Content-Type: text/html; charset=UTF-8 Double Star Calculator - Orbital Elements

Double Star Calculator - Orbit

- Revision:   $Rev: 1216 $
- Report created:   2025-07-11 18:09:05

Orbital Elements for A682
WDS: A682 WDS ID/Discoverer
P: 380.000 Orbital period (years)
a: 0.389 Semi-major axis (arcseconds)
i: 116.5 Inclination (degrees)
Ω: 143.5 Longitude of ascending node (degrees)
T: 1999.480 Epoch of periastron passage (year)
e: 0.27 Eccentricity
ω: 276.5 Longitude of periastron (degrees)
Start-Year: 1835.0 Year
End-Year: 2215.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for A682
Position: 120412.06+240710.1 Epoch-2000 right ascension and declination
WDS-ID: 12042+2407 WDS designation
Discoverer Code: A682 Discover designation and components
ADS number: 8405 Aitken Double Star catalog
HD number: 104815 HD catalog number
Hipparcos number: 58850 Hipparcos catalog number
V1: 8.82 Magnitude of the primary
V2: 10.76 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2013 Date of last observation
Orbit grade: 5 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for A682
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ValueError		 Python 3.12.3: /usr/bin/python3
Fri Jul 11 18:09:05 2025

A problem occurred in a Python script. Here is the sequence of function calls leading up to the error, in the order they occurred.

 /var/www/cgi-bin/ds_orbit.py in <module>
    891 
    892 # Smooth curve if necessary
=>  893 x_smooth, y_smooth = Q_get_smoothed_orbit(x_list, y_list)
    894 plt.plot(x_smooth, y_smooth, label=f'Orbit of {wds}', color='#528B8B')
    895 
x_smooth undefined, y_smooth undefined, Q_get_smoothed_orbit = <function Q_get_smoothed_orbit>, x_list = [-0.05914045095991876, -0.05570673811666217, -0.052265300850967034, -0.04881659497015767, -0.045361079297524434, -0.04189921578260877, -0.0384314696131049, -0.03495830932843277, -0.031480206935015576, -0.027997638023304655, -0.024511081886585663, -0.02102102164161068, -0.017527944351093647, -0.014032341148109913, -0.010534707362439085, -0.007035542648888001, -0.0035353511176359673, -3.464146664163752e-05, 0.003466072883854319, 0.006966273654689827, ...], y_list = [0.2618894971368485, 0.2648598288944531, 0.2677934332975402, 0.2706897938262595, 0.27354839221557437, 0.27636870838037453, 0.2791502203413851, 0.2818924041518811, 0.2845947338252435, 0.28725668126338477, 0.28987771618608593, 0.29245730606127884, 0.29499491603631867, 0.2974900088702941, 0.2999420448674247, 0.30235048181160457, 0.30471477490214927, 0.30703437669081063, 0.30930873702013195, 0.3115373029632184, ...]
 /var/www/cgi-bin/ds_orbit.py in Q_get_smoothed_orbit(x_list=[-0.05914045095991876, -0.05570673811666217, -0.052265300850967034, -0.04881659497015767, -0.045361079297524434, -0.04189921578260877, -0.0384314696131049, -0.03495830932843277, -0.031480206935015576, -0.027997638023304655, -0.024511081886585663, -0.02102102164161068, -0.017527944351093647, -0.014032341148109913, -0.010534707362439085, -0.007035542648888001, -0.0035353511176359673, -3.464146664163752e-05, 0.003466072883854319, 0.006966273654689827, ...], y_list=[0.2618894971368485, 0.2648598288944531, 0.2677934332975402, 0.2706897938262595, 0.27354839221557437, 0.27636870838037453, 0.2791502203413851, 0.2818924041518811, 0.2845947338252435, 0.28725668126338477, 0.28987771618608593, 0.29245730606127884, 0.29499491603631867, 0.2974900088702941, 0.2999420448674247, 0.30235048181160457, 0.30471477490214927, 0.30703437669081063, 0.30930873702013195, 0.3115373029632184, ...])
    272     # Nur wenn ausreichend Punkte vorhanden sind
    273     if len(x) >= 4:
=>  274         tck, u = splprep([x, y], s=0.0, per=True) # per=True für geschlossene Kurve (Orbit)
    275         u_fine = np.linspace(0, 1, 300)           # Feinere Parameterwerte
    276         return splev(u_fine, tck)
tck undefined, u undefined, splprep = <function splprep>, x = array([-2.53040818e-01, -2.54880530e-01, -2.5668...57e-01, -2.49249478e-01, -2.51163649e-01]), y = array([-0.00277327, -0.00704144, -0.01130856, -0...3, 0.01003118, 0.00576366, 0.00149531]), s undefined, per undefined
 /usr/lib/python3/dist-packages/scipy/interpolate/_fitpack_py.py in splprep(x=[array([-2.53040818e-01, -2.54880530e-01, -2.5668...57e-01, -2.49249478e-01, -2.51163649e-01]), array([-0.00277327, -0.00704144, -0.01130856, -0...3, 0.01003118, 0.00576366, 0.00149531])], w=None, u=None, ub=None, ue=None, k=3, task=0, s=0.0, t=None, full_output=0, nest=None, per=True, quiet=1)
    153     """
    154 
=>  155     res = _impl.splprep(x, w, u, ub, ue, k, task, s, t, full_output, nest, per,
=>  156                         quiet)
    157     return res
res undefined, global _impl = <module 'scipy.interpolate._fitpack_impl' from '...ist-packages/scipy/interpolate/_fitpack_impl.py'>, _impl.splprep = <function splprep>, x = [array([-2.53040818e-01, -2.54880530e-01, -2.5668...57e-01, -2.49249478e-01, -2.51163649e-01]), array([-0.00277327, -0.00704144, -0.01130856, -0...3, 0.01003118, 0.00576366, 0.00149531])], w = None, u = None, ub = None, ue = None, k = 3, task = 0, s = 0.0, t = None, full_output = 0, nest = None, per = True, quiet = 1
 /usr/lib/python3/dist-packages/scipy/interpolate/_fitpack_impl.py in splprep(x=array([[-2.53040818e-01, -2.54880530e-01, -2.566...00311760e-02, 5.76366298e-03, -2.77327222e-03]]), w=array([1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1..., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.]), u=array([0. , 0.0026099 , 0.00521091, 0.007...7721, 0.99211982, 0.99475469, 1. ]), ub=0, ue=1, k=3, task=0, s=0.0, t=array([], dtype=float64), full_output=0, nest=387, per=True, quiet=1)
    172     wrk = _parcur_cache['wrk']
    173     iwrk = _parcur_cache['iwrk']
=>  174     t, c, o = _fitpack._parcur(ravel(transpose(x)), w, u, ub, ue, k,
=>  175                                task, ipar, s, t, nest, wrk, iwrk, per)
    176     _parcur_cache['u'] = o['u']
t = array([], dtype=float64), c undefined, o undefined, global _fitpack = <module 'scipy.interpolate._fitpack' from '/usr/...polate/_fitpack.cpython-312-x86_64-linux-gnu.so'>, _fitpack._parcur = <built-in function _parcur>, global ravel = <function ravel>, global transpose = <function transpose>, x = array([[-2.53040818e-01, -2.54880530e-01, -2.566...00311760e-02, 5.76366298e-03, -2.77327222e-03]]), w = array([1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1..., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.]), u = array([0. , 0.0026099 , 0.00521091, 0.007...7721, 0.99211982, 0.99475469, 1. ]), ub = 0, ue = 1, k = 3, task = 0, ipar = False, s = 0.0, nest = 387, wrk = array([], dtype=float64), iwrk = array([], dtype=int32), per = True

ValueError: Invalid inputs.
      add_note = <built-in method add_note of ValueError object>
      args = ('Invalid inputs.',)
      with_traceback = <built-in method with_traceback of ValueError object>