334 Chicago is a very large main-belt asteroid. It is classified as a C-type asteroid and is probably composed of carbonaceous material.
| Chicago from its lightcurve | |
| Discovery | |
|---|---|
| Discovered by | Max Wolf |
| Discovery date | 23 August 1892 |
| Designations | |
| (334) Chicago | |
Named after | Chicago |
| 1892 L | |
| Main belt | |
| Adjectives | Chicagoan /ʃɪˈkɑːɡoʊən/ |
| Orbital characteristics[1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 123.39 yr (45069 d) |
| Aphelion | 3.98201 AU (595.700 Gm) |
| Perihelion | 3.80814 AU (569.690 Gm) |
| 3.89507 AU (582.694 Gm) | |
| Eccentricity | 0.022319 |
| 7.69 yr (2807.8 d) | |
| 110.236° | |
| 0° 7m 41.567s / day | |
| Inclination | 4.64130° |
| 130.179° | |
| 148.310° | |
| Physical characteristics | |
| Dimensions | 198.77±5.7 km[1] 167.26 ± 7.27 km[2] |
| Mass | (5.06 ± 5.63) × 1018 kg[2] |
| 7.361 h (0.3067 d) | |
| 0.041±0.013 | |
| C | |
| 7.7 | |
It was discovered by Max Wolf on August 23, 1892, in Heidelberg.
During 1999, the asteroid was observed occulting a star. The resulting chords provided a cross-section diameter estimate of 174.1 km.[3]
- ^ a b “334 Chicago (1892 L)”. JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 11 May 2016.
- ^ a b 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.
- ^ Shevchenko, Vasilij G.; Tedesco, Edward F. (September 2006), “Asteroid albedos deduced from stellar occultations”, Icarus, 184 (1): 211–220, Bibcode:2006Icar..184..211S, doi:10.1016/j.icarus.2006.04.006.
- 334 Chicago at AstDyS-2, Asteroids—Dynamic Site
- 334 Chicago at the JPL Small-Body Database
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