |
| Discovery site | Heidelberg Observatory |
| Discovery date | 20 April 1903 |
| Designations | |
| MPC designation | (508) Princetonia |
| Pronunciation | /prɪnˈstoʊniə/ |
| Alternative designations | 1903 LQ |
| Orbital characteristics | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 107.99 yr (39445 d) |
| Aphelion | 3.1869 AU (476.75 Gm) |
| Perihelion | 3.1353 AU (469.03 Gm) |
| Semi-major axis | 3.1611 AU (472.89 Gm) |
| Eccentricity | 0.0081585 |
| Orbital period (sidereal) | 5.62 yr (2052.8 d) |
| Mean anomaly | 25.2307° |
| Mean motion | 0° 10 31.332 / day |
| Inclination | 13.337° |
| Longitude of ascending node | 44.223° |
| Argument of perihelion | 195.015° |
| Physical characteristics | |
| Mean radius | 71.175±1.3 km 69.845 ± 1.7 km |
| Mass | (2.99 ± 0.65) × 10 kg |
| Mean density | 2.09 ± 0.47 g/cm |
| Synodic rotation period | 52.8 h (2.20 d) |
| Geometric albedo | 0.0441±0.002 |
| Absolute magnitude (H) | 8.4 |
508 Princetonia is a large asteroid, a type of minor planet, orbiting in the asteroid belt. It was discovered by Raymond Smith Dugan at Heidelberg, Germany in 1903 and named "Princetonia" for Princeton University in New Jersey in the United States.
Dugan found it during his time at Königstuhl Observatory with Max Wolf in Heidelberg, Germany. At the time he was working on his PhD from Heidelberg University. The asteroid is located in the outer areas of the main asteroid belt and is about 140 km (87 mi) in diameter according to data from IRAS, an infrared space observatory in the 1980s.
See also
References
- "Princetonian". Oxford English Dictionary (Online ed.). Oxford University Press. (Subscription or participating institution membership required.)
- ^ "508 Princetonia (1903 LQ)". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 8 May 2016.
- ^ Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science, 73 (1): 98–118, arXiv:1203.4336, Bibcode:2012P&SS...73...98C, doi:10.1016/j.pss.2012.03.009, S2CID 119226456. See Table 1.
- "MPC.: Minor Planet Circulars - Issues 27147-27580". 1996: 325.
{{cite journal}}: Cite journal requires|journal=(help) - Asteroid Data Archive, Archive Planetary Science Institute
Further reading
- Popular Astronomy. Vol. 12. Goodsell Observatory of Carleton College. 1904. p. 58.
External links
- 508 Princetonia at AstDyS-2, Asteroids—Dynamic Site
- 508 Princetonia at the JPL Small-Body Database
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