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

Double Star Calculator - Orbit

- Revision:   $Rev: 1216 $
- Report created:   2025-07-11 17:23:12

Orbital Elements for CHR162
WDS: CHR162 WDS ID/Discoverer
P: 200.000 Orbital period (years)
a: 0.3242 Semi-major axis (arcseconds)
i: 102.8 Inclination (degrees)
Ω: 219.4 Longitude of ascending node (degrees)
T: 2033.556 Epoch of periastron passage (year)
e: 0.88 Eccentricity
ω: 238.2 Longitude of periastron (degrees)
Start-Year: 1925.0 Year
End-Year: 2125.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for CHR162
Position: 060217.11+014138.6 Epoch-2000 right ascension and declination
WDS-ID: 06023+0142 WDS designation
Discoverer Code: CHR162 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 6.76 Magnitude of the primary
V2: 8.56 Magnitude of the secondary
Equinox: Equinox
Date: 2018 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for CHR162
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ValueError		 Python 3.12.3: /usr/bin/python3
Fri Jul 11 17:23:12 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 = [0.12839013152086473, 0.126915921976538, 0.12542264769101139, 0.12391058538846757, 0.12238000574209543, 0.1208311738289144, 0.11926434935781911, 0.11767978694716957, 0.11607773639358371, 0.11445844293285112, 0.11282214749386654, 0.11116908694650293, 0.10949949434432643, 0.10781359916307517, 0.10611162753581238, 0.1043938024856681, 0.10266034409446587, 0.1009114698941955, 0.09914739489793982, 0.0973683319300643, ...], y_list = [-0.3320847759545867, -0.3309779641770361, -0.3298214346174066, -0.3286154986937231, -0.32736045425420124, -0.32605658603852156, -0.32470416595074014, -0.32330345335809135, -0.32185469537131595, -0.32035812710736317, -0.31881397193528627, -0.317222441706182, -0.3155837369680085, -0.3138980471661371, -0.3121655508304872, -0.3103864157500977, -0.3085607990694998, -0.30668884760886694, -0.3047706977952067, -0.30280647589557635, ...]
 /var/www/cgi-bin/ds_orbit.py in Q_get_smoothed_orbit(x_list=[0.12839013152086473, 0.126915921976538, 0.12542264769101139, 0.12391058538846757, 0.12238000574209543, 0.1208311738289144, 0.11926434935781911, 0.11767978694716957, 0.11607773639358371, 0.11445844293285112, 0.11282214749386654, 0.11116908694650293, 0.10949949434432643, 0.10781359916307517, 0.10611162753581238, 0.1043938024856681, 0.10266034409446587, 0.1009114698941955, 0.09914739489793982, 0.0973683319300643, ...], y_list=[-0.3320847759545867, -0.3309779641770361, -0.3298214346174066, -0.3286154986937231, -0.32736045425420124, -0.32605658603852156, -0.32470416595074014, -0.32330345335809135, -0.32185469537131595, -0.32035812710736317, -0.31881397193528627, -0.317222441706182, -0.3155837369680085, -0.3138980471661371, -0.3121655508304872, -0.3103864157500977, -0.3085607990694998, -0.30668884760886694, -0.3047706977952067, -0.30280647589557635, ...])
    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([-0.0591706 , -0.05816496, -0.05699035, -0... , -0.06077437, -0.06052736, -0.05997295]), y = array([-0.0016529 , -0.00749403, -0.01331385, -0...6, 0.01579759, 0.01002143, 0.00419332]), s undefined, per undefined
 /usr/lib/python3/dist-packages/scipy/interpolate/_fitpack_py.py in splprep(x=[array([-0.0591706 , -0.05816496, -0.05699035, -0... , -0.06077437, -0.06052736, -0.05997295]), array([-0.0016529 , -0.00749403, -0.01331385, -0...6, 0.01579759, 0.01002143, 0.00419332])], 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([-0.0591706 , -0.05816496, -0.05699035, -0... , -0.06077437, -0.06052736, -0.05997295]), array([-0.0016529 , -0.00749403, -0.01331385, -0...6, 0.01579759, 0.01002143, 0.00419332])], 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([[-0.0591706 , -0.05816496, -0.05699035, -... 0.01579759, 0.01002143, -0.0016529 ]]), 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. , 0.00637253, 0.01275593, 0.019...4592, 0.98114782, 0.98736378, 1. ]), ub=0, ue=1, k=3, task=0, s=0.0, t=array([], dtype=float64), full_output=0, nest=207, 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([[-0.0591706 , -0.05816496, -0.05699035, -... 0.01579759, 0.01002143, -0.0016529 ]]), 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. , 0.00637253, 0.01275593, 0.019...4592, 0.98114782, 0.98736378, 1. ]), ub = 0, ue = 1, k = 3, task = 0, ipar = False, s = 0.0, nest = 207, 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>