Table 1
Centaur orbital and physical data.
| Herschel Centaurs | |||||||||
|
|
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| Name | a | q | e | i | Rot. | LC | Tax. | Spec. slope | Ices |
| Period [h] | Ampl. | %/1000 Å | |||||||
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| (95626) 2002 GZ32 | 22.99 | 18.00 | 0.217 | 15.030 | 5.80 | 0.08 | BR | 16.9 ± 0.1 | Water? (Wise) |
| (250112) 2002 KY14 | 12.62 | 8.63 | 0.316 | 19.456 | 3.56 | 0.13 | RR | 33.2 ± 0.7 | Water? maybe (Wise) |
| (120061) 2003 CO1 | 20.68 | 10.91 | 0.472 | 19.763 | 10 | 0.07–0.10 | BR | 9.4 ± 0.6 | Water? maybe (Wise) |
| (136204) 2003 WL7 | 20.27 | 14.95 | 0.262 | 11.163 | 8.24 | 0.05 | BB | ... | (Wise) |
| 2005 RO43 | 29.00 | 13. 93 | 0.520 | 35.415 | ... | ... | ... | ... | |
| (145486) 2005 UJ438 | 17.70 | 8.26 | 0.533 | 3.783 | 8.32 | 0.13 | RR, IR | ... | (Wise) |
| (248835) 2006 SX368 | 22.25 | 11.96 | 0.462 | 36.287 | ... | ... | BR | ... | (Wise) |
| (281371) 2008 FC76 | 14.79 | 10.18 | 0.312 | 27.105 | ... | ... | RR | 32.8 ± 0.7 | no Water (Wise) |
| (55576) Amycus | 24.95 | 15.18 | 0.392 | 12.345 | 9.76 | 0.16 | RR | 33.5 ± 0.1 | Water (Wise) |
| (8405) Asbolus | 18.10 | 6.88 | 0.620 | 17.610 | 8.935 | 0.32–0.55 | BR | 12.7 ± 0.4 | no ice |
| (54598) Bienor | 16.56 | 13.24 | 0.201 | 20.731 | 9.14 | 0.34–0.75 | BR | 8.8 ± 0.2 | Water (Wise) |
| (10199) Chariklo | 15.74 | 13.06 | 0.170 | 23.400 | ... | <0.1 | BR | 7.8 ± 0.1 | Water (Wise) |
| (2060) Chiron | 13.67 | 8.49 | 0.379 | 6.927 | 5.918 | 0.04– 0.09 | BB | − 0.5 ± 0.2 | Water (Wise) |
| (60558) Echeclus | 10.71 | 5.82 | 0.457 | 4.342 | 26.802 | ... | BR | 10.4 ± 0.6 | any (Wise) |
| (10370) Hylonome | 24.96 | 18.85 | 0.245 | 4.150 | ... | <0.04 | BR | 9.6 ± 1.1 | |
| (52872) Okyrhoe | 8.34 | 5.79 | 0.306 | 15.660 | 9.72 | 0.07–04 | BR | 11.3 ± 0.2 | Water, maybe (Wise) |
| (5145) Pholus | 20.28 | 8.65 | 0.573 | 24.705 | 9.98 | 0.15–0.60 | RR | 47.8 ± 0.7 | Water, Methanol |
| (32532) Thereus | 10.67 | 8.58 | 0.196 | 20.329 | 8.335 | 0.18–0.38 | BR | 10.5 ± 0.2 | Water. (Wise) |
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| Spitzer un-published Centaurs | |||||||||
| (119315) 2001 SQ73 | 17.52 | 14.47 | 0.174 | 17.4 | ... | ... | ... | 8.875 ± 1.301 | |
| (119976) 2002 VR130 | 24.11 | 14.75 | 0.388 | 3.5 | ... | ... | ... | ... | |
| 2004 QQ26 | 22.88 | 19.50 | 0.148 | 21.5 | ... | ... | ... | ... | |
| 2000 GM137 | 7.90 | 6.97 | 0.118 | 15.8 | ... | ... | ... | ... | |
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| Spitzer re-analyzed targets | |||||||||
| 29P | 6.00 | 50.73 | 0.042 | 9.37 | 288 ± 24 | ... | ... | 14.94 ± 1.09 | (Wise) |
| (7066) Nessus | 24.48 | 11.80 | 0.518 | 15.6 | ... | ... | ... | 39.7 ± 3.4 | |
| (31824) Elatus | 11.80 | 7.29 | 0.382 | 5.2 | 13.41 ± 0.04 | 0.102 ± 0.005 | RR | 27.34 ± 1.86 | Water. (Wise) |
| (52975) Cyllarus | 26.30 | 16.34 | 0.379 | 12.6 | ... | ... | ... | 32.28 ± 3.65 | |
| (83982) Crantor | 19.35 | 14.03 | 0.275 | 12.8 | ... | ... | RR | 39.22 ± 1.99 | Water |
| (63252) 2001 BL41 | 9.72 | 6.83 | 0.297 | 12.5 | ... | ... | BR | 13.8 ± 2.42 | None? |
Notes. All orbital parameters are from the Minor Planet Center (MPC). The table lists the semi-major axis, the eccentricity, and the inclination of each Centaur as well as the rotational period in hours (errors are presented when available in literature) and light-curve amplitude in magnitudes. The last 3 columns are the taxonomic classification, the visible spectral slope and information on the surface composition (see the description of each Centaur in the text for references). Also in last column there is an indication if the object overlaps with the WISE sample, indicated with (Wise). This table also presents the data for Chiron and Chariklo published in Fornasier et al. (2013).
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