334 Chicago
Discovery | |
---|---|
Discovered by | Max Wolf |
Discovery date | 23 August 1892 |
Designations | |
MPC designation | (334) Chicago |
Named after | Chicago |
1892 L | |
Minor planet category | 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] |
Synodic rotation period | 7.361 h (0.3067 d) |
0.041±0.013 | |
C | |
Absolute magnitude (H) | 7.7 |
Chicago (minor planet designation: 334 Chicago) is a very large main-belt asteroid. It is classified as a C-type asteroid and is probably composed of carbonaceous material.
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]
References[]
- ^ 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, vol. 73, pp. 98–118, arXiv:1203.4336, Bibcode:2012P&SS...73...98C, doi:10.1016/j.pss.2012.03.009. 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.
External links[]
- 334 Chicago at AstDyS-2, Asteroids—Dynamic Site
- 334 Chicago at the JPL Small-Body Database
Categories:
- Minor planet object articles (numbered)
- Hilda asteroids
- Discoveries by Max Wolf
- Minor planets named for places
- Named minor planets
- C-type asteroids (Tholen)
- Astronomical objects discovered in 1892
- C-type main-belt-asteroid stubs