2003 TJ58
compiled by Wm. Robert Johnston
last updated 28 December 2008
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: |
44.2236915 AU
| |
orbital period P: |
294.10 y (=107,419.1 d)
| |
eccentricity e: |
0.0829253
| |
perihelion distance q: |
40.5564286 AU
| |
aphelion distance Q: |
47.8909544 AU
| |
inclination i: |
0.95492°
| |
argument of perihelion omega: |
11.22005°
| |
ascending node OMEGA: |
37.21556°
| |
mean anomaly M: |
23.89282°
| |
perihelion passage TP: |
1987-10-02.7
| |
Epoch: |
2007
| |
data arc: |
2003-2006 (13 obs.)
|
orbital data, secondary:
|
semimajor axis a: |
3,768 ± 85 km [G09a]
| |
semimajor axis/primary radius a/Rp: |
(116)
| |
orbital period P: |
137.32 ± 0.19 d [G09a]
| |
eccentricity e: |
0.529 ± 0.011 [G09a]
| |
inclination i: |
38.1° ± 2.1° [G09a]
96.1° ± 2.0° [G09a]
| |
other data, primary:
|
diameter: |
(65 km ± 15 km) [G09a]
| |
absolute magnitude H: |
7.448 ± 0.024 [G09a]
| |
rotation period: |
?
| |
amplitude delta M: |
?
| |
color index B-V: |
?
| |
color index V-R: |
?
| |
color index R-I: |
?
| |
slope parameter G: |
(0.15) assumed
| |
geometric albedo: |
0.28 ± 0.12 [G09a]
| |
mass: |
(2.25 ± 0.15) x1017 kg [G09a]
| |
density: |
?
| |
type: |
?
|
other data, secondary:
|
diameter: |
(51 km ± 13 km)
| |
diameter ratio Ds/Dp: |
(0.79 ± 0.01)
| |
component magnitude difference: |
0.519 ± 0.031 [G09a]
| |
rotation period: |
?
|
|
--2003 TJ58--discovery and notes:
Primary discovered 3 October 2003 from Mauna Kea Observatory, Hawaii, United States.
Companion reported March 2007.
--Links, more technical:
--Links, less technical:
--Links to ADS abstracts:
- Noll, Keith S., Grundy, William M., Chiang, Eugene I., Margot, Jean-Luc, & Kern, Susan D. 2007, ArXiv Astrophysics e-prints Binaries in the Kuiper Belt
© 2007, 2008 by Wm. Robert Johnston.
Last modified 28 December 2008.
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