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

Double Star Calculator - Orbit

- Revision:   $Rev: 1216 $
- Report created:   2025-07-11 17:27:35

Orbital Elements for B1962
WDS: B1962 WDS ID/Discoverer
P: 300.000 Orbital period (years)
a: 0.52 Semi-major axis (arcseconds)
i: 105.1 Inclination (degrees)
Ω: 15.0 Longitude of ascending node (degrees)
T: 1970.960 Epoch of periastron passage (year)
e: 0.108 Eccentricity
ω: 230.0 Longitude of periastron (degrees)
Start-Year: 1875.0 Year
End-Year: 2175.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for B1962
Position: 063858.57-585009.5 Epoch-2000 right ascension and declination
WDS-ID: 06390-5850 WDS designation
Discoverer Code: B1962 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 48293 HD catalog number
Hipparcos number: 31805 Hipparcos catalog number
V1: 8.68 Magnitude of the primary
V2: 10.29 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2022 Date of last observation
Orbit grade: 5 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for B1962
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ValueError		 Python 3.12.3: /usr/bin/python3
Fri Jul 11 17:27:35 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 = [0.16882811024509606, 0.1704362712354271, 0.17198038855980033, 0.17345953377562387, 0.17487278987448668, 0.17621925184844822, 0.17749802727797287, 0.17870823694187177, 0.1798490154496076, 0.18091951189628067, 0.18191889054059251, 0.18284633150605062, 0.1837010315056451, 0.18448220459018638, 0.18518908292045486, 0.18582091756326463, 0.1863769793114945, 0.18685655952808566, 0.18725897101394437, 0.18758354889962475, ...], y_list = [-0.09515109783374438, -0.10474427618662571, -0.11429809262760444, -0.12380872572630017, -0.13327232677553572, -0.142685020373269, -0.15204290505897636, -0.16134205400702611, -0.17057851577972372, -0.17974831514269068, -0.1888474539453127, -0.1978719120690276, -0.2068176484462763, -0.2156806021529394, -0.2244566935771397, -0.2331418256672918, -0.2417318852622834, -0.25022274450670834, -0.25861026235401424, -0.26689028616045846, ...]
 /var/www/cgi-bin/ds_orbit.py in Q_get_smoothed_orbit(x_list=[0.16882811024509606, 0.1704362712354271, 0.17198038855980033, 0.17345953377562387, 0.17487278987448668, 0.17621925184844822, 0.17749802727797287, 0.17870823694187177, 0.1798490154496076, 0.18091951189628067, 0.18191889054059251, 0.18284633150605062, 0.1837010315056451, 0.18448220459018638, 0.18518908292045486, 0.18582091756326463, 0.1863769793114945, 0.18685655952808566, 0.18725897101394437, 0.18758354889962475, ...], y_list=[-0.09515109783374438, -0.10474427618662571, -0.11429809262760444, -0.12380872572630017, -0.13327232677553572, -0.142685020373269, -0.15204290505897636, -0.16134205400702611, -0.17057851577972372, -0.17974831514269068, -0.1888474539453127, -0.1978719120690276, -0.2068176484462763, -0.2156806021529394, -0.2244566935771397, -0.2331418256672918, -0.2417318852622834, -0.25022274450670834, -0.25861026235401424, -0.26689028616045846, ...])
    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([-0.12563685, -0.12247645, -0.11924575, -0...9, -0.134682 , -0.13174098, -0.12872549]), y = array([-0.00984023, -0.02126548, -0.03267852, -0...3, 0.02444325, 0.01302063, 0.00159065]), s undefined, per undefined
 /usr/lib/python3/dist-packages/scipy/interpolate/_fitpack_py.py in splprep(x=[array([-0.12563685, -0.12247645, -0.11924575, -0...9, -0.134682 , -0.13174098, -0.12872549]), array([-0.00984023, -0.02126548, -0.03267852, -0...3, 0.02444325, 0.01302063, 0.00159065])], 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([-0.12563685, -0.12247645, -0.11924575, -0...9, -0.134682 , -0.13174098, -0.12872549]), array([-0.00984023, -0.02126548, -0.03267852, -0...3, 0.02444325, 0.01302063, 0.00159065])], 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([[-0.12563685, -0.12247645, -0.11924575, -... 0.02444325, 0.01302063, -0.00984023]]), 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. , 0.00530844, 0.0106201 , 0.015...545 , 0.98412214, 0.9894041 , 1. ]), ub=0, ue=1, k=3, task=0, s=0.0, t=array([], dtype=float64), full_output=0, nest=307, 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([[-0.12563685, -0.12247645, -0.11924575, -... 0.02444325, 0.01302063, -0.00984023]]), 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. , 0.00530844, 0.0106201 , 0.015...545 , 0.98412214, 0.9894041 , 1. ]), ub = 0, ue = 1, k = 3, task = 0, ipar = False, s = 0.0, nest = 307, 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>