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

Double Star Calculator - Orbit

- Revision:   $Rev: 1216 $
- Report created:   2025-07-11 18:18:55

Orbital Elements for SEE182
WDS: SEE182 WDS ID/Discoverer
P: 480.000 Orbital period (years)
a: 1.073 Semi-major axis (arcseconds)
i: 55.0 Inclination (degrees)
Ω: 28.1 Longitude of ascending node (degrees)
T: 2017.290 Epoch of periastron passage (year)
e: 0.983 Eccentricity
ω: 288.0 Longitude of periastron (degrees)
Start-Year: 1785.0 Year
End-Year: 2265.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for SEE182
Position: 133425.40-422416.1 Epoch-2000 right ascension and declination
WDS-ID: 13344-4224 WDS designation
Discoverer Code: SEE182 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 117940 HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 9.25 Magnitude of the primary
V2: 9.80 Magnitude of the secondary
Equinox: Equinox
Date: Date of last observation
Orbit grade: 5 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for SEE182
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ValueError		 Python 3.12.3: /usr/bin/python3
Fri Jul 11 18:18:55 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 = [-0.7076636356374147, -0.7067494216215701, -0.7058196391931519, -0.7048742995376226, -0.7039134131900456, -0.7029369900365602, -0.7019450393157023, -0.7009375696195902, -0.6999145888949879, -0.6988761044442274, -0.6978221228448217, -0.696752650235031, -0.6956676919308662, -0.694567252658523, -0.6934513365012118, -0.6923199468991033, -0.6911730866491271, -0.6900107579046167, -0.6888329621747992, -0.6876397003241509, ...], y_list = [-1.1335512176270748, -1.1343295896928887, -1.1350829745223894, -1.1358113405692691, -1.1365146551785577, -1.1371928845802066, -1.137845993882422, -1.1384739470647098, -1.139076706970636, -1.139654235300307, -1.1402064926438316, -1.1407334383246908, -1.1412350305941903, -1.1417112264984814, -1.1421619818983073, -1.1425872514596638, -1.142986988644142, -1.1433611456989539, -1.1437096736466295, -1.1440325222743661, ...]
 /var/www/cgi-bin/ds_orbit.py in Q_get_smoothed_orbit(x_list=[-0.7076636356374147, -0.7067494216215701, -0.7058196391931519, -0.7048742995376226, -0.7039134131900456, -0.7029369900365602, -0.7019450393157023, -0.7009375696195902, -0.6999145888949879, -0.6988761044442274, -0.6978221228448217, -0.696752650235031, -0.6956676919308662, -0.694567252658523, -0.6934513365012118, -0.6923199468991033, -0.6911730866491271, -0.6900107579046167, -0.6888329621747992, -0.6876397003241509, ...], y_list=[-1.1335512176270748, -1.1343295896928887, -1.1350829745223894, -1.1358113405692691, -1.1365146551785577, -1.1371928845802066, -1.137845993882422, -1.1384739470647098, -1.139076706970636, -1.139654235300307, -1.1402064926438316, -1.1407334383246908, -1.1412350305941903, -1.1417112264984814, -1.1421619818983073, -1.1425872514596638, -1.142986988644142, -1.1433611456989539, -1.1437096736466295, -1.1440325222743661, ...])
    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([-0.12965768, -0.14851754, -0.16538782, -0...7, -0.04438348, -0.08141303, -0.10791666]), y = array([-0.00932361, -0.02288653, -0.03615359, -0...8, 0.02835116, 0.01787647, 0.00441989]), s undefined, per undefined
 /usr/lib/python3/dist-packages/scipy/interpolate/_fitpack_py.py in splprep(x=[array([-0.12965768, -0.14851754, -0.16538782, -0...7, -0.04438348, -0.08141303, -0.10791666]), array([-0.00932361, -0.02288653, -0.03615359, -0...8, 0.02835116, 0.01787647, 0.00441989])], 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([-0.12965768, -0.14851754, -0.16538782, -0...7, -0.04438348, -0.08141303, -0.10791666]), array([-0.00932361, -0.02288653, -0.03615359, -0...8, 0.02835116, 0.01787647, 0.00441989])], 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([[-0.12965768, -0.14851754, -0.16538782, -... 0.02835116, 0.01787647, -0.00932361]]), 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. , 0.00798876, 0.01536944, 0.022...3864, 0.96771987, 0.98095378, 1. ]), ub=0, ue=1, k=3, task=0, s=0.0, t=array([], dtype=float64), full_output=0, nest=487, 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([[-0.12965768, -0.14851754, -0.16538782, -... 0.02835116, 0.01787647, -0.00932361]]), 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. , 0.00798876, 0.01536944, 0.022...3864, 0.96771987, 0.98095378, 1. ]), ub = 0, ue = 1, k = 3, task = 0, ipar = False, s = 0.0, nest = 487, 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>