(47171) 1999 TC36 and S/2001 (47171) 1
compiled by Wm. Robert Johnston
last updated 4 March 2006
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: |
39.2280453217444 AU
| |
orbital period P: |
245.6989 y (=89743 d)
| |
eccentricity e: |
0.221336017210763
| |
perihelion distance q: |
30.5454660072662 AU
| |
aphelion distance Q: |
47.91062464 AU
| |
inclination i: |
8.41541631958719°
| |
argument of perihelion omega: |
295.351141968415°
| |
ascending node OMEGA: |
97.1231020762021°
| |
mean anomaly M: |
344.706976754838°
| |
perihelion passage TP: |
2015-07-09.2754936
| |
Epoch: |
30 JAN 2005
| |
data arc: |
1999-2003 (85 obs.)
| orbital data, secondary:
|
semimajor axis a: |
7,640 ± 460 km [M04b]
7,720 km [S06a]
| |
semimajor axis/primary radius a/Rp: |
(40)
| |
orbital period P: |
50.38 ± 0.5 d [M04b]
| |
eccentricity e: |
?
| |
other data, primary:
|
diameter: |
379 (± 61/51) km [S06a]
| |
absolute magnitude H: |
4.73 [JPL]
| |
rotation period: |
>8 h? [P02b]
6.21 h? [O03b]
| |
amplitude delta M: |
<0.07 [L06a]
0.06? [O03b]
| |
color index B-V: |
1.01 ± 0.04 [B05c]
| |
color index V-R: |
0.69 ± 0.03 [B05c]
| |
color index R-I: |
0.63 ± 0.05 [B05c]
| |
color index V-J: |
2.32 ± 0.07 [M03a]
| |
color index V-H: |
2.74 ± 0.03 [B05c]
| |
slope parameter G: |
(0.15) [a]
| |
geometric albedo: |
0.079 ±0.031/0.024 [S06a]
| |
mass (system): |
(1.39 ± 0.25)x1019 kg [M04b]
(1.44 ± 0.22)x1019 kg [S06a]
| |
density: |
0.5 ± 0.3/0.2 g/cm3 [S06a]
| |
type: |
P [M03a]
| |
BBFB type: |
RR [B05c]
|
other data, secondary:
|
diameter: |
142 (± 23/19) km [S06a]
| |
diameter ratio Ds/Dp: |
(0.374 ± 0.004) [M05b]
| |
component magnitude difference: |
(2.14) [M05b]
| |
rotation period: |
?
|
|
--(47171) 1999 TC36--discovery and notes:
Primary discovered 1 October 1999 by E. P. Rubenstein and L.-G. Strolger from Kitt Peak, Arizona, USA.
Companion discovered from 8 December 2001 observations by C. A. Trujillo and M. E. Brown using the Hubble Space Telescope; announced 10 January 2002.
See more information and links at
Asteroid/Comet Connection Catchall Catalog page
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Barucci, M. A., Merlin, F., & Dotto, E. 2004, AAS/Division for Planetary Sciences Meeting Abstracts Heterogeneity/homogeneity on the TNO and Centaur surfaces
- Margot, J. L., Brown, M. E., Trujillo, C. A., & Sari, R. 2004, AAS/Division for Planetary Sciences Meeting Abstracts HST observations of Kuiper Belt binaries
- Boehnhardt, Hermann, Barucci, Antonella, Delsanti, Audrey, De Bergh,
Catherine, Doressoundiram, Alain, Romon, Jennifer, Dotto, Elisabetta,
Tozzi, Gianpaolo, Lazzarin, Monica, Fornasier, Sonia, Peixinho, Nuno,
Hainaut, Olivier, Davies, John, Rousselot, Philippe, Barrera, Luis, Birkle,
Kurt, Meech, Karen, Ortiz, JoseLuis, Sekiguchi, Tomohiko, Watanabe,
Jun-ichi, Thomas, Nick, & West, Richard 2003, Earth Moon and Planets
Results from the Eso Large Program on Transneptunian Objects and Centaurs
- Altenhoff, W. J., Bertoldi, F., & Menten, K. M. 2004, Astronomy and Astrophysics Size estimates of some optically bright KBOs
- Dotto, E., Barucci, M. A., Boehnhardt, H., Romon, J., Doressoundiram, A., Peixinho, N., de Bergh, C., & Lazzarin, M. 2003, Icarus Searching for water ice on 47171 1999 TC36, 1998 SG35, and 2000 QC243: ESO large program on
TNOs and centaurs*
- Ortiz, J. L., Gutiérrez, P. J., Casanova, V., & Sota, A. 2003, Astronomy and Astrophysics A study of short term rotational variability in TNOs and Centaurs from Sierra Nevada Observatory
- Licandro, J., Campins, H., de Leon Cruz, J., Gil-Hutton, R., & Lara-Lopez, L. M. 2003, AAS/Division for Planetary Sciences Meeting Near infrared spectroscopy of TNOs, Centaurs and comet nuclei.
- Dotto, E., Barucci, M. A., Boehnhardt, H., Romon, J., Doressoundiram, A., Peixinho, N., de Bergh, C., & Lazzarin, M. 2003, Icarus Searching for water ice on 47171 1999 TC36, 1998 SG35, and 2000 QC243: ESO large program on TNOs and centaurs*
- Peixinho, N., Doressoundiram, A., & Romon-Martin, J. 2002, New Astronomy Visible-IR colors and lightcurve analysis of two bright TNOs: 1999 TC36 and 1998 SN165
- Delsanti, A. C., Boehnhardt, H., Barrera, L., Meech, K. J., Sekiguchi, T., & Hainaut, O. R. 2001, Astronomy and Astrophysics BVRI Photometry of 27 Kuiper Belt Objects with ESO/Very Large Telescope
- Brown, M. E. 2000, American Astronomical Society, DPS meeting #32, #20.08 Near-infrared spectroscopy of Kuiper belt objects
- Griffin, I. P., Brady, N., Greatrex, R., Bredenkamp, T., & Marsden, B. G. 2000, Minor Planet Electronic Circ., 2000-O37 (2000). 1999 TC36
- Luu, J. X., Jewitt, D. C., Trujillo, C. A., Tholen, D., Sheppard, S., Rubenstein, E. P., Smith, C. R., Strolger, L.-G., Hergenrother, C. W., & Marsden, B. G. 1999, Minor Planet Electronic Circ., 1999-Y19 (1999). 1999 RV214
© 2003-2005, 2006 by Wm. Robert Johnston.
Last modified 4 March 2006.
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