A | B | C | D | E | F | G | H | CH | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
D-type asteroids have a very low albedo and a featureless reddish spectrum.[1] It has been suggested that they have a composition of organic-rich silicates, carbon and anhydrous silicates, possibly with water ice in their interiors.[citation needed] D-type asteroids are found in the outer asteroid belt and beyond; examples are 152 Atala, 944 Hidalgo and most Jupiter trojans. It has been suggested that the Tagish Lake meteorite was a fragment from a D-type asteroid, and that the Martian moon Phobos is closely related.[2]
The Nice model suggests that D-type asteroids may have originated in the Kuiper belt.[3] 46 D-type asteroids are known, including: 3552 Don Quixote, 944 Hidalgo, 624 Hektor, and 10199 Chariklo.[4]
Examples
A list of some of the largest D-type asteroids.[4]
| Name of Asteroid | Classification | Diameter (km) |
Diameter method |
Minor planet category | |
|---|---|---|---|---|---|
| SMASS | Tholen | ||||
| 267 Tirza | D | DU | 52.68 ±3.1 | IRAS | Main-belt asteroid |
| 279 Thule | X | D | 126.59 ±3.7 | IRAS | Outer main-belt asteroid |
| 336 Lacadiera | Xk | D | 69.31 ±2.4 | IRAS | Main-belt asteroid |
| 368 Haidea | – | D | 69.61 ±2.2 | IRAS | Main-belt asteroid |
| 624 Hektor | – | D | 250 ±25 | Direct imaging | Jupiter trojan |
| 721 Tabora | – | D | 76.07 ±2.5 | IRAS | Outer main-belt asteroid |
| 773 Irmintraud | T | D | 95.88 ±1.8 | IRAS | Main-belt asteroid |
| 884 Priamus | – | D | 110 ±10 | Absmag | Jupiter trojan |
| 911 Agamemnon | – | D | 166.66 ±3.9 | IRAS | Jupiter trojan |
| 944 Hidalgo | – | D | 38 ±5 | Absmag | Centaur |
| 1143 Odysseus | – | D | 125.64 ±3.7 | IRAS | Jupiter trojan |
| 1144 Oda | – | D | 57.59 ±2.2 | IRAS | Outer main-belt asteroid |
| 1172 Äneas | – | D | 142.82 ±4.8 | IRAS | Jupiter trojan |
| 1167 Dubiago | – | D | 63.12 ±5.6 | IRAS | Outer main-belt asteroid |
| 1256 Normannia | – | D | 69.22 ±2.8 | IRAS | Outer main-belt asteroid |
| 1269 Rollandia | – | D | 105.19 ±2.8 | IRAS | Outer main-belt asteroid |
| 1578 Kirkwood | – | D | 51.88 ±1.8 | IRAS | Outer main-belt asteroid |
| 1583 Antilochus | – | D | 101.62 ±3.2 | IRAS | Jupiter trojan |
| 1746 Brouwer | – | D | 64.25 ±4.9 | IRAS | Outer main-belt asteroid |
| 1867 Deiphobus | – | D | 122.67 ±3.9 | IRAS | Jupiter trojan |
| 2207 Antenor | – | D | 85.11 ±3.7 | IRAS | Jupiter trojan |
| 2241 Alcathous | – | D | 114.63 ±5.8 | IRAS | Jupiter trojan |
| 2311 El Leoncito | – | D | 53.14 ±3.0 | IRAS | Outer main-belt asteroid |
| 2312 Duboshin | – | D | 54.94 ±3.2 | IRAS | Outer main-belt asteroid |
| 2357 Phereclos | – | D | 94.90 ±4.3 | IRAS | Jupiter trojan |
| 2363 Cebriones | – | D | 81.84 ±5.1 | IRAS | Jupiter trojan |
| 2674 Pandarus | – | D | 98.10 ±3.2 | IRAS | Jupiter trojan |
| 2893 Peiroos | – | D | 87.46 ±6.9 | IRAS | Jupiter trojan |
| 10199 Chariklo | D | – | 302 ±30 | n.a. | Centaur |
See also
References
- ^ Fitzsimmons, A.; et al. (February 1994). "A spectroscopic survey of D-type asteroids". Astronomy and Astrophysics. 282 (2): 634–642. Bibcode:1994A&A...282..634F.
- ^ Space.com via Yahoo News, Jan 19, 2014, "Potato-Shaped Mars Moon Phobos May Be a Captured Asteroid"
- ^ McKinnon, William B. (September 2008). "On The Possibility Of Large KBOs Being Injected Into The Outer Asteroid Belt". American Astronomical Society. 40: 464. Bibcode:2008DPS....40.3803M. Retrieved 15 December 2015.
- ^ a b "JPL Small-Body Database Search Engine: [spec. type = D (Tholen) or spec. type = D (SMASSII)]". JPL Solar System Dynamics. Retrieved 10 August 2016.
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