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

Double Star Calculator - Orbit

- Revision:   $Rev: 1216 $
- Report created:   2025-07-11 17:29:28

Orbital Elements for RST4323
WDS: RST4323 WDS ID/Discoverer
P: 190.000 Orbital period (years)
a: 0.473 Semi-major axis (arcseconds)
i: 105.6 Inclination (degrees)
Ω: 24.7 Longitude of ascending node (degrees)
T: 2022.327 Epoch of periastron passage (year)
e: 0.935 Eccentricity
ω: 317.4 Longitude of periastron (degrees)
Start-Year: 1930.0 Year
End-Year: 2120.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for RST4323
Position: 065047.78-142349.8 Epoch-2000 right ascension and declination
WDS-ID: 06508-1423 WDS designation
Discoverer Code: RST4323 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 10.36 Magnitude of the primary
V2: 10.04 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2022 Date of last observation
Orbit grade: 3 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for RST4323
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ValueError		 Python 3.12.3: /usr/bin/python3
Fri Jul 11 17:29:28 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 = [0.43343680267268936, 0.43352445167420867, 0.4335464748851061, 0.43350275266572036, 0.4333931470424343, 0.43321750150479493, 0.4329756408107824, 0.432667370706442, 0.43229247765930323, 0.431850728541347, 0.4313418702821658, 0.43076562948782027, 0.4301217120239551, 0.4294098025615658, 0.42862956408364955, 0.427780637350783, 0.4268626403234775, 0.4258751675389446, 0.42481778943967785, 0.4236900516509993, ...], y_list = [-0.5475132153752248, -0.5492518480038915, -0.5509073362673078, -0.5524792817503121, -0.553967261755607, -0.5553708288550948, -0.5566895100929804, -0.55792280664535, -0.5590701930118972, -0.560131116343244, -0.5611049956858081, -0.5619912211738248, -0.5627891531656004, -0.5634981213207224, -0.5641174236147439, -0.5646463252874763, -0.5650840577207199, -0.5654298172408633, -0.5656827638413883, -0.56584201981985, ...]
 /var/www/cgi-bin/ds_orbit.py in Q_get_smoothed_orbit(x_list=[0.43343680267268936, 0.43352445167420867, 0.4335464748851061, 0.43350275266572036, 0.4333931470424343, 0.43321750150479493, 0.4329756408107824, 0.432667370706442, 0.43229247765930323, 0.431850728541347, 0.4313418702821658, 0.43076562948782027, 0.4301217120239551, 0.4294098025615658, 0.42862956408364955, 0.427780637350783, 0.4268626403234775, 0.4258751675389446, 0.42481778943967785, 0.4236900516509993, ...], y_list=[-0.5475132153752248, -0.5492518480038915, -0.5509073362673078, -0.5524792817503121, -0.553967261755607, -0.5553708288550948, -0.5566895100929804, -0.55792280664535, -0.5590701930118972, -0.560131116343244, -0.5611049956858081, -0.5619912211738248, -0.5627891531656004, -0.5634981213207224, -0.5641174236147439, -0.5646463252874763, -0.5650840577207199, -0.5654298172408633, -0.5656827638413883, -0.56584201981985, ...])
    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([-0.00908378, 0.01565604, 0.03726854, 0...2, 0.02262817, 0.00639673, -0.01031286]), y = array([-0.00353773, -0.06141709, -0.10219294, -0...5, 0.03059623, 0.03933574, 0.03986275]), s undefined, per undefined
 /usr/lib/python3/dist-packages/scipy/interpolate/_fitpack_py.py in splprep(x=[array([-0.00908378, 0.01565604, 0.03726854, 0...2, 0.02262817, 0.00639673, -0.01031286]), array([-0.00353773, -0.06141709, -0.10219294, -0...5, 0.03059623, 0.03933574, 0.03986275])], 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([-0.00908378, 0.01565604, 0.03726854, 0...2, 0.02262817, 0.00639673, -0.01031286]), array([-0.00353773, -0.06141709, -0.10219294, -0...5, 0.03059623, 0.03933574, 0.03986275])], 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([[-0.00908378, 0.01565604, 0.03726854, ... 0.03059623, 0.03933574, -0.00353773]]), 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. , 0.04128884, 0.07156058, 0.095...2757, 0.95800776, 0.97010002, 1. ]), ub=0, ue=1, k=3, task=0, s=0.0, t=array([], dtype=float64), full_output=0, nest=197, 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([[-0.00908378, 0.01565604, 0.03726854, ... 0.03059623, 0.03933574, -0.00353773]]), 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. , 0.04128884, 0.07156058, 0.095...2757, 0.95800776, 0.97010002, 1. ]), ub = 0, ue = 1, k = 3, task = 0, ipar = False, s = 0.0, nest = 197, 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>