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

Double Star Calculator - Orbit

- Revision:   $Rev: 1216 $
- Report created:   2025-07-11 19:41:26

Orbital Elements for HU292
WDS: HU292 WDS ID/Discoverer
P: 300.000 Orbital period (years)
a: 0.516 Semi-major axis (arcseconds)
i: 126.4 Inclination (degrees)
Ω: 101.7 Longitude of ascending node (degrees)
T: 1991.892 Epoch of periastron passage (year)
e: 0.606 Eccentricity
ω: 227.0 Longitude of periastron (degrees)
Start-Year: 1875.0 Year
End-Year: 2175.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HU292
Position: 232134.30-201743.5 Epoch-2000 right ascension and declination
WDS-ID: 23216-2018 WDS designation
Discoverer Code: HU292 Discover designation and components
ADS number: 16694 Aitken Double Star catalog
HD number: 220145 HD catalog number
Hipparcos number: 115329 Hipparcos catalog number
V1: 9.29 Magnitude of the primary
V2: 11.05 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2022 Date of last observation
Orbit grade: 5 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for HU292
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ValueError		 Python 3.12.3: /usr/bin/python3
Fri Jul 11 19:41:26 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 = [-0.47957301849968675, -0.47412494788853227, -0.46862054347201226, -0.4630600651197698, -0.45744377319317614, -0.45177192879639505, -0.4460447940369588, -0.4402626322965459, -0.43442570851269974, -0.42853428947227346, -0.422588644117433, -0.4165890438651191, -0.41053576294091737, -0.4044290787283512, -0.39826927213469304, -0.3920566279744602, -0.38579143505798247, -0.3794739877586656, -0.37310458487138143, -0.36668353106371426, ...], y_list = [0.31827238990949164, 0.3201455294204173, 0.32198062963823404, 0.3237772016739969, 0.3255347473377166, 0.32725275881759236, 0.3289307183479414, 0.3305680978652549, 0.33216435865177957, 0.33371895096599175, 0.3352313136593013, 0.3367008737782788, 0.338127046151668, 0.33950923296140634, 0.3408468232968236, 0.342139192691152, 0.34338570270045793, 0.34458570017558593, 0.345738517057119, 0.34684346963268703, ...]
 /var/www/cgi-bin/ds_orbit.py in Q_get_smoothed_orbit(x_list=[-0.47957301849968675, -0.47412494788853227, -0.46862054347201226, -0.4630600651197698, -0.45744377319317614, -0.45177192879639505, -0.4460447940369588, -0.4402626322965459, -0.43442570851269974, -0.42853428947227346, -0.422588644117433, -0.4165890438651191, -0.41053576294091737, -0.4044290787283512, -0.39826927213469304, -0.3920566279744602, -0.38579143505798247, -0.3794739877586656, -0.37310458487138143, -0.36668353106371426, ...], y_list=[0.31827238990949164, 0.3201455294204173, 0.32198062963823404, 0.3237772016739969, 0.3255347473377166, 0.32725275881759236, 0.3289307183479414, 0.3305680978652549, 0.33216435865177957, 0.33371895096599175, 0.3352313136593013, 0.3367008737782788, 0.338127046151668, 0.33950923296140634, 0.3408468232968236, 0.342139192691152, 0.34338570270045793, 0.34458570017558593, 0.345738517057119, 0.34684346963268703, ...])
    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([-0.67743234, -0.67492402, -0.67229604, -0... , -0.68425463, -0.68209616, -0.67982255]), y = array([-0.00225246, -0.00612976, -0.01000596, -0...4, 0.00937911, 0.00550263, 0.00162522]), s undefined, per undefined
 /usr/lib/python3/dist-packages/scipy/interpolate/_fitpack_py.py in splprep(x=[array([-0.67743234, -0.67492402, -0.67229604, -0... , -0.68425463, -0.68209616, -0.67982255]), array([-0.00225246, -0.00612976, -0.01000596, -0...4, 0.00937911, 0.00550263, 0.00162522])], 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([-0.67743234, -0.67492402, -0.67229604, -0... , -0.68425463, -0.68209616, -0.67982255]), array([-0.00225246, -0.00612976, -0.01000596, -0...4, 0.00937911, 0.00550263, 0.00162522])], 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([[-0.67743234, -0.67492402, -0.67229604, -... 0.00937911, 0.00550263, -0.00225246]]), 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. , 0.0019582 , 0.00394404, 0.005...2329, 0.99428118, 0.99616262, 1. ]), ub=0, ue=1, k=3, task=0, s=0.0, t=array([], dtype=float64), full_output=0, nest=307, 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([[-0.67743234, -0.67492402, -0.67229604, -... 0.00937911, 0.00550263, -0.00225246]]), 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. , 0.0019582 , 0.00394404, 0.005...2329, 0.99428118, 0.99616262, 1. ]), ub = 0, ue = 1, k = 3, task = 0, ipar = False, s = 0.0, nest = 307, 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>