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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:56:12

Orbital Elements for HDS1462

WDS:	HDS1462	WDS ID/Discoverer
P:	120.000	Orbital period (years)
a:	0.291	Semi-major axis (arcseconds)
i:	89.6	Inclination (degrees)
Ω:	67.9	Longitude of ascending node (degrees)
T:	2023.863	Epoch of periastron passage (year)
e:	0.85	Eccentricity
ω:	202.0	Longitude of periastron (degrees)
Start-Year:	1965.0	Year
End-Year:	2085.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS1462

Position:	100852.79-294458.5	Epoch-2000 right ascension and declination
WDS-ID:	10089-2945	WDS designation
Discoverer Code:	HDS1462	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	88088	HD catalog number
Hipparcos number:	49709	Hipparcos catalog number
V1:	8.91	Magnitude of the primary
V2:	9.26	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2022	Date of last observation
Orbit grade:	4	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for HDS1462

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ValueError

Python 3.12.3: /usr/bin/python3
Fri Jul 11 17:56:12 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 = [-0.4611763340988342, -0.459353639811159, -0.4573315346741967, -0.4551103164294373, -0.45269015157585024, -0.45007107575686195, -0.4472529931501108, -0.4442356757971816, -0.4410187622786263, -0.4376017559216406, -0.4339840224937222, -0.4301647873600515, -0.426143132077184, -0.4219179903900473, -0.4174881435930753, -0.41285221520945803, -0.4080086649348453, -0.4029557817832134, -0.39769167636283687, -0.3922142721991775, ...], y_list = [0.18571070539607218, 0.18494137112945758, 0.1840917516318679, 0.18316198223480895, 0.1821521455467196, 0.18106227165887803, 0.17989233794321738, 0.1786422688340546, 0.1773119353458062, 0.17590115440563986, 0.17440968798232376, 0.17283724200286021, 0.17118346504648238, 0.16944794680341024, 0.16763021628337427, 0.1657297397562597, 0.16374591840427638, 0.1616780856617349, 0.15952550421475958, 0.15728736262900359, ...]

/var/www/cgi-bin/ds_orbit.py in Q_get_smoothed_orbit(x_list=[-0.4611763340988342, -0.459353639811159, -0.4573315346741967, -0.4551103164294373, -0.45269015157585024, -0.45007107575686195, -0.4472529931501108, -0.4442356757971816, -0.4410187622786263, -0.4376017559216406, -0.4339840224937222, -0.4301647873600515, -0.426143132077184, -0.4219179903900473, -0.4174881435930753, -0.41285221520945803, -0.4080086649348453, -0.4029557817832134, -0.39769167636283687, -0.3922142721991775, ...], y_list=[0.18571070539607218, 0.18494137112945758, 0.1840917516318679, 0.18316198223480895, 0.1821521455467196, 0.18106227165887803, 0.17989233794321738, 0.1786422688340546, 0.1773119353458062, 0.17590115440563986, 0.17440968798232376, 0.17283724200286021, 0.17118346504648238, 0.16944794680341024, 0.16763021628337427, 0.1657297397562597, 0.16374591840427638, 0.1616780856617349, 0.15952550421475958, 0.15728736262900359, ...])

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([ 0.01358818, 0.03074261, 0.04238583, 0...9, -0.04048582, -0.02281888, -0.0046702 ]), y = array([-0.00626773, -0.01300023, -0.01741645, -0... , 0.01523357, 0.00818448, 0.00096378]), s undefined, per undefined

/usr/lib/python3/dist-packages/scipy/interpolate/_fitpack_py.py in splprep(x=[array([ 0.01358818, 0.03074261, 0.04238583, 0...9, -0.04048582, -0.02281888, -0.0046702 ]), array([-0.00626773, -0.01300023, -0.01741645, -0... , 0.01523357, 0.00818448, 0.00096378])], 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([ 0.01358818, 0.03074261, 0.04238583, 0...9, -0.04048582, -0.02281888, -0.0046702 ]), array([-0.00626773, -0.01300023, -0.01741645, -0... , 0.01523357, 0.00818448, 0.00096378])], 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([[ 0.01358818, 0.03074261, 0.04238583, ... 0.01523357, 0.00818448, -0.00626773]]), 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. , 0.01672189, 0.02802144, 0.035...1147, 0.94719636, 0.96445638, 1. ]), ub=0, ue=1, k=3, task=0, s=0.0, t=array([], dtype=float64), full_output=0, nest=127, 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([[ 0.01358818, 0.03074261, 0.04238583, ... 0.01523357, 0.00818448, -0.00626773]]), 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. , 0.01672189, 0.02802144, 0.035...1147, 0.94719636, 0.96445638, 1. ]), ub = 0, ue = 1, k = 3, task = 0, ipar = False, s = 0.0, nest = 127, 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>