Double Star Calculator - Orbit

Orbital Elements for A2307
WDS: A2307 WDS ID/Discoverer
P: 58.800 Orbital period (years)
a: 0.2336 Semi-major axis (arcseconds)
i: 73.4 Inclination (degrees)
Ω: 41.16 Longitude of ascending node (degrees)
T: 2012.811 Epoch of periastron passage (year)
e: 0.429 Eccentricity
ω: 179.8 Longitude of periastron (degrees)
Start-Year: 1995.6 Year
End-Year: 2054.4 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for A2307
Position: 005319.51+040510.7 Epoch-2000 right ascension and declination
WDS-ID: 00533+0405 WDS designation
Discoverer Code: A2307 Discover designation and components
ADS number: 732 Aitken Double Star catalog
HD number: 5143 HD catalog number
Hipparcos number: 4176 Hipparcos catalog number
V1: 7.55 Magnitude of the primary
V2: 8.79 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: n Flags
Ephemerides: Ephemerides
Code: CIA2022f Reference

Double Star Orbit for A2307



WDS 6th Orbit including measures of A2307

-- 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 A2307
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.179    22.29
--------------------------
1995.60    0.241    52.86
1995.70    0.240    53.01
1995.80    0.238    53.16
1995.90    0.237    53.31
1996.00    0.235    53.47
1996.10    0.233    53.62
1996.20    0.232    53.78
1996.30    0.230    53.95
1996.40    0.229    54.11
1996.50    0.227    54.28
1996.60    0.225    54.44
1996.70    0.224    54.62
1996.80    0.222    54.79
1996.90    0.220    54.97
1997.00    0.219    55.15
1997.10    0.217    55.33
1997.20    0.215    55.51
1997.30    0.213    55.70
1997.40    0.212    55.89
1997.50    0.210    56.09
1997.60    0.208    56.28
1997.70    0.206    56.48
1997.80    0.204    56.69
1997.90    0.203    56.90
1998.00    0.201    57.11
1998.10    0.199    57.32
1998.20    0.197    57.54
1998.30    0.195    57.77
1998.40    0.193    58.00
1998.50    0.192    58.23
1998.60    0.190    58.47
1998.70    0.188    58.71
1998.80    0.186    58.95
1998.90    0.184    59.21
1999.00    0.182    59.46
1999.10    0.180    59.73
1999.20    0.178    59.99
1999.30    0.176    60.27
1999.40    0.174    60.55
1999.50    0.172    60.84
1999.60    0.170    61.13
1999.70    0.168    61.43
1999.80    0.166    61.74
1999.90    0.164    62.06
2000.00    0.162    62.38
2000.10    0.160    62.71
2000.20    0.158    63.05
2000.30    0.156    63.40
2000.40    0.154    63.76
2000.50    0.152    64.13
2000.60    0.150    64.51
2000.70    0.148    64.90
2000.80    0.146    65.30
2000.90    0.144    65.71
2001.00    0.142    66.13
2001.10    0.139    66.57
2001.20    0.137    67.02
2001.30    0.135    67.48
2001.40    0.133    67.96
2001.50    0.131    68.46
2001.60    0.129    68.97
2001.70    0.127    69.50
2001.80    0.124    70.05
2001.90    0.122    70.61
2002.00    0.120    71.20
2002.10    0.118    71.80
2002.20    0.116    72.43
2002.30    0.114    73.09
2002.40    0.112    73.77
2002.50    0.110    74.47
2002.60    0.107    75.21
2002.70    0.105    75.97
2002.80    0.103    76.76
2002.90    0.101    77.59
2003.00    0.099    78.45
2003.10    0.097    79.35
2003.20    0.095    80.29
2003.30    0.093    81.28
2003.40    0.091    82.30
2003.50    0.089    83.38
2003.60    0.087    84.50
2003.70    0.085    85.68
2003.80    0.083    86.91
2003.90    0.081    88.20
2004.00    0.079    89.56
2004.10    0.077    90.98
2004.20    0.075    92.48
2004.30    0.073    94.05
2004.40    0.072    95.69
2004.50    0.070    97.42
2004.60    0.068    99.23
2004.70    0.067   101.12
2004.80    0.065   103.11
2004.90    0.064   105.19
2005.00    0.062   107.37
2005.10    0.061   109.64
2005.20    0.060   112.00
2005.30    0.059   114.46
2005.40    0.058   117.00
2005.50    0.057   119.63
2005.60    0.056   122.34
2005.70    0.055   125.12
2005.80    0.055   127.96
2005.90    0.054   130.85
2006.00    0.054   133.78
2006.10    0.054   136.74
2006.20    0.054   139.70
2006.30    0.054   142.66
2006.40    0.054   145.60
2006.50    0.055   148.50
2006.60    0.055   151.37
2006.70    0.056   154.17
2006.80    0.056   156.91
2006.90    0.057   159.57
2007.00    0.058   162.15
2007.10    0.059   164.64
2007.20    0.060   167.05
2007.30    0.062   169.36
2007.40    0.063   171.57
2007.50    0.064   173.70
2007.60    0.066   175.73
2007.70    0.067   177.68
2007.80    0.069   179.54
2007.90    0.071   181.31
2008.00    0.072   183.01
2008.10    0.074   184.62
2008.20    0.076   186.17
2008.30    0.077   187.65
2008.40    0.079   189.06
2008.50    0.081   190.40
2008.60    0.083   191.69
2008.70    0.084   192.93
2008.80    0.086   194.11
2008.90    0.088   195.24
2009.00    0.090   196.33
2009.10    0.092   197.38
2009.20    0.094   198.38
2009.30    0.095   199.35
2009.40    0.097   200.28
2009.50    0.099   201.17
2009.60    0.101   202.04
2009.70    0.102   202.87
2009.80    0.104   203.68
2009.90    0.106   204.46
2010.00    0.107   205.22
2010.10    0.109   205.96
2010.20    0.111   206.67
2010.30    0.112   207.37
2010.40    0.114   208.04
2010.50    0.115   208.70
2010.60    0.117   209.34
2010.70    0.118   209.97
2010.80    0.119   210.58
2010.90    0.121   211.18
2011.00    0.122   211.76
2011.10    0.123   212.34
2011.20    0.124   212.90
2011.30    0.125   213.46
2011.40    0.126   214.00
2011.50    0.127   214.54
2011.60    0.128   215.07
2011.70    0.129   215.59
2011.80    0.130   216.11
2011.90    0.130   216.62
2012.00    0.131   217.12
2012.10    0.131   217.63
2012.20    0.132   218.12
2012.30    0.132   218.62
2012.40    0.133   219.11
2012.50    0.133   219.59
2012.60    0.133   220.08
2012.70    0.133   220.57
2012.80    0.133   221.05
2012.90    0.133   221.54
2013.00    0.133   222.02
2013.10    0.133   222.51
2013.20    0.133   222.99
2013.30    0.133   223.48
2013.40    0.132   223.98
2013.50    0.132   224.47
2013.60    0.131   224.97
2013.70    0.131   225.47
2013.80    0.130   225.98
2013.90    0.129   226.49
2014.00    0.129   227.01
2014.10    0.128   227.54
2014.20    0.127   228.07
2014.30    0.126   228.61
2014.40    0.125   229.16
2014.50    0.124   229.72
2014.60    0.123   230.29
2014.70    0.121   230.87
2014.80    0.120   231.46
2014.90    0.119   232.06
2015.00    0.117   232.68
2015.10    0.116   233.31
2015.20    0.115   233.96
2015.30    0.113   234.63
2015.40    0.112   235.31
2015.50    0.110   236.01
2015.60    0.108   236.73
2015.70    0.107   237.48
2015.80    0.105   238.24
2015.90    0.103   239.04
2016.00    0.102   239.85
2016.10    0.100   240.70
2016.20    0.098   241.58
2016.30    0.097   242.49
2016.40    0.095   243.43
2016.50    0.093   244.41
2016.60    0.091   245.43
2016.70    0.089   246.49
2016.80    0.087   247.59
2016.90    0.086   248.74
2017.00    0.084   249.94
2017.10    0.082   251.20
2017.20    0.080   252.51
2017.30    0.078   253.88
2017.40    0.077   255.31
2017.50    0.075   256.81
2017.60    0.073   258.37
2017.70    0.072   260.02
2017.80    0.070   261.73
2017.90    0.068   263.53
2018.00    0.067   265.42
2018.10    0.065   267.39
2018.20    0.064   269.45
2018.30    0.063   271.60
2018.40    0.061   273.84
2018.50    0.060   276.17
2018.60    0.059   278.60
2018.70    0.058   281.11
2018.80    0.057   283.71
2018.90    0.056   286.38
2019.00    0.056   289.13
2019.10    0.055   291.94
2019.20    0.055   294.80
2019.30    0.054   297.70
2019.40    0.054   300.63
2019.50    0.054   303.57
2019.60    0.054   306.52
2019.70    0.054   309.45
2019.80    0.055   312.35
2019.90    0.055   315.21
2020.00    0.056   318.02
2020.10    0.056   320.76
2020.20    0.057   323.43
2020.30    0.058   326.02
2020.40    0.059   328.53
2020.50    0.060   330.95
2020.60    0.062   333.27
2020.70    0.063   335.50
2020.80    0.064   337.64
2020.90    0.066   339.69
2021.00    0.067   341.64
2021.10    0.069   343.51
2021.20    0.070   345.29
2021.30    0.072   346.98
2021.40    0.074   348.60
2021.50    0.076   350.14
2021.60    0.078   351.61
2021.70    0.079   353.01
2021.80    0.081   354.35
2021.90    0.083   355.63
2022.00    0.085   356.84
2022.10    0.087   358.00
2022.20    0.089   359.11
2022.30    0.091     0.17
2022.40    0.093     1.18
2022.50    0.095     2.15
2022.60    0.097     3.08
2022.70    0.099     3.97
2022.80    0.102     4.83
2022.90    0.104     5.64
2023.00    0.106     6.43
2023.10    0.108     7.18
2023.20    0.110     7.91
2023.30    0.112     8.61
2023.40    0.114     9.28
2023.50    0.116     9.93
2023.60    0.119    10.55
2023.70    0.121    11.15
2023.80    0.123    11.74
2023.90    0.125    12.30
2024.00    0.127    12.84
2024.10    0.129    13.36
2024.20    0.131    13.87
2024.30    0.134    14.36
2024.40    0.136    14.84
2024.50    0.138    15.30
2024.60    0.140    15.75
2024.70    0.142    16.18
2024.80    0.144    16.60
2024.90    0.146    17.01
2025.00    0.148    17.41
2025.10    0.150    17.80
2025.20    0.152    18.18
2025.30    0.154    18.54
2025.40    0.156    18.90
2025.50    0.159    19.25
2025.60    0.161    19.59
2025.70    0.163    19.92
2025.80    0.165    20.24
2025.90    0.167    20.55
2026.00    0.169    20.86
2026.10    0.171    21.16
2026.20    0.173    21.45
2026.30    0.175    21.74
2026.40    0.177    22.02
2026.50    0.179    22.29
2026.60    0.180    22.56
2026.70    0.182    22.82
2026.80    0.184    23.08
2026.90    0.186    23.33
2027.00    0.188    23.57
2027.10    0.190    23.82
2027.20    0.192    24.05
2027.30    0.194    24.28
2027.40    0.196    24.51
2027.50    0.197    24.73
2027.60    0.199    24.95
2027.70    0.201    25.17
2027.80    0.203    25.38
2027.90    0.205    25.59
2028.00    0.207    25.79
2028.10    0.208    25.99
2028.20    0.210    26.19
2028.30    0.212    26.38
2028.40    0.214    26.57
2028.50    0.215    26.76
2028.60    0.217    26.95
2028.70    0.219    27.13
2028.80    0.220    27.31
2028.90    0.222    27.48
2029.00    0.224    27.66
2029.10    0.225    27.83
2029.20    0.227    27.99
2029.30    0.229    28.16
2029.40    0.230    28.32
2029.50    0.232    28.49
2029.60    0.233    28.65
2029.70    0.235    28.80
2029.80    0.237    28.96
2029.90    0.238    29.11
2030.00    0.240    29.26
2030.10    0.241    29.41
2030.20    0.243    29.56
2030.30    0.244    29.70
2030.40    0.246    29.85
2030.50    0.247    29.99
2030.60    0.249    30.13
2030.70    0.250    30.27
2030.80    0.252    30.40
2030.90    0.253    30.54
2031.00    0.255    30.67
2031.10    0.256    30.81
2031.20    0.257    30.94
2031.30    0.259    31.07
2031.40    0.260    31.19
2031.50    0.261    31.32
2031.60    0.263    31.45
2031.70    0.264    31.57
2031.80    0.265    31.69
2031.90    0.267    31.82
2032.00    0.268    31.94
2032.10    0.269    32.06
2032.20    0.271    32.17
2032.30    0.272    32.29
2032.40    0.273    32.41
2032.50    0.274    32.52
2032.60    0.276    32.64
2032.70    0.277    32.75
2032.80    0.278    32.86
2032.90    0.279    32.97
2033.00    0.280    33.08
2033.10    0.281    33.19
2033.20    0.283    33.30
2033.30    0.284    33.41
2033.40    0.285    33.51
2033.50    0.286    33.62
2033.60    0.287    33.73
2033.70    0.288    33.83
2033.80    0.289    33.93
2033.90    0.290    34.04
2034.00    0.291    34.14
2034.10    0.292    34.24
2034.20    0.293    34.34
2034.30    0.294    34.44
2034.40    0.295    34.54
2034.50    0.296    34.64
2034.60    0.297    34.74
2034.70    0.298    34.83
2034.80    0.299    34.93
2034.90    0.300    35.03
2035.00    0.301    35.12
2035.10    0.302    35.22
2035.20    0.303    35.31
2035.30    0.304    35.40
2035.40    0.305    35.50
2035.50    0.305    35.59
2035.60    0.306    35.68
2035.70    0.307    35.77
2035.80    0.308    35.86
2035.90    0.309    35.96
2036.00    0.309    36.05
2036.10    0.310    36.14
2036.20    0.311    36.22
2036.30    0.312    36.31
2036.40    0.312    36.40
2036.50    0.313    36.49
2036.60    0.314    36.58
2036.70    0.315    36.67
2036.80    0.315    36.75
2036.90    0.316    36.84
2037.00    0.317    36.93
2037.10    0.317    37.01
2037.20    0.318    37.10
2037.30    0.319    37.18
2037.40    0.319    37.27
2037.50    0.320    37.35
2037.60    0.320    37.43
2037.70    0.321    37.52
2037.80    0.321    37.60
2037.90    0.322    37.69
2038.00    0.323    37.77
2038.10    0.323    37.85
2038.20    0.324    37.93
2038.30    0.324    38.02
2038.40    0.325    38.10
2038.50    0.325    38.18
2038.60    0.326    38.26
2038.70    0.326    38.34
2038.80    0.326    38.42
2038.90    0.327    38.50
2039.00    0.327    38.59
2039.10    0.328    38.67
2039.20    0.328    38.75
2039.30    0.328    38.83
2039.40    0.329    38.91
2039.50    0.329    38.99
2039.60    0.329    39.06
2039.70    0.330    39.14
2039.80    0.330    39.22
2039.90    0.330    39.30
2040.00    0.331    39.38
2040.10    0.331    39.46
2040.20    0.331    39.54
2040.30    0.331    39.62
2040.40    0.332    39.70
2040.50    0.332    39.77
2040.60    0.332    39.85
2040.70    0.332    39.93
2040.80    0.333    40.01
2040.90    0.333    40.09
2041.00    0.333    40.16
2041.10    0.333    40.24
2041.20    0.333    40.32
2041.30    0.333    40.40
2041.40    0.333    40.48
2041.50    0.333    40.55
2041.60    0.334    40.63
2041.70    0.334    40.71
2041.80    0.334    40.79
2041.90    0.334    40.86
2042.00    0.334    40.94
2042.10    0.334    41.02
2042.20    0.334    41.09
2042.30    0.334    41.17
2042.40    0.334    41.25
2042.50    0.334    41.33
2042.60    0.334    41.40
2042.70    0.334    41.48
2042.80    0.334    41.56
2042.90    0.334    41.64
2043.00    0.333    41.71
2043.10    0.333    41.79
2043.20    0.333    41.87
2043.30    0.333    41.95
2043.40    0.333    42.02
2043.50    0.333    42.10
2043.60    0.333    42.18
2043.70    0.333    42.26
2043.80    0.332    42.34
2043.90    0.332    42.41
2044.00    0.332    42.49
2044.10    0.332    42.57
2044.20    0.331    42.65
2044.30    0.331    42.73
2044.40    0.331    42.81
2044.50    0.331    42.89
2044.60    0.330    42.96
2044.70    0.330    43.04
2044.80    0.330    43.12
2044.90    0.329    43.20
2045.00    0.329    43.28
2045.10    0.329    43.36
2045.20    0.328    43.44
2045.30    0.328    43.52
2045.40    0.328    43.60
2045.50    0.327    43.68
2045.60    0.327    43.76
2045.70    0.326    43.84
2045.80    0.326    43.92
2045.90    0.326    44.01
2046.00    0.325    44.09
2046.10    0.325    44.17
2046.20    0.324    44.25
2046.30    0.324    44.33
2046.40    0.323    44.42
2046.50    0.323    44.50
2046.60    0.322    44.58
2046.70    0.321    44.66
2046.80    0.321    44.75
2046.90    0.320    44.83
2047.00    0.320    44.92
2047.10    0.319    45.00
2047.20    0.319    45.09
2047.30    0.318    45.17
2047.40    0.317    45.26
2047.50    0.317    45.34
2047.60    0.316    45.43
2047.70    0.315    45.51
2047.80    0.315    45.60
2047.90    0.314    45.69
2048.00    0.313    45.78
2048.10    0.312    45.86
2048.20    0.312    45.95
2048.30    0.311    46.04
2048.40    0.310    46.13
2048.50    0.309    46.22
2048.60    0.309    46.31
2048.70    0.308    46.40
2048.80    0.307    46.49
2048.90    0.306    46.58
2049.00    0.305    46.68
2049.10    0.305    46.77
2049.20    0.304    46.86
2049.30    0.303    46.96
2049.40    0.302    47.05
2049.50    0.301    47.15
2049.60    0.300    47.24
2049.70    0.299    47.34
2049.80    0.298    47.43
2049.90    0.297    47.53
2050.00    0.296    47.63
2050.10    0.295    47.73
2050.20    0.294    47.83
2050.30    0.293    47.93
2050.40    0.292    48.03
2050.50    0.291    48.13
2050.60    0.290    48.23
2050.70    0.289    48.33
2050.80    0.288    48.44
2050.90    0.287    48.54
2051.00    0.286    48.65
2051.10    0.285    48.75
2051.20    0.284    48.86
2051.30    0.283    48.97
2051.40    0.281    49.08
2051.50    0.280    49.18
2051.60    0.279    49.29
2051.70    0.278    49.41
2051.80    0.277    49.52
2051.90    0.275    49.63
2052.00    0.274    49.75
2052.10    0.273    49.86
2052.20    0.272    49.98
2052.30    0.271    50.09
2052.40    0.269    50.21
2052.50    0.268    50.33
2052.60    0.267    50.45
2052.70    0.265    50.57
2052.80    0.264    50.70
2052.90    0.263    50.82
2053.00    0.261    50.95
2053.10    0.260    51.07
2053.20    0.259    51.20
2053.30    0.257    51.33
2053.40    0.256    51.46
2053.50    0.254    51.60
2053.60    0.253    51.73
2053.70    0.252    51.86
2053.80    0.250    52.00
2053.90    0.249    52.14
2054.00    0.247    52.28
2054.10    0.246    52.42
2054.20    0.244    52.57
2054.30    0.243    52.71
2054.40    0.241    52.86






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 14:44:40



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