Double Star Calculator - Orbit

Orbital Elements for CHR176
WDS: CHR176 WDS ID/Discoverer
P: 20.730 Orbital period (years)
a: 0.1141 Semi-major axis (arcseconds)
i: 76.3 Inclination (degrees)
Ω: 22.2 Longitude of ascending node (degrees)
T: 1999.780 Epoch of periastron passage (year)
e: 0.373 Eccentricity
ω: 259.7 Longitude of periastron (degrees)
Start-Year: 2014.635 Year
End-Year: 2035.365 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for CHR176
Position: 094436.62+645902.6 Epoch-2000 right ascension and declination
WDS-ID: 09446+6459 WDS designation
Discoverer Code: CHR176 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 83962 HD catalog number
Hipparcos number: 47791 Hipparcos catalog number
V1: 6.2 Magnitude of the primary
V2: . Magnitude of the secondary
Equinox: Equinox
Date: Date of last observation
Orbit grade: 2 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: Mit2020 Reference

Double Star Orbit for CHR176



WDS 6th Orbit including measures of CHR176

-- 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 CHR176
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.109    32.95
--------------------------
2014.63    0.077   181.42
2014.73    0.078   182.25
2014.83    0.080   183.05
2014.93    0.081   183.81
2015.03    0.083   184.55
2015.13    0.084   185.27
2015.23    0.085   185.96
2015.33    0.087   186.64
2015.43    0.088   187.29
2015.53    0.089   187.93
2015.63    0.090   188.55
2015.73    0.091   189.16
2015.83    0.092   189.75
2015.93    0.093   190.33
2016.03    0.094   190.89
2016.13    0.095   191.45
2016.23    0.096   192.00
2016.33    0.096   192.54
2016.43    0.097   193.07
2016.53    0.098   193.60
2016.63    0.098   194.12
2016.73    0.098   194.63
2016.83    0.099   195.14
2016.93    0.099   195.65
2017.03    0.099   196.16
2017.13    0.099   196.67
2017.23    0.099   197.18
2017.33    0.099   197.68
2017.43    0.098   198.20
2017.53    0.098   198.71
2017.63    0.097   199.23
2017.73    0.097   199.76
2017.83    0.096   200.30
2017.93    0.095   200.84
2018.03    0.094   201.40
2018.13    0.093   201.97
2018.23    0.091   202.56
2018.33    0.090   203.16
2018.43    0.088   203.79
2018.53    0.086   204.45
2018.63    0.084   205.13
2018.73    0.082   205.86
2018.83    0.080   206.62
2018.93    0.077   207.43
2019.03    0.074   208.30
2019.13    0.071   209.23
2019.23    0.068   210.25
2019.33    0.065   211.36
2019.43    0.062   212.59
2019.53    0.058   213.97
2019.63    0.055   215.53
2019.73    0.051   217.32
2019.83    0.047   219.41
2019.93    0.043   221.88
2020.03    0.039   224.86
2020.13    0.035   228.53
2020.23    0.031   233.17
2020.33    0.027   239.18
2020.43    0.023   247.09
2020.53    0.020   257.61
2020.63    0.018   271.25
2020.73    0.017   287.57
2020.83    0.017   304.50
2020.93    0.019   319.52
2021.03    0.022   331.45
2021.13    0.025   340.47
2021.23    0.029   347.26
2021.33    0.033   352.46
2021.43    0.037   356.52
2021.53    0.041   359.78
2021.63    0.045     2.45
2021.73    0.049     4.67
2021.83    0.053     6.57
2021.93    0.057     8.20
2022.03    0.061     9.62
2022.13    0.065    10.89
2022.23    0.068    12.02
2022.33    0.071    13.04
2022.43    0.075    13.97
2022.53    0.078    14.83
2022.63    0.081    15.62
2022.73    0.084    16.35
2022.83    0.086    17.04
2022.93    0.089    17.69
2023.03    0.091    18.30
2023.13    0.093    18.89
2023.23    0.096    19.44
2023.33    0.098    19.97
2023.43    0.100    20.49
2023.53    0.101    20.98
2023.63    0.103    21.46
2023.73    0.104    21.92
2023.83    0.106    22.37
2023.93    0.107    22.81
2024.03    0.108    23.24
2024.13    0.109    23.66
2024.23    0.110    24.07
2024.33    0.111    24.48
2024.43    0.112    24.88
2024.53    0.112    25.27
2024.63    0.113    25.66
2024.73    0.113    26.05
2024.83    0.114    26.44
2024.93    0.114    26.82
2025.03    0.114    27.20
2025.13    0.114    27.58
2025.23    0.114    27.96
2025.33    0.114    28.34
2025.43    0.114    28.73
2025.53    0.114    29.11
2025.63    0.114    29.49
2025.73    0.113    29.88
2025.83    0.113    30.27
2025.93    0.112    30.66
2026.03    0.112    31.05
2026.13    0.111    31.45
2026.23    0.111    31.86
2026.33    0.110    32.27
2026.43    0.109    32.68
2026.53    0.108    33.10
2026.63    0.107    33.53
2026.73    0.106    33.96
2026.83    0.106    34.40
2026.93    0.105    34.85
2027.03    0.103    35.31
2027.13    0.102    35.78
2027.23    0.101    36.26
2027.33    0.100    36.75
2027.43    0.099    37.26
2027.53    0.098    37.77
2027.63    0.096    38.30
2027.73    0.095    38.85
2027.83    0.094    39.41
2027.93    0.092    39.98
2028.03    0.091    40.58
2028.13    0.089    41.19
2028.23    0.088    41.83
2028.33    0.086    42.48
2028.43    0.085    43.16
2028.53    0.083    43.87
2028.63    0.082    44.60
2028.73    0.080    45.36
2028.83    0.078    46.15
2028.93    0.077    46.98
2029.03    0.075    47.84
2029.13    0.074    48.74
2029.23    0.072    49.67
2029.33    0.070    50.66
2029.43    0.069    51.69
2029.53    0.067    52.77
2029.63    0.065    53.91
2029.73    0.064    55.11
2029.83    0.062    56.37
2029.93    0.060    57.70
2030.03    0.059    59.11
2030.13    0.057    60.59
2030.23    0.055    62.17
2030.33    0.054    63.83
2030.43    0.052    65.59
2030.53    0.051    67.46
2030.63    0.049    69.44
2030.73    0.048    71.54
2030.83    0.047    73.77
2030.93    0.045    76.13
2031.03    0.044    78.63
2031.13    0.043    81.27
2031.23    0.042    84.05
2031.33    0.041    86.98
2031.43    0.040    90.05
2031.53    0.039    93.25
2031.63    0.038    96.58
2031.73    0.038   100.02
2031.83    0.037   103.56
2031.93    0.037   107.17
2032.03    0.037   110.82
2032.13    0.037   114.50
2032.23    0.037   118.18
2032.33    0.037   121.82
2032.43    0.037   125.40
2032.53    0.038   128.90
2032.63    0.039   132.30
2032.73    0.039   135.58
2032.83    0.040   138.73
2032.93    0.041   141.75
2033.03    0.042   144.62
2033.13    0.043   147.35
2033.23    0.044   149.93
2033.33    0.046   152.38
2033.43    0.047   154.69
2033.53    0.048   156.87
2033.63    0.050   158.93
2033.73    0.051   160.87
2033.83    0.053   162.71
2033.93    0.054   164.44
2034.03    0.056   166.08
2034.13    0.057   167.62
2034.23    0.059   169.09
2034.33    0.061   170.47
2034.43    0.062   171.79
2034.53    0.064   173.04
2034.63    0.065   174.23
2034.73    0.067   175.36
2034.83    0.069   176.44
2034.93    0.070   177.47
2035.03    0.072   178.45
2035.13    0.073   179.40
2035.23    0.075   180.30
2035.33    0.076   181.17






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 16:20:34



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