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

Double Star Calculator - Orbit

- Revision:   $Rev: 1216 $
- Report created:   2025-07-11 19:31:59

Orbital Elements for WOR10
WDS: WOR10 WDS ID/Discoverer
P: 336.000 Orbital period (years)
a: 1.388 Semi-major axis (arcseconds)
i: 119.5 Inclination (degrees)
Ω: 154.7 Longitude of ascending node (degrees)
T: 1971.000 Epoch of periastron passage (year)
e: 0.412 Eccentricity
ω: 33.6 Longitude of periastron (degrees)
Start-Year: 1857.0 Year
End-Year: 2193.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for WOR10
Position: 221044.71+075432.9 Epoch-2000 right ascension and declination
WDS-ID: 22107+0755 WDS designation
Discoverer Code: WOR10 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: 109480 Hipparcos catalog number
V1: 11.54 Magnitude of the primary
V2: 11.76 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 WOR10
--> -->
 
 
ValueError		 Python 3.12.3: /usr/bin/python3
Fri Jul 11 19:31:59 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 = [1.0790324406605833, 1.0727363726431451, 1.0662703307119357, 1.0596337477123519, 1.0528260537218397, 1.0458466763884646, 1.0386950412970961, 1.0313705723650637, 1.0238726922693104, 1.016200822907197, 1.0083543858932633, 1.0003328030944123, 0.9921354972061803, 0.9837618923729045, 0.9752114148548376, 0.966483493745466, 0.9575775617425, 0.948493055976296, 0.9392294188996766, 0.9297860992434905, ...], y_list = [0.4479020485063844, 0.4303083472878937, 0.41264646787137005, 0.39491859291705045, 0.37712694998811075, 0.3592738134541822, 0.34136150646937136, 0.32339240302825945, 0.3053689301036388, 0.2872935698698533, 0.26916886201586177, 0.2509974061522719, 0.23278186431689002, 0.21452496358345938, 0.1962294987785608, 0.17789833531186172, 0.15953441212514402, 0.1411407447658322, 0.12272042859095268, 0.10427664210787321, ...]
 /var/www/cgi-bin/ds_orbit.py in Q_get_smoothed_orbit(x_list=[1.0790324406605833, 1.0727363726431451, 1.0662703307119357, 1.0596337477123519, 1.0528260537218397, 1.0458466763884646, 1.0386950412970961, 1.0313705723650637, 1.0238726922693104, 1.016200822907197, 1.0083543858932633, 1.0003328030944123, 0.9921354972061803, 0.9837618923729045, 0.9752114148548376, 0.966483493745466, 0.9575775617425, 0.948493055976296, 0.9392294188996766, 0.9297860992434905, ...], y_list=[0.4479020485063844, 0.4303083472878937, 0.41264646787137005, 0.39491859291705045, 0.37712694998811075, 0.3592738134541822, 0.34136150646937136, 0.32339240302825945, 0.3053689301036388, 0.2872935698698533, 0.26916886201586177, 0.2509974061522719, 0.23278186431689002, 0.21452496358345938, 0.1962294987785608, 0.17789833531186172, 0.15953441212514402, 0.1411407447658322, 0.12272042859095268, 0.10427664210787321, ...])
    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([-4.71958968e-01, -4.78898010e-01, -4.8517...51e-01, -4.56196530e-01, -4.64382737e-01]), y = array([-0.00775641, -0.04211261, -0.07641021, -0...3, 0.09519713, 0.06094259, 0.02661046]), s undefined, per undefined
 /usr/lib/python3/dist-packages/scipy/interpolate/_fitpack_py.py in splprep(x=[array([-4.71958968e-01, -4.78898010e-01, -4.8517...51e-01, -4.56196530e-01, -4.64382737e-01]), array([-0.00775641, -0.04211261, -0.07641021, -0...3, 0.09519713, 0.06094259, 0.02661046])], 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([-4.71958968e-01, -4.78898010e-01, -4.8517...51e-01, -4.56196530e-01, -4.64382737e-01]), array([-0.00775641, -0.04211261, -0.07641021, -0...3, 0.09519713, 0.06094259, 0.02661046])], 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([[-4.71958968e-01, -4.78898010e-01, -4.851...e-02, 6.09425927e-02, -7.75641270e-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. , 0.00542567, 0.01082301, 0.016...378 , 0.98361566, 0.98908918, 1. ]), ub=0, ue=1, k=3, task=0, s=0.0, t=array([], dtype=float64), full_output=0, nest=343, 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([[-4.71958968e-01, -4.78898010e-01, -4.851...e-02, 6.09425927e-02, -7.75641270e-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. , 0.00542567, 0.01082301, 0.016...378 , 0.98361566, 0.98908918, 1. ]), ub = 0, ue = 1, k = 3, task = 0, ipar = False, s = 0.0, nest = 343, 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>