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

Double Star Calculator - Orbit

- Revision:   $Rev: 1216 $
- Report created:   2025-07-11 18:37:13

Orbital Elements for I1586
WDS: I1586 WDS ID/Discoverer
P: 160.000 Orbital period (years)
a: 0.361 Semi-major axis (arcseconds)
i: 137.9 Inclination (degrees)
Ω: 0.1 Longitude of ascending node (degrees)
T: 2050.850 Epoch of periastron passage (year)
e: 0.2 Eccentricity
ω: 261.2 Longitude of periastron (degrees)
Start-Year: 1945.0 Year
End-Year: 2105.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for I1586
Position: 161603.71-303718.3 Epoch-2000 right ascension and declination
WDS-ID: 16161-3037 WDS designation
Discoverer Code: I1586 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 146177 HD catalog number
Hipparcos number: 79706 Hipparcos catalog number
V1: 8.11 Magnitude of the primary
V2: 9.40 Magnitude of the secondary
Equinox: Equinox
Date: 2018 Date of last observation
Orbit grade: 5 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for I1586
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ValueError		 Python 3.12.3: /usr/bin/python3
Fri Jul 11 18:37:13 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 = [0.19395252572436197, 0.20175631262535765, 0.2093474418683691, 0.21672080361656654, 0.22387156005114053, 0.2307951305274275, 0.23748717758871127, 0.2439435938096152, 0.250160489440329, 0.2561341808227115, 0.26186117954952, 0.2673381823385565, 0.2725620615943317, 0.27752985663087104, 0.28223876553049176, 0.2866861377145273, 0.29086946655349616, 0.29478638377378424, 0.2984346530241356, 0.3018121647772697, ...], y_list = [0.31290034919704596, 0.30631100360496966, 0.29939875268759225, 0.29217502123158373, 0.2846511450996845, 0.2768383703421919, 0.26874785323915845, 0.2603906611729002, 0.2517777742407638, 0.24292008752757765, 0.23382841396582574, 0.2245134877194036, 0.21498596803391767, 0.20525644350289918, 0.19533543670510098, 0.18523340893762005, 0.1749607665352964, 0.1645278646055176, 0.15394501418945625, 0.14322248782858524, ...]
 /var/www/cgi-bin/ds_orbit.py in Q_get_smoothed_orbit(x_list=[0.19395252572436197, 0.20175631262535765, 0.2093474418683691, 0.21672080361656654, 0.22387156005114053, 0.2307951305274275, 0.23748717758871127, 0.2439435938096152, 0.250160489440329, 0.2561341808227115, 0.26186117954952, 0.2673381823385565, 0.2725620615943317, 0.27752985663087104, 0.28223876553049176, 0.2866861377145273, 0.29086946655349616, 0.29478638377378424, 0.2984346530241356, 0.3018121647772697, ...], y_list=[0.31290034919704596, 0.30631100360496966, 0.29939875268759225, 0.29217502123158373, 0.2846511450996845, 0.2768383703421919, 0.26874785323915845, 0.2603906611729002, 0.2517777742407638, 0.24292008752757765, 0.23382841396582574, 0.2245134877194036, 0.21498596803391767, 0.20525644350289918, 0.19533543670510098, 0.18523340893762005, 0.1749607665352964, 0.1645278646055176, 0.15394501418945625, 0.14322248782858524, ...])
    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([-0.2145036 , -0.21356074, -0.21197568, -0... , -0.21348496, -0.21446206, -0.21480332]), y = array([-0.00744515, -0.02474837, -0.04197715, -0...8, 0.04439221, 0.02717657, 0.00988043]), s undefined, per undefined
 /usr/lib/python3/dist-packages/scipy/interpolate/_fitpack_py.py in splprep(x=[array([-0.2145036 , -0.21356074, -0.21197568, -0... , -0.21348496, -0.21446206, -0.21480332]), array([-0.00744515, -0.02474837, -0.04197715, -0...8, 0.04439221, 0.02717657, 0.00988043])], 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([-0.2145036 , -0.21356074, -0.21197568, -0... , -0.21348496, -0.21446206, -0.21480332]), array([-0.00744515, -0.02474837, -0.04197715, -0...8, 0.04439221, 0.02717657, 0.00988043])], 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([[-0.2145036 , -0.21356074, -0.21197568, -... 0.04439221, 0.02717657, -0.00744515]]), 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. , 0.0088319 , 0.01764985, 0.026...2027, 0.97356628, 0.98235458, 1. ]), ub=0, ue=1, k=3, task=0, s=0.0, t=array([], dtype=float64), full_output=0, nest=167, 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([[-0.2145036 , -0.21356074, -0.21197568, -... 0.04439221, 0.02717657, -0.00744515]]), 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. , 0.0088319 , 0.01764985, 0.026...2027, 0.97356628, 0.98235458, 1. ]), ub = 0, ue = 1, k = 3, task = 0, ipar = False, s = 0.0, nest = 167, 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>