A-type asteroid
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A-type asteroids are relatively uncommon inner-belt asteroids that have a strong, broad 1 μm olivine feature and a very reddish spectrum shortwards of 0.7 μm. They are thought to come from the completely differentiated mantle of an asteroid, and appear to have a high density. One survey found that 7 similar A-, V- and X-type asteroids had an average density of Template:Val.[1]
List
A-type asteroids are so rare that as of August 2024, only 17 had been discovered:[2]
| Designation | Class | Diam. | Refs |
|---|---|---|---|
| 246 Asporina | main-beltScript error: No such module "Check for unknown parameters". | 50.891 kmScript error: No such module "Check for unknown parameters". | Template:MPCTemplate:·JPLScript error: No such module "Check for unknown parameters". |
| 289 Nenetta | main-beltScript error: No such module "Check for unknown parameters". | 37.586 kmScript error: No such module "Check for unknown parameters". | Template:MPCTemplate:·JPLScript error: No such module "Check for unknown parameters". |
| 446 Aeternitas | main-beltScript error: No such module "Check for unknown parameters". | 53.562 kmScript error: No such module "Check for unknown parameters". | Template:MPCTemplate:·JPLScript error: No such module "Check for unknown parameters". |
| 863 Benkoela | main-beltScript error: No such module "Check for unknown parameters". | 38.724 kmScript error: No such module "Check for unknown parameters". | Template:MPCTemplate:·JPLScript error: No such module "Check for unknown parameters". |
| 1126 Otero | main-beltScript error: No such module "Check for unknown parameters". | 10.974 kmScript error: No such module "Check for unknown parameters". | Template:MPCTemplate:·JPLScript error: No such module "Check for unknown parameters". |
| 1600 Vyssotsky | main-beltScript error: No such module "Check for unknown parameters". | 7.413 kmScript error: No such module "Check for unknown parameters". | Template:MPCTemplate:·JPLScript error: No such module "Check for unknown parameters". |
| 1951 Lick | Mars-crossingScript error: No such module "Check for unknown parameters". | 5.57 kmScript error: No such module "Check for unknown parameters". | Template:MPCTemplate:·JPLScript error: No such module "Check for unknown parameters". |
| 2234 Schmadel | main-beltScript error: No such module "Check for unknown parameters". | 9.473 kmScript error: No such module "Check for unknown parameters". | Template:MPCTemplate:·JPLScript error: No such module "Check for unknown parameters". |
| 2423 Ibarruri | Mars-crossingScript error: No such module "Check for unknown parameters". | 4.899 kmScript error: No such module "Check for unknown parameters". | Template:MPCTemplate:·JPLScript error: No such module "Check for unknown parameters". |
| 2501 Lohja | main-beltScript error: No such module "Check for unknown parameters". | 10.218 kmScript error: No such module "Check for unknown parameters". | Template:MPCTemplate:·JPLScript error: No such module "Check for unknown parameters". |
| 2715 Mielikki | main-beltScript error: No such module "Check for unknown parameters". | 13.252 kmScript error: No such module "Check for unknown parameters". | Template:MPCTemplate:·JPLScript error: No such module "Check for unknown parameters". |
| 2732 Witt | main-beltScript error: No such module "Check for unknown parameters". | 11.001 kmScript error: No such module "Check for unknown parameters". | Template:MPCTemplate:·JPLScript error: No such module "Check for unknown parameters". |
| 3352 McAuliffe | AmorScript error: No such module "Check for unknown parameters". | 2.1 kmScript error: No such module "Check for unknown parameters". | Template:MPCTemplate:·JPLScript error: No such module "Check for unknown parameters". |
| 4142 Dersu-Uzala | Mars-crossingScript error: No such module "Check for unknown parameters". | 7.1 kmScript error: No such module "Check for unknown parameters". | Template:MPCTemplate:·JPLScript error: No such module "Check for unknown parameters". |
| 4713 Steel | main-beltScript error: No such module "Check for unknown parameters". | 6.286 kmScript error: No such module "Check for unknown parameters". | Template:MPCTemplate:·JPLScript error: No such module "Check for unknown parameters". |
| 4982 Bartini | main-beltScript error: No such module "Check for unknown parameters". | 7.975 kmScript error: No such module "Check for unknown parameters". | Template:MPCTemplate:·JPLScript error: No such module "Check for unknown parameters". |
| 5641 McCleese | Mars-crossingScript error: No such module "Check for unknown parameters". | 5.68 kmScript error: No such module "Check for unknown parameters". | Template:MPCTemplate:·JPLScript error: No such module "Check for unknown parameters". |
| Diameter: averaged estimates only; may change over time | |||
See also
References
External links
- Mineralogic and Temperature-Induced Spectral Investigations of A-type Asteroids: (246) Asporina and (446) Aeternitas, V. Reddy, Lunar and Planetary Science XXXVI (2005)
Template:Asteroids Script error: No such module "Navbox".