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

Double Star Calculator - Orbit

- Revision:   $Rev: 1216 $
- Report created:   2025-07-11 19:40:41

Orbital Elements for I1467
WDS: I1467 WDS ID/Discoverer
P: 250.000 Orbital period (years)
a: 0.304 Semi-major axis (arcseconds)
i: 122.5 Inclination (degrees)
Ω: 159.7 Longitude of ascending node (degrees)
T: 2029.100 Epoch of periastron passage (year)
e: 0.791 Eccentricity
ω: 310.3 Longitude of periastron (degrees)
Start-Year: 1900.0 Year
End-Year: 2150.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for I1467
Position: 231315.28-493706.9 Epoch-2000 right ascension and declination
WDS-ID: 23133-4937 WDS designation
Discoverer Code: I1467 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 219023 HD catalog number
Hipparcos number: 114626 Hipparcos catalog number
V1: 7.06 Magnitude of the primary
V2: 9.70 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2022 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for I1467
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ValueError		 Python 3.12.3: /usr/bin/python3
Fri Jul 11 19:40:41 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 = [-0.0933156715090847, -0.09180997418307456, -0.09029416958390292, -0.08876843133777271, -0.08723293138187793, -0.08568784008144016, -0.08413332634472782, -0.08256955773682569, -0.0809967005929527, -0.07941492013214768, -0.07782438057217073, -0.07622524515681217, -0.07461767649174696, -0.07300183639582412, -0.07137788615287212, -0.06974598659313197, -0.06810629820512117, -0.06645898124833127, -0.06480419586697471, -0.06314210220500951, ...], y_list = [0.4009472773127904, 0.40265982882631607, 0.40432805203274036, 0.40595179347104793, 0.4075308931431363, 0.40906518440650785, 0.41055449386242765, 0.41199864123867924, 0.41339743926617906, 0.41475069354883465, 0.41605820242616065, 0.41731975689756484, 0.41853514029517513, 0.41970412833662046, 0.4208264888496714, 0.4219019816266424, 0.4229303582469336, 0.42391136189138073, 0.4248447271480529, 0.4257301798091088, ...]
 /var/www/cgi-bin/ds_orbit.py in Q_get_smoothed_orbit(x_list=[-0.0933156715090847, -0.09180997418307456, -0.09029416958390292, -0.08876843133777271, -0.08723293138187793, -0.08568784008144016, -0.08413332634472782, -0.08256955773682569, -0.0809967005929527, -0.07941492013214768, -0.07782438057217073, -0.07622524515681217, -0.07461767649174696, -0.07300183639582412, -0.07137788615287212, -0.06974598659313197, -0.06810629820512117, -0.06645898124833127, -0.06480419586697471, -0.06314210220500951, ...], y_list=[0.4009472773127904, 0.40265982882631607, 0.40432805203274036, 0.40595179347104793, 0.4075308931431363, 0.40906518440650785, 0.41055449386242765, 0.41199864123867924, 0.41339743926617906, 0.41475069354883465, 0.41605820242616065, 0.41731975689756484, 0.41853514029517513, 0.41970412833662046, 0.4208264888496714, 0.4219019816266424, 0.4229303582469336, 0.42391136189138073, 0.4248447271480529, 0.4257301798091088, ...])
    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([-1.24647195e-01, -1.21645075e-01, -1.1841....32479996e-01, -1.30049563e-01, -1.27443345e-01]), y = array([-0.00256946, -0.0086313 , -0.01467701, -0...1, 0.01560643, 0.00955801, 0.00349681]), s undefined, per undefined
 /usr/lib/python3/dist-packages/scipy/interpolate/_fitpack_py.py in splprep(x=[array([-1.24647195e-01, -1.21645075e-01, -1.1841....32479996e-01, -1.30049563e-01, -1.27443345e-01]), array([-0.00256946, -0.0086313 , -0.01467701, -0...1, 0.01560643, 0.00955801, 0.00349681])], 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([-1.24647195e-01, -1.21645075e-01, -1.1841....32479996e-01, -1.30049563e-01, -1.27443345e-01]), array([-0.00256946, -0.0086313 , -0.01467701, -0...1, 0.01560643, 0.00955801, 0.00349681])], 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([[-1.24647195e-01, -1.21645075e-01, -1.184...e-02, 9.55801467e-03, -2.56945665e-03]]), 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. , 0.00559191, 0.01125675, 0.016...1171, 0.98363657, 0.98902507, 1. ]), ub=0, ue=1, k=3, task=0, s=0.0, t=array([], dtype=float64), full_output=0, nest=257, 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([[-1.24647195e-01, -1.21645075e-01, -1.184...e-02, 9.55801467e-03, -2.56945665e-03]]), 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. , 0.00559191, 0.01125675, 0.016...1171, 0.98363657, 0.98902507, 1. ]), ub = 0, ue = 1, k = 3, task = 0, ipar = False, s = 0.0, nest = 257, 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>