Double Star Calculator - Orbit

Orbital Elements for HEI449
WDS: HEI449 WDS ID/Discoverer
P: 32.410 Orbital period (years)
a: 0.165 Semi-major axis (arcseconds)
i: 114.6 Inclination (degrees)
Ω: 55.6 Longitude of ascending node (degrees)
T: 2001.350 Epoch of periastron passage (year)
e: 0.806 Eccentricity
ω: 180.4 Longitude of periastron (degrees)
Start-Year: 2008.795 Year
End-Year: 2041.205 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HEI449
Position: 032118.10+103747.4 Epoch-2000 right ascension and declination
WDS-ID: 03213+1038 WDS designation
Discoverer Code: HEI449 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 20779 HD catalog number
Hipparcos number: 15633 Hipparcos catalog number
V1: 9.19 Magnitude of the primary
V2: 9.43 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2021 Date of last observation
Orbit grade: 3 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: Tok2021c Reference

Double Star Orbit for HEI449



WDS 6th Orbit including measures of HEI449

-- 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 HEI449
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.219    46.22
--------------------------
2008.80    0.223    64.32
2008.89    0.225    64.18
2008.99    0.227    64.03
2009.09    0.229    63.89
2009.19    0.230    63.74
2009.29    0.232    63.61
2009.39    0.234    63.47
2009.49    0.236    63.33
2009.59    0.237    63.20
2009.69    0.239    63.07
2009.79    0.240    62.94
2009.89    0.242    62.81
2009.99    0.243    62.68
2010.09    0.245    62.56
2010.19    0.246    62.44
2010.29    0.248    62.31
2010.39    0.249    62.19
2010.49    0.251    62.07
2010.59    0.252    61.96
2010.69    0.253    61.84
2010.79    0.255    61.72
2010.89    0.256    61.61
2010.99    0.257    61.50
2011.09    0.259    61.38
2011.19    0.260    61.27
2011.29    0.261    61.16
2011.39    0.262    61.06
2011.49    0.264    60.95
2011.59    0.265    60.84
2011.69    0.266    60.74
2011.79    0.267    60.63
2011.89    0.268    60.53
2011.99    0.269    60.42
2012.09    0.270    60.32
2012.19    0.271    60.22
2012.29    0.272    60.12
2012.39    0.273    60.02
2012.49    0.274    59.92
2012.59    0.275    59.82
2012.69    0.276    59.72
2012.79    0.277    59.62
2012.89    0.278    59.53
2012.99    0.279    59.43
2013.09    0.280    59.34
2013.19    0.281    59.24
2013.29    0.281    59.15
2013.39    0.282    59.05
2013.49    0.283    58.96
2013.59    0.284    58.87
2013.69    0.284    58.77
2013.79    0.285    58.68
2013.89    0.286    58.59
2013.99    0.286    58.50
2014.09    0.287    58.41
2014.19    0.288    58.32
2014.29    0.288    58.23
2014.39    0.289    58.14
2014.49    0.290    58.05
2014.59    0.290    57.96
2014.69    0.291    57.87
2014.79    0.291    57.79
2014.89    0.292    57.70
2014.99    0.292    57.61
2015.09    0.293    57.52
2015.19    0.293    57.44
2015.29    0.293    57.35
2015.39    0.294    57.26
2015.49    0.294    57.18
2015.59    0.295    57.09
2015.69    0.295    57.00
2015.79    0.295    56.92
2015.89    0.296    56.83
2015.99    0.296    56.75
2016.09    0.296    56.66
2016.19    0.296    56.58
2016.29    0.297    56.49
2016.39    0.297    56.41
2016.49    0.297    56.32
2016.59    0.297    56.24
2016.69    0.297    56.16
2016.79    0.297    56.07
2016.89    0.298    55.99
2016.99    0.298    55.90
2017.09    0.298    55.82
2017.19    0.298    55.74
2017.29    0.298    55.65
2017.39    0.298    55.57
2017.49    0.298    55.48
2017.59    0.298    55.40
2017.69    0.298    55.32
2017.79    0.298    55.23
2017.89    0.298    55.15
2017.99    0.298    55.06
2018.09    0.298    54.98
2018.19    0.298    54.90
2018.29    0.297    54.81
2018.39    0.297    54.73
2018.49    0.297    54.64
2018.59    0.297    54.56
2018.69    0.297    54.47
2018.79    0.296    54.39
2018.89    0.296    54.30
2018.99    0.296    54.22
2019.09    0.296    54.13
2019.19    0.295    54.05
2019.29    0.295    53.96
2019.39    0.295    53.88
2019.49    0.294    53.79
2019.59    0.294    53.71
2019.69    0.294    53.62
2019.79    0.293    53.53
2019.89    0.293    53.45
2019.99    0.292    53.36
2020.09    0.292    53.27
2020.19    0.291    53.18
2020.29    0.291    53.10
2020.39    0.290    53.01
2020.49    0.290    52.92
2020.59    0.289    52.83
2020.69    0.289    52.74
2020.79    0.288    52.65
2020.89    0.287    52.56
2020.99    0.287    52.47
2021.09    0.286    52.38
2021.19    0.285    52.29
2021.29    0.285    52.20
2021.39    0.284    52.11
2021.49    0.283    52.01
2021.59    0.283    51.92
2021.69    0.282    51.83
2021.79    0.281    51.73
2021.89    0.280    51.64
2021.99    0.279    51.54
2022.09    0.278    51.45
2022.19    0.278    51.35
2022.29    0.277    51.25
2022.39    0.276    51.16
2022.49    0.275    51.06
2022.59    0.274    50.96
2022.69    0.273    50.86
2022.79    0.272    50.76
2022.89    0.271    50.66
2022.99    0.270    50.56
2023.09    0.269    50.45
2023.19    0.268    50.35
2023.29    0.267    50.24
2023.39    0.265    50.14
2023.49    0.264    50.03
2023.59    0.263    49.93
2023.69    0.262    49.82
2023.79    0.261    49.71
2023.89    0.260    49.60
2023.99    0.258    49.49
2024.09    0.257    49.38
2024.19    0.256    49.26
2024.29    0.254    49.15
2024.39    0.253    49.03
2024.49    0.252    48.91
2024.59    0.250    48.80
2024.69    0.249    48.68
2024.79    0.247    48.56
2024.89    0.246    48.43
2024.99    0.244    48.31
2025.09    0.243    48.18
2025.19    0.241    48.06
2025.29    0.240    47.93
2025.39    0.238    47.80
2025.49    0.237    47.66
2025.59    0.235    47.53
2025.69    0.233    47.39
2025.79    0.232    47.26
2025.89    0.230    47.12
2025.99    0.228    46.97
2026.09    0.226    46.83
2026.19    0.225    46.68
2026.29    0.223    46.54
2026.39    0.221    46.38
2026.49    0.219    46.23
2026.59    0.217    46.07
2026.69    0.215    45.91
2026.79    0.213    45.75
2026.89    0.211    45.59
2026.99    0.209    45.42
2027.09    0.207    45.25
2027.19    0.205    45.07
2027.29    0.203    44.89
2027.39    0.201    44.71
2027.49    0.199    44.52
2027.59    0.196    44.33
2027.69    0.194    44.14
2027.79    0.192    43.94
2027.89    0.190    43.73
2027.99    0.187    43.52
2028.09    0.185    43.31
2028.19    0.183    43.09
2028.29    0.180    42.86
2028.39    0.178    42.63
2028.49    0.175    42.39
2028.59    0.173    42.14
2028.69    0.170    41.89
2028.79    0.167    41.63
2028.89    0.165    41.36
2028.99    0.162    41.08
2029.09    0.159    40.79
2029.19    0.157    40.49
2029.29    0.154    40.18
2029.39    0.151    39.86
2029.49    0.148    39.53
2029.59    0.145    39.18
2029.69    0.142    38.82
2029.79    0.139    38.44
2029.89    0.136    38.05
2029.99    0.133    37.64
2030.09    0.130    37.21
2030.19    0.127    36.75
2030.29    0.123    36.27
2030.39    0.120    35.77
2030.49    0.117    35.24
2030.59    0.113    34.67
2030.69    0.110    34.07
2030.79    0.106    33.44
2030.89    0.103    32.75
2030.99    0.099    32.02
2031.09    0.095    31.23
2031.19    0.092    30.38
2031.29    0.088    29.45
2031.39    0.084    28.44
2031.49    0.080    27.33
2031.59    0.076    26.10
2031.69    0.072    24.74
2031.79    0.068    23.22
2031.89    0.064    21.50
2031.99    0.060    19.54
2032.09    0.055    17.29
2032.19    0.051    14.67
2032.29    0.047    11.58
2032.39    0.043     7.88
2032.49    0.039     3.40
2032.59    0.035   357.89
2032.69    0.031   351.03
2032.79    0.028   342.45
2032.89    0.025   331.83
2032.99    0.023   319.15
2033.09    0.023   305.03
2033.19    0.023   290.71
2033.29    0.025   277.47
2033.39    0.027   265.98
2033.49    0.029   256.22
2033.59    0.031   247.78
2033.69    0.032   240.18
2033.79    0.032   232.88
2033.89    0.031   225.38
2033.99    0.029   217.14
2034.09    0.027   207.64
2034.19    0.025   196.42
2034.29    0.023   183.31
2034.39    0.022   168.86
2034.49    0.023   154.30
2034.59    0.025   141.06
2034.69    0.027   129.89
2034.79    0.030   120.89
2034.89    0.034   113.71
2034.99    0.038   107.98
2035.09    0.042   103.35
2035.19    0.046    99.55
2035.29    0.051    96.38
2035.39    0.055    93.70
2035.49    0.059    91.41
2035.59    0.063    89.42
2035.69    0.068    87.68
2035.79    0.072    86.14
2035.89    0.076    84.77
2035.99    0.080    83.54
2036.09    0.084    82.42
2036.19    0.088    81.40
2036.29    0.091    80.47
2036.39    0.095    79.62
2036.49    0.099    78.83
2036.59    0.103    78.09
2036.69    0.106    77.41
2036.79    0.110    76.77
2036.89    0.113    76.17
2036.99    0.117    75.60
2037.09    0.120    75.07
2037.19    0.123    74.57
2037.29    0.127    74.09
2037.39    0.130    73.64
2037.49    0.133    73.21
2037.59    0.136    72.80
2037.69    0.139    72.40
2037.79    0.142    72.03
2037.89    0.145    71.67
2037.99    0.148    71.32
2038.09    0.151    70.99
2038.19    0.154    70.67
2038.29    0.157    70.36
2038.39    0.160    70.06
2038.49    0.162    69.78
2038.59    0.165    69.50
2038.69    0.168    69.23
2038.79    0.170    68.97
2038.89    0.173    68.72
2038.99    0.176    68.47
2039.09    0.178    68.23
2039.19    0.181    68.00
2039.29    0.183    67.77
2039.39    0.185    67.56
2039.49    0.188    67.34
2039.59    0.190    67.13
2039.69    0.192    66.93
2039.79    0.195    66.73
2039.89    0.197    66.53
2039.99    0.199    66.34
2040.09    0.201    66.16
2040.19    0.203    65.98
2040.29    0.205    65.80
2040.39    0.208    65.62
2040.49    0.210    65.45
2040.59    0.212    65.28
2040.69    0.214    65.12
2040.79    0.216    64.96
2040.89    0.218    64.80
2040.99    0.219    64.64
2041.09    0.221    64.49
2041.19    0.223    64.34






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 15:09:50



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