2000 CF105
compiled by Wm. Robert Johnston
last updated 4 March 2007
Orbital elements and other data (Assumed or derived values in parenthesis, my estimates in italics and parenthesis. Source identifications in brackets, see this link for sources):
orbital data, primary (osculating elements) [JPL]:
|
semimajor axis a: |
43.819 AU
| |
orbital period P: |
290.07 y (=105,947 d)
| |
eccentricity e: |
0.03535
| |
perihelion distance q: |
42.270 AU
| |
aphelion distance Q: |
45.368 AU
| |
inclination i: |
0.527°
| |
argument of perihelion omega: |
57.083°
| |
ascending node OMEGA: |
56.654°
| |
mean anomaly M: |
15.540°
| |
perihelion passage TP: |
1994-10-01.6
| |
Epoch: |
10 APR 2007
| |
data arc: |
2000-2003 (23 obs.)
|
orbital data, secondary:
|
semimajor axis a: |
(23,000 km separation) [A3a]
| |
semimajor axis/primary radius a/Rp: |
(270?)
| |
orbital period P: |
(500 d?)
| |
eccentricity e: |
?
| |
other data, primary:
|
diameter: |
170 km [N02a]
| |
absolute magnitude H: |
6.82±1.23 [JPL]
| |
rotation period: |
?
| |
amplitude delta M: |
?
| |
color index B-V: |
?
| |
color index V-R: |
?
| |
color index B-R: |
1.74 [T03b]
(1.70±0.07 or 1.79±0.09) [T03b]
| |
color index R-I: |
?
| |
color index V-I: |
1.26 ± 0.11 [I7857]
| |
slope parameter G: |
(0.15) assumed
| |
geometric albedo: |
(0.04) assumed
| |
mass (system): |
3.5x1018 kg [N02a]
| |
density: |
(1 g/cm3) [a]
| |
type: |
?
|
other data, secondary:
|
diameter: |
120 km [N02a]
| |
diameter ratio Ds/Dp: |
(0.714 ± 0.018) [M05b]
| |
component magnitude difference: |
0.73 [M05b]
| |
color index B-V: |
1.76 [T03b]
(1.85±0.15 or 1.67±0.15) [T03b]
| |
color index V-I: |
1.57 ± 0.24 [I7857]
| |
rotation period: |
?
|
|
--2000 CF105--discovery and notes:
Primary discovered 5 February 2000 from Kitt Peak, Arizona, USA by the Lowell Deep Ecliptic Survey.
Companion discovered 12 January 2002 by K. Noll, D. Stephens, W. Grundy, J. Spencer, R. Millis, M. Buie, D. Cruikshank, S. Tegler, and W. Romanishin from Hubble Space Telescope images; announced 22 March 2002.
See more information and links at
Asteroid/Comet Connection Catchall Catalog page
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Romanishin, W., Tegler, S. C., & Noll, K. 2003, AAS/Division for Planetary
Sciences Meeting Abstracts The Transneptunian Binary 2000 CF105
- Noll, Keith S., Stephens, Denise C., Grundy, Will M., Millis, Robert L., Spencer, John, Buie, Marc W., Tegler, Stephen C., Romanishin, William, & Cruikshank, Dale P. 2002, Astronomical Journal Detection of Two Binary Trans-Neptunian Objects, 1997 CQ29 and 2000 CF105, with the Hubble Space Telescope
- Noll, K., Stephens, D., Grundy, W., Millis, R., Buie, M., Spencer, J., Tegler, S., Romanishin, W., & Cruikshank, D. 2002, AAS/Division for Planetary Sciences Meeting Discovery of Trans-Neptunian Binaries with the Hubble Space Telescope
- Millis, R. L., Buie, M. W., Wasserman, L. H., Elliot, J. L., Kern, S. D., Clancy, K., Wagner, R. M., Chiang, E. I., Jordan, A., Trilling, D. E., & Meech, K. J. 2002, AAS/Division for Planetary Sciences Meeting The Deep Ecliptic Survey - A Status Report
- Parker, J. W. & Marsden, B. G. 2000, Minor Planet Circulars 2000 CF105
- Millis, R. L., Buie, M. W., Wagner, R. M., Elliot, J. L., Harmer, D., Willmarth, D. W., Smith, P., Saha, A., Kern, S. D., Wasserman, L. H., & Marsden, B. G. 2000, Minor Planet Circulars NINE TNOs
© 2001-2006, 2007 by Wm. Robert Johnston.
Last modified 4 March 2007.
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