Table 1
Parameters of the best orbital solutions.
| Orbital element | Orbit coplanar | a = 60 AU | a = 70 AU | a = 80 AU | ||||
| with disk | constraint | constraint | constraint | |||||
|
|
||||||||
| Date of periastron T0 | 2 477 680 |
|
2 463 400 |
|
2 462 334 |
|
2 461 114 |
|
| (Julian) | (July 2071) | (June 2032) | (2029 Jul. 16) | (2026 Mar. 14) | ||||
| Period P (years) | 162 |
|
403 |
|
507 |
|
638 |
|
| Semi-major axis a (mas) | 243 |
|
429 | 500.0 | 571.4 | |||
| Semi-major axis a (AU) | 34 |
|
60 | 70.00 | 80.00 | |||
| Eccentricity e | 0.28 |
|
0.44 |
|
0.510 |
|
0.565 |
|
| Argument of periastron ω (°) | 91 |
|
19 |
|
−165 |
|
−169 |
|
| PA of ascending node Ω (°) | 277 |
|
131 |
|
133 |
|
135 |
|
| Inclination i (°) | 143 |
|
132.5 |
|
131.1 |
|
131.4 |
|
| Angle between orbit and disk | 0.02 | ± 1.9 | 24.9 | ± 1.7 | 26.9 | 28.1 | ||
Notes. The first column is obtained by assuming the disk to be coplanar with the orbit, and therefore by fixing the value of i. The other values were obtained instead by fixing the value of a. The data in Cols. 1 and 2 are from Köhler (2011), in Cols. 3 and 4 from Köhler (priv. comm.).
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