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

Double Star Calculator - Orbit

- Revision:   $Rev: 1216 $
- Report created:   2025-07-11 18:18:32

Orbital Elements for VYS6
WDS: VYS6 WDS ID/Discoverer
P: 430.000 Orbital period (years)
a: 3.17 Semi-major axis (arcseconds)
i: 59.4 Inclination (degrees)
Ω: 33.3 Longitude of ascending node (degrees)
T: 1973.500 Epoch of periastron passage (year)
e: 0.0 Eccentricity
ω: 0.0 Longitude of periastron (degrees)
Start-Year: 1810.0 Year
End-Year: 2240.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for VYS6
Position: 133244.59+164839.0 Epoch-2000 right ascension and declination
WDS-ID: 13328+1649 WDS designation
Discoverer Code: VYS6 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: 66077 Hipparcos catalog number
V1: 11.39 Magnitude of the primary
V2: 11.30 Magnitude of the secondary
Equinox: 2000 Equinox
Date: Date of last observation
Orbit grade: 5 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for VYS6
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ValueError		 Python 3.12.3: /usr/bin/python3
Fri Jul 11 18:18:32 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 = [2.19225612793221, 2.189026481481746, 2.1853294593473325, 2.1811658508744913, 2.176536545028877, 2.1714425302064733, 2.1658848940225663, 2.1598648230795274, 2.153383602713462, 2.146442616719783, 2.139043347057755, 2.131187373534086, 2.1228763734656235, 2.114112121321236, 2.104896488342945, 2.0952314421464022, 2.0851190463007865, 2.0745614598882107, 2.0635609370427455, 2.052119826469137, ...], y_list = [-1.3285361349295486, -1.2924850560166579, -1.2561580206033967, -1.2195627848193333, -1.182707162057089, -1.1455990213041047, -1.1082462854625548, -1.0706569296577322, -1.0328389795352928, -0.9948005095477238, -0.9565496412303578, -0.91809454146738, -0.879443420748108, -0.8406045314140006, -0.8015861658967022, -0.7623966549475418, -0.72304436585885, -0.6835377006774599, -0.6438850944108174, -0.6040950132260154, ...]
 /var/www/cgi-bin/ds_orbit.py in Q_get_smoothed_orbit(x_list=[2.19225612793221, 2.189026481481746, 2.1853294593473325, 2.1811658508744913, 2.176536545028877, 2.1714425302064733, 2.1658848940225663, 2.1598648230795274, 2.153383602713462, 2.146442616719783, 2.139043347057755, 2.131187373534086, 2.1228763734656235, 2.114112121321236, 2.104896488342945, 2.0952314421464022, 2.0851190463007865, 2.0745614598882107, 2.0635609370427455, 2.052119826469137, ...], y_list=[-1.3285361349295486, -1.2924850560166579, -1.2561580206033967, -1.2195627848193333, -1.182707162057089, -1.1455990213041047, -1.1082462854625548, -1.0706569296577322, -1.0328389795352928, -0.9948005095477238, -0.9565496412303578, -0.91809454146738, -0.879443420748108, -0.8406045314140006, -0.8015861658967022, -0.7623966549475418, -0.72304436585885, -0.6835377006774599, -0.6438850944108174, -0.6040950132260154, ...])
    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([-1.82951278, -1.81141668, -1.79293383, -1...1, -1.88144232, -1.86452934, -1.84721825]), y = array([-0.00342202, -0.04424195, -0.08505242, -0...3, 0.11900727, 0.0782113 , 0.03739863]), s undefined, per undefined
 /usr/lib/python3/dist-packages/scipy/interpolate/_fitpack_py.py in splprep(x=[array([-1.82951278, -1.81141668, -1.79293383, -1...1, -1.88144232, -1.86452934, -1.84721825]), array([-0.00342202, -0.04424195, -0.08505242, -0...3, 0.11900727, 0.0782113 , 0.03739863])], 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([-1.82951278, -1.81141668, -1.79293383, -1...1, -1.88144232, -1.86452934, -1.84721825]), array([-0.00342202, -0.04424195, -0.08505242, -0...3, 0.11900727, 0.0782113 , 0.03739863])], 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([[-1.82951278, -1.81141668, -1.79293383, -... 0.11900727, 0.0782113 , -0.00342202]]), 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. , 0.00289406, 0.00579782, 0.008...293 , 0.99138031, 0.99424272, 1. ]), ub=0, ue=1, k=3, task=0, s=0.0, t=array([], dtype=float64), full_output=0, nest=437, 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([[-1.82951278, -1.81141668, -1.79293383, -... 0.11900727, 0.0782113 , -0.00342202]]), 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. , 0.00289406, 0.00579782, 0.008...293 , 0.99138031, 0.99424272, 1. ]), ub = 0, ue = 1, k = 3, task = 0, ipar = False, s = 0.0, nest = 437, 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>