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114 Kassandra
Main-belt asteroid
Main-belt asteroid
| Field | Value |
|---|---|
| minorplanet | yes |
| background | #D6D6D6 |
| name | 114 Kassandra |
| discoverer | Christian Heinrich Friedrich Peters |
| discovered | 23 July 1871 |
| mpc_name | (114) Kassandra |
| image | 000114-asteroid shape model (114) Kassandra.png |
| caption | 3D convex shape model of 114 Kassandra |
| alt_names | A871 OA |
| pronounced | |
| named_after | Cassandra |
| mp_category | Main belt |
| epoch | 31 July 2016 (JD 2457600.5) |
| orbit_ref | |
| semimajor | 2.67825 AU |
| perihelion | 2.31581 AU |
| aphelion | 3.0407 AU |
| eccentricity | 0.13533 |
| period | 4.38 yr (1600.9 d) |
| inclination | 4.9367° |
| asc_node | 164.222° |
| arg_peri | 352.208° |
| mean_anomaly | 197.019° |
| avg_speed | 18.12 km/s |
| mean_diameter | |
| 99.798 km | |
| mass | (1.335 ± 0.597/0.264) kg |
| density | 3.051 ± 1.365/0.603 g/cm3 |
| surface_grav | m/s² |
| escape_velocity | km/s |
| rotation | 10.7431 h |
| 10.758 h | |
| spectral_type | T (Tholen) |
| abs_magnitude | 8.51, 8.275 |
| albedo | |
| 0.0868 ± 0.0252 | |
| single_temperature | ~170 K |
| mean_motion | / day |
| observation_arc | 113.62 yr (41501 d) |
| uncertainty | 0 |
| moid | 1.3244 AU |
| jupiter_moid | 1.94976 AU |
| tisserand | 3.359 |
99.798 km
10.758 h 0.0868 ± 0.0252
114 Kassandra is a large and dark main-belt asteroid. It belongs to the rare class T. It was discovered by C. H. F. Peters on July 23, 1871, and is named after Cassandra, the prophetess in the tales of the Trojan War.
This object is classified as a rare T-type asteroid, with parts of the spectrum displaying properties similar to the mineral troilite and to carbonaceous chondrite. The shape of the spectrum also appears similar to fine grain from the Ornans meteorite, which landed in France in 1868. The light curve for this asteroid displays a period of 10.758 ± 0.004 hours with a brightness variation of 0.25 ± 0.01 in magnitude.
In 2001, 114 Kassandra was observed by radar from the Arecibo Observatory. The return signal matched an effective diameter of 100 ± 14 km. This is consistent with the asteroid dimensions computed through other means.
In popular media
The 2009 miniseries Meteor featured 114 Kassandra being sent on a collision course with Earth due to a comet impact and the effort by scientists to stop it.
References
References
- 'Cassandra' in Noah Webster (1884) ''A Practical Dictionary of the English Language''
This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.
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