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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 17:15:21

Orbital Elements for RST141
WDS: RST141 WDS ID/Discoverer
P: 134.000 Orbital period (years)
a: 0.357 Semi-major axis (arcseconds)
i: 47.5 Inclination (degrees)
Ω: 64.0 Longitude of ascending node (degrees)
T: 1966.500 Epoch of periastron passage (year)
e: 0.746 Eccentricity
ω: 43.0 Longitude of periastron (degrees)
Start-Year: 1958.0 Year
End-Year: 2092.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for RST141
Position: 053514.04-465643.3 Epoch-2000 right ascension and declination
WDS-ID: 05352-4657 WDS designation
Discoverer Code: RST141 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 37314 HD catalog number
Hipparcos number: 26217 Hipparcos catalog number
V1: 9.09 Magnitude of the primary
V2: 10.39 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2008 Date of last observation
Orbit grade: 5 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for RST141
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ValueError
Python 3.12.3: /usr/bin/python3
Fri Jul 11 17:15:21 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 = [-0.007044098822223227, -0.023323144840328283, -0.03932245622648356, -0.05470499754591861, -0.06891742400393418, -0.08103411069970183, -0.08950889066502117, -0.09191976418738716, -0.08527612257518644, -0.06797574974117324, -0.042091013268305576, -0.011897054376502651, 0.019243699443614426, 0.049621336531569506, 0.07856381187947913, 0.10588387724275446, 0.13159531458135948, 0.15578743782809884, 0.1785720634838416, 0.2000617576926743, ...], y_list = [0.16071693552844418, 0.15109777854042702, 0.13972490893454456, 0.12621218525288247, 0.11005739424629792, 0.09062900435510718, 0.06722839381852551, 0.039412947040971286, 0.007876861677106778, -0.024554701914831174, -0.0539968493630616, -0.07826403158918036, -0.0973534286089589, -0.11215731680654491, -0.12361571783162155, -0.13248127315426708, -0.13931491467168997, -0.14452974246600156, -0.14843268328228082, -0.15125542499615097, ...]
 /var/www/cgi-bin/ds_orbit.py in Q_get_smoothed_orbit(x_list=[-0.007044098822223227, -0.023323144840328283, -0.03932245622648356, -0.05470499754591861, -0.06891742400393418, -0.08103411069970183, -0.08950889066502117, -0.09191976418738716, -0.08527612257518644, -0.06797574974117324, -0.042091013268305576, -0.011897054376502651, 0.019243699443614426, 0.049621336531569506, 0.07856381187947913, 0.10588387724275446, 0.13159531458135948, 0.15578743782809884, 0.1785720634838416, 0.2000617576926743, ...], y_list=[0.16071693552844418, 0.15109777854042702, 0.13972490893454456, 0.12621218525288247, 0.11005739424629792, 0.09062900435510718, 0.06722839381852551, 0.039412947040971286, 0.007876861677106778, -0.024554701914831174, -0.0539968493630616, -0.07826403158918036, -0.0973534286089589, -0.11215731680654491, -0.12361571783162155, -0.13248127315426708, -0.13931491467168997, -0.14452974246600156, -0.14843268328228082, -0.15125542499615097, ...])
    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([-0.06797575, -0.04209101, -0.01189705, 0...08103411, -0.08950889, -0.09191976, -0.08527612]), y = array([-0.0245547 , -0.05399685, -0.07826403, -0...090629 , 0.06722839, 0.03941295, 0.00787686]), s undefined, per undefined
 /usr/lib/python3/dist-packages/scipy/interpolate/_fitpack_py.py in splprep(x=[array([-0.06797575, -0.04209101, -0.01189705, 0...08103411, -0.08950889, -0.09191976, -0.08527612]), array([-0.0245547 , -0.05399685, -0.07826403, -0...090629 , 0.06722839, 0.03941295, 0.00787686])], 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([-0.06797575, -0.04209101, -0.01189705, 0...08103411, -0.08950889, -0.09191976, -0.08527612]), array([-0.0245547 , -0.05399685, -0.07826403, -0...090629 , 0.06722839, 0.03941295, 0.00787686])], 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([[-0.06797575, -0.04209101, -0.01189705, ...90629 , 0.06722839, 0.03941295, -0.0245547 ]]), w=array([1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1... 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.]), u=array([0. , 0.02447069, 0.04865076, 0.071... 0.92440233, 0.93993759, 0.9573653 , 1. ]), ub=0, ue=1, k=3, task=0, s=0.0, t=array([], dtype=float64), full_output=0, nest=141, 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([[-0.06797575, -0.04209101, -0.01189705, ...90629 , 0.06722839, 0.03941295, -0.0245547 ]]), w = array([1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1... 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1., 1.]), u = array([0. , 0.02447069, 0.04865076, 0.071... 0.92440233, 0.93993759, 0.9573653 , 1. ]), ub = 0, ue = 1, k = 3, task = 0, ipar = False, s = 0.0, nest = 141, 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>