451 Patientia
Patientia (minor planet designation: 451 Patientia) is the 15th-largest asteroid in the asteroid belt with a diameter of 225 km. It was discovered by French astronomer Auguste Charlois on December 4, 1899, and assigned a provisional designation 1899 EY.
| Discovery | |
|---|---|
| Discovered by | Auguste Charlois |
| Discovery date | 4 December 1899 |
| Designations | |
| (451) Patientia | |
| Pronunciation | /peɪʃiˈɛnʃə/ or /pætiˈɛnʃə/[1] |
Named after | patience |
| 1899 EY | |
| Asteroid belt | |
| Adjectives | Patientian |
| Orbital characteristics[2] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 116.36 yr (42499 d) |
| Aphelion | 3.2929 AU (492.61 Gm) (Q) |
| Perihelion | 2.8304 AU (423.42 Gm) (q) |
| 3.0616 AU (458.01 Gm) (a) | |
| Eccentricity | 0.075545 (e) |
| 5.36 yr (1956.7 d) | |
| 279.30° (M) | |
| 0° 11m 2.328s / day (n) | |
| Inclination | 15.236° (i) |
| 89.252° (Ω) | |
| 337.06° (ω) | |
| Physical characteristics | |
| Dimensions | 253.9±2.8 km[2](2020) 234.42 ± 10.17 km[3] |
| Mass | (1.09 ± 0.53) × 1019 kg[3] |
Mean density | 1.60 ± 0.80 g/cm3[3] |
| 9.727 h (0.4053 d)[2] | |
| 0.0764±0.003[2] | |
| 6.65[2] | |
It regularly reaches 11th magnitude in brightness, as on January 11, 2013, and December 12, 2017, when in favorable oppositions will be at magnitudes 10.7 and 10.4 respectively, very bright for a later-discovered minor planet.
Multiple photometric studies of this asteroid were performed between 1969 and 2003. The combined data gave an irregular light curve with a synodic period of 9.730 ± 0.004 hours and a brightness variation of 0.05–0.10 in magnitude.[4]
References
- Compare "impatiens, sapiential". Oxford English Dictionary (3rd ed.). Oxford University Press. September 2005. (Subscription or UK public library membership required.)
- Yeomans, Donald K., "451 Patientia", JPL Small-Body Database Browser, NASA Jet Propulsion Laboratory, retrieved 10 May 2016.
- Carry, B. (December 2012), "Density of asteroids", Planetary and Space Science, 73, pp. 98–118, arXiv:1203.4336, Bibcode:2012P&SS...73...98C, doi:10.1016/j.pss.2012.03.009. See Table 1.
- Michałowski, T.; et al. (April 2005), "Photometry and models of selected main belt asteroids. II. 173 Ino, 376 Geometria, and 451 Patientia", Astronomy and Astrophysics, 443 (1), pp. 329–335, Bibcode:2005A&A...443..329M, doi:10.1051/0004-6361:20053656.
External links
- 451 Patientia at AstDyS-2, Asteroids—Dynamic Site
- 451 Patientia at the JPL Small-Body Database
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