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

Double Star Calculator - Orbit

- Revision:   $Rev: 1216 $
- Report created:   2025-07-11 17:30:31

Orbital Elements for RST5252
WDS: RST5252 WDS ID/Discoverer
P: 600.000 Orbital period (years)
a: 0.75 Semi-major axis (arcseconds)
i: 108.7 Inclination (degrees)
Ω: 23.3 Longitude of ascending node (degrees)
T: 1907.424 Epoch of periastron passage (year)
e: 0.595 Eccentricity
ω: 162.5 Longitude of periastron (degrees)
Start-Year: 1725.0 Year
End-Year: 2325.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for RST5252
Position: 065837.28-001627.3 Epoch-2000 right ascension and declination
WDS-ID: 06586-0016 WDS designation
Discoverer Code: RST5252 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 292837 HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 10.2 Magnitude of the primary
V2: 10.2 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2023 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for RST5252
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ValueError		 Python 3.12.3: /usr/bin/python3
Fri Jul 11 17:30:31 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 = [-0.38024000812712805, -0.37786781189928575, -0.375480833915819, -0.373079066549068, -0.3706625021720821, -0.36823113316782696, -0.3657849519387564, -0.363323950916762, -0.36084812257351856, -0.35835745943124087, -0.3558519540738683, -0.35333159915870577, -0.35079638742852315, -0.34824631172414855, -0.3456813649975742, -0.34310154032558965, -0.34050683092397527, -0.3378972301622731, -0.33527273157916915, -0.3326333288985026, ...], y_list = [0.9824812137184104, 0.9803437249748087, 0.9781678861300803, 0.9759535191711034, 0.9737004438913673, 0.9714084778597143, 0.9690774363885466, 0.966707132501488, 0.9642973769004932, 0.9618479779323933, 0.9593587415548742, 0.9568294713018785, 0.9542599682484163, 0.9516500309747864, 0.9489994555301926, 0.9463080353957541, 0.9435755614468911, 0.9408018219150919, 0.9379866023490444, 0.9351296855751272, ...]
 /var/www/cgi-bin/ds_orbit.py in Q_get_smoothed_orbit(x_list=[-0.38024000812712805, -0.37786781189928575, -0.375480833915819, -0.373079066549068, -0.3706625021720821, -0.36823113316782696, -0.3657849519387564, -0.363323950916762, -0.36084812257351856, -0.35835745943124087, -0.3558519540738683, -0.35333159915870577, -0.35079638742852315, -0.34824631172414855, -0.3456813649975742, -0.34310154032558965, -0.34050683092397527, -0.3378972301622731, -0.33527273157916915, -0.3326333288985026, ...], y_list=[0.9824812137184104, 0.9803437249748087, 0.9781678861300803, 0.9759535191711034, 0.9737004438913673, 0.9714084778597143, 0.9690774363885466, 0.966707132501488, 0.9642973769004932, 0.9618479779323933, 0.9593587415548742, 0.9568294713018785, 0.9542599682484163, 0.9516500309747864, 0.9489994555301926, 0.9463080353957541, 0.9435755614468911, 0.9408018219150919, 0.9379866023490444, 0.9351296855751272, ...])
    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([-2.22625915e-01, -2.18211192e-01, -2.1375...16e-01, -2.31341743e-01, -2.27002705e-01]), y = array([-0.00339935, -0.01014986, -0.01689859, -0...3, 0.01685119, 0.01010228, 0.00335174]), s undefined, per undefined
 /usr/lib/python3/dist-packages/scipy/interpolate/_fitpack_py.py in splprep(x=[array([-2.22625915e-01, -2.18211192e-01, -2.1375...16e-01, -2.31341743e-01, -2.27002705e-01]), array([-0.00339935, -0.01014986, -0.01689859, -0...3, 0.01685119, 0.01010228, 0.00335174])], 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([-2.22625915e-01, -2.18211192e-01, -2.1375...16e-01, -2.31341743e-01, -2.27002705e-01]), array([-0.00339935, -0.01014986, -0.01689859, -0...3, 0.01685119, 0.01010228, 0.00335174])], 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([[-0.22262592, -0.21821119, -0.21375836, .... 0.01685119, 0.01010228, -0.00339935]]), 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. , 0.00252941, 0.00506491, 0.007...4798, 0.99245071, 0.99496043, 1. ]), ub=0, ue=1, k=3, task=0, s=0.0, t=array([], dtype=float64), full_output=0, nest=607, 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([[-0.22262592, -0.21821119, -0.21375836, .... 0.01685119, 0.01010228, -0.00339935]]), 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. , 0.00252941, 0.00506491, 0.007...4798, 0.99245071, 0.99496043, 1. ]), ub = 0, ue = 1, k = 3, task = 0, ipar = False, s = 0.0, nest = 607, 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>