Double Star Calculator - Orbit

Orbital Elements for CHR130

WDS:	CHR130	WDS ID/Discoverer
P:	20.960	Orbital period (years)
a:	0.0762	Semi-major axis (arcseconds)
i:	89.0	Inclination (degrees)
Ω:	160.4	Longitude of ascending node (degrees)
T:	2011.480	Epoch of periastron passage (year)
e:	0.98	Eccentricity
ω:	149.2	Longitude of periastron (degrees)
Start-Year:	2014.52	Year
End-Year:	2035.48	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for CHR130
Position:	084020.17+192056.5	Epoch-2000 right ascension and declination
WDS-ID:	08403+1921	WDS designation
Discoverer Code:	CHR130	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	73712	HD catalog number
Hipparcos number:	42542	Hipparcos catalog number
V1:	6.78	Magnitude of the primary
V2:	8.5	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2024	Date of last observation
Orbit grade:	3	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:	n	Flags
Ephemerides:		Ephemerides
Code:	Tok2024b	Reference

Double Star Orbit for CHR130

WDS 6th Orbit including measures of CHR130

-- Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements) --

Legend:

Green plus signs:	Visual (micrometric) measures
Violet asterisks:	Photographic measures
Blue symbols:	Various interferometric techniques
Dot-dash line:	Indicates the line of nodes

Ephemeris of CHR130

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.119   159.90
--------------------------
2014.52    0.075   159.58
2014.62    0.076   159.58
2014.72    0.078   159.59
2014.82    0.079   159.60
2014.92    0.081   159.60
2015.02    0.082   159.61
2015.12    0.084   159.61
2015.22    0.085   159.62
2015.32    0.086   159.62
2015.42    0.087   159.62
2015.52    0.089   159.63
2015.62    0.090   159.63
2015.72    0.091   159.64
2015.82    0.092   159.64
2015.92    0.094   159.65
2016.02    0.095   159.65
2016.12    0.096   159.65
2016.22    0.097   159.66
2016.32    0.098   159.66
2016.42    0.099   159.66
2016.52    0.100   159.67
2016.62    0.101   159.67
2016.72    0.102   159.68
2016.82    0.103   159.68
2016.92    0.104   159.68
2017.02    0.105   159.68
2017.12    0.106   159.69
2017.22    0.107   159.69
2017.32    0.108   159.69
2017.42    0.108   159.70
2017.52    0.109   159.70
2017.62    0.110   159.70
2017.72    0.111   159.71
2017.82    0.112   159.71
2017.92    0.112   159.71
2018.02    0.113   159.71
2018.12    0.114   159.72
2018.22    0.115   159.72
2018.32    0.115   159.72
2018.42    0.116   159.72
2018.52    0.117   159.73
2018.62    0.117   159.73
2018.72    0.118   159.73
2018.82    0.118   159.73
2018.92    0.119   159.74
2019.02    0.120   159.74
2019.12    0.120   159.74
2019.22    0.121   159.74
2019.32    0.121   159.75
2019.42    0.122   159.75
2019.52    0.122   159.75
2019.62    0.123   159.75
2019.72    0.123   159.76
2019.82    0.124   159.76
2019.92    0.124   159.76
2020.02    0.124   159.76
2020.12    0.125   159.76
2020.22    0.125   159.77
2020.32    0.126   159.77
2020.42    0.126   159.77
2020.52    0.126   159.77
2020.62    0.127   159.78
2020.72    0.127   159.78
2020.82    0.127   159.78
2020.92    0.128   159.78
2021.02    0.128   159.78
2021.12    0.128   159.79
2021.22    0.128   159.79
2021.32    0.129   159.79
2021.42    0.129   159.79
2021.52    0.129   159.79
2021.62    0.129   159.80
2021.72    0.129   159.80
2021.82    0.129   159.80
2021.92    0.130   159.80
2022.02    0.130   159.81
2022.12    0.130   159.81
2022.22    0.130   159.81
2022.32    0.130   159.81
2022.42    0.130   159.81
2022.52    0.130   159.82
2022.62    0.130   159.82
2022.72    0.130   159.82
2022.82    0.130   159.82
2022.92    0.130   159.82
2023.02    0.130   159.83
2023.12    0.130   159.83
2023.22    0.130   159.83
2023.32    0.130   159.83
2023.42    0.130   159.83
2023.52    0.130   159.84
2023.62    0.129   159.84
2023.72    0.129   159.84
2023.82    0.129   159.84
2023.92    0.129   159.84
2024.02    0.129   159.85
2024.12    0.129   159.85
2024.22    0.128   159.85
2024.32    0.128   159.85
2024.42    0.128   159.85
2024.52    0.128   159.86
2024.62    0.127   159.86
2024.72    0.127   159.86
2024.82    0.127   159.86
2024.92    0.126   159.87
2025.02    0.126   159.87
2025.12    0.126   159.87
2025.22    0.125   159.87
2025.32    0.125   159.87
2025.42    0.124   159.88
2025.52    0.124   159.88
2025.62    0.123   159.88
2025.72    0.123   159.88
2025.82    0.122   159.89
2025.92    0.122   159.89
2026.02    0.121   159.89
2026.12    0.121   159.89
2026.22    0.120   159.89
2026.32    0.120   159.90
2026.42    0.119   159.90
2026.52    0.118   159.90
2026.62    0.118   159.90
2026.72    0.117   159.91
2026.82    0.116   159.91
2026.92    0.116   159.91
2027.02    0.115   159.91
2027.12    0.114   159.92
2027.22    0.113   159.92
2027.32    0.113   159.92
2027.42    0.112   159.93
2027.52    0.111   159.93
2027.62    0.110   159.93
2027.72    0.109   159.93
2027.82    0.108   159.94
2027.92    0.107   159.94
2028.02    0.106   159.94
2028.12    0.105   159.95
2028.22    0.104   159.95
2028.32    0.103   159.95
2028.42    0.102   159.96
2028.52    0.101   159.96
2028.62    0.100   159.96
2028.72    0.099   159.97
2028.82    0.097   159.97
2028.92    0.096   159.97
2029.02    0.095   159.98
2029.12    0.094   159.98
2029.22    0.092   159.99
2029.32    0.091   159.99
2029.42    0.090   159.99
2029.52    0.088   160.00
2029.62    0.087   160.00
2029.72    0.085   160.01
2029.82    0.083   160.01
2029.92    0.082   160.02
2030.02    0.080   160.02
2030.12    0.078   160.03
2030.22    0.077   160.03
2030.32    0.075   160.04
2030.42    0.073   160.05
2030.52    0.071   160.05
2030.62    0.069   160.06
2030.72    0.067   160.07
2030.82    0.065   160.08
2030.92    0.062   160.08
2031.02    0.060   160.09
2031.12    0.058   160.10
2031.22    0.055   160.11
2031.32    0.052   160.13
2031.42    0.050   160.14
2031.52    0.047   160.15
2031.62    0.043   160.17
2031.72    0.040   160.19
2031.82    0.037   160.22
2031.92    0.033   160.24
2032.02    0.029   160.28
2032.12    0.024   160.33
2032.22    0.019   160.41
2032.32    0.012   160.56
2032.42    0.002   161.81
2032.52    0.002   155.70
2032.62    0.007   158.28
2032.72    0.011   158.72
2032.82    0.015   158.93
2032.92    0.019   159.05
2033.02    0.022   159.13
2033.12    0.025   159.19
2033.22    0.028   159.24
2033.32    0.031   159.28
2033.42    0.034   159.32
2033.52    0.036   159.34
2033.62    0.039   159.37
2033.72    0.041   159.39
2033.82    0.044   159.41
2033.92    0.046   159.43
2034.02    0.048   159.44
2034.12    0.050   159.46
2034.22    0.053   159.47
2034.32    0.055   159.48
2034.42    0.057   159.49
2034.52    0.058   159.50
2034.62    0.060   159.51
2034.72    0.062   159.52
2034.82    0.064   159.53
2034.92    0.066   159.54
2035.02    0.067   159.55
2035.12    0.069   159.55
2035.22    0.071   159.56
2035.32    0.072   159.57
2035.42    0.074   159.57

Disclaimer

This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. Unless otherwise noted, all output generated by the Double Star Calculator including orbit diagrams, ephemerides, and analytical reports is licensed under CC BY 4.0.

Acknowledgements

The Double Star Calculator - Orbital Elements makes use of the Washington Double Star Sixth Catalog of Orbits of Visual Binary Stars, maintained at the U.S. Naval Observatory.

Report Information

Double Star Calculator:		Version 1.2 ($Rev: 2397 $)
Report created:		2026-06-25 16:09:26