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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 17:05:47

Orbital Elements for JNN29
WDS: JNN29 WDS ID/Discoverer
P: 28.000 Orbital period (years)
a: 0.134 Semi-major axis (arcseconds)
i: 17.0 Inclination (degrees)
Ω: 31.0 Longitude of ascending node (degrees)
T: 2026.560 Epoch of periastron passage (year)
e: 0.1 Eccentricity
ω: 116.0 Longitude of periastron (degrees)
Start-Year: 2011.0 Year
End-Year: 2039.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for JNN29
Position: 045958.56-033312.2 Epoch-2000 right ascension and declination
WDS-ID: 05000-0333 WDS designation
Discoverer Code: JNN29 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 14.1 Magnitude of the primary
V2: 15.7 Magnitude of the secondary
Equinox: 2000 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 JNN29
--> -->
 
 
ValueError
Python 3.12.3: /usr/bin/python3
Fri Jul 11 17:05:47 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 = [0.1062225492175891, 0.08737057438810114, 0.06521377201687795, 0.04059326165029794, 0.014425000574670188, -0.012301583569621811, -0.038525408593750136, -0.06311986226649041, -0.08490833307724967, -0.1026957260844754, -0.11532365381609752, -0.12175632753618146, -0.12119945042904555, -0.11324318054360104, -0.0980024339465251, -0.07620977827912233, -0.04921191901630756, -0.018843701584973928, 0.012799957600699517, 0.043630396575845776, ...], y_list = [0.09194802783597496, 0.11149424234758534, 0.12682489760803015, 0.1373623934441157, 0.14265272959993053, 0.1423745569281693, 0.13635663527612948, 0.12460481620361566, 0.10733878451630213, 0.08503686973304514, 0.05848360338091038, 0.028808880110578368, -0.0024998612944434786, -0.03363712455003991, -0.06259367197132981, -0.08735219099929338, -0.10613792800476711, -0.1176626219662195, -0.12128804520673513, -0.1170622361010929, ...]
 /var/www/cgi-bin/ds_orbit.py in Q_get_smoothed_orbit(x_list=[0.1062225492175891, 0.08737057438810114, 0.06521377201687795, 0.04059326165029794, 0.014425000574670188, -0.012301583569621811, -0.038525408593750136, -0.06311986226649041, -0.08490833307724967, -0.1026957260844754, -0.11532365381609752, -0.12175632753618146, -0.12119945042904555, -0.11324318054360104, -0.0980024339465251, -0.07620977827912233, -0.04921191901630756, -0.018843701584973928, 0.012799957600699517, 0.043630396575845776, ...], y_list=[0.09194802783597496, 0.11149424234758534, 0.12682489760803015, 0.1373623934441157, 0.14265272959993053, 0.1423745569281693, 0.13635663527612948, 0.12460481620361566, 0.10733878451630213, 0.08503686973304514, 0.05848360338091038, 0.028808880110578368, -0.0024998612944434786, -0.03363712455003991, -0.06259367197132981, -0.08735219099929338, -0.10613792800476711, -0.1176626219662195, -0.12128804520673513, -0.1170622361010929, ...])
    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([-0.12119945, -0.11324318, -0.09800243, -0...08490833, -0.10269573, -0.11532365, -0.12175633]), y = array([-0.00249986, -0.03363712, -0.06259367, -0...10733878, 0.08503687, 0.0584836 , 0.02880888]), s undefined, per undefined
 /usr/lib/python3/dist-packages/scipy/interpolate/_fitpack_py.py in splprep(x=[array([-0.12119945, -0.11324318, -0.09800243, -0...08490833, -0.10269573, -0.11532365, -0.12175633]), array([-0.00249986, -0.03363712, -0.06259367, -0...10733878, 0.08503687, 0.0584836 , 0.02880888])], 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([-0.12119945, -0.11324318, -0.09800243, -0...08490833, -0.10269573, -0.11532365, -0.12175633]), array([-0.00249986, -0.03363712, -0.06259367, -0...10733878, 0.08503687, 0.0584836 , 0.02880888])], 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([[-0.12119945, -0.11324318, -0.09800243, -...0733878, 0.08503687, 0.0584836 , -0.00249986]]), 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. , 0.03922151, 0.07915673, 0.119... 0.85453127, 0.88934572, 0.92522984, 1. ]), ub=0, ue=1, k=3, task=0, s=0.0, t=array([], dtype=float64), full_output=0, nest=35, 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([[-0.12119945, -0.11324318, -0.09800243, -...0733878, 0.08503687, 0.0584836 , -0.00249986]]), 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. , 0.03922151, 0.07915673, 0.119... 0.85453127, 0.88934572, 0.92522984, 1. ]), ub = 0, ue = 1, k = 3, task = 0, ipar = False, s = 0.0, nest = 35, 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>