Double Star Calculator - Orbit

Orbital Elements for HO296AB

WDS:	HO296AB	WDS ID/Discoverer
P:	20.829	Orbital period (years)
a:	0.28798	Semi-major axis (arcseconds)
i:	139.861	Inclination (degrees)
Ω:	251.54	Longitude of ascending node (degrees)
T:	1983.539	Epoch of periastron passage (year)
e:	0.73499	Eccentricity
ω:	22.31	Longitude of periastron (degrees)
Start-Year:	2014.5854038424493	Year
End-Year:	2035.4145961575507	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HO296AB
Position:	224052.71+143257.5	Epoch-2000 right ascension and declination
WDS-ID:	22409+1433	WDS designation
Discoverer Code:	HO296AB	Discover designation and components
ADS number:	16173	Aitken Double Star catalog
HD number:	214850	HD catalog number
Hipparcos number:	111974	Hipparcos catalog number
V1:	6.14	Magnitude of the primary
V2:	7.22	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2008	Date of last observation
Orbit grade:	1	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:	n	Flags
Ephemerides:		Ephemerides
Code:	Mut2010b	Reference

Double Star Orbit for HO296AB

WDS 6th Orbit including measures of HO296AB

-- 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 HO296AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.156   111.52
--------------------------
2014.59    0.485    54.75
2014.69    0.485    54.43
2014.79    0.484    54.11
2014.89    0.484    53.80
2014.99    0.483    53.48
2015.09    0.483    53.16
2015.19    0.482    52.84
2015.29    0.481    52.52
2015.39    0.480    52.20
2015.49    0.479    51.88
2015.59    0.478    51.55
2015.69    0.477    51.23
2015.79    0.476    50.90
2015.89    0.475    50.57
2015.99    0.473    50.24
2016.09    0.472    49.91
2016.19    0.470    49.57
2016.29    0.469    49.24
2016.39    0.467    48.90
2016.49    0.466    48.55
2016.59    0.464    48.21
2016.69    0.462    47.86
2016.79    0.460    47.52
2016.89    0.458    47.16
2016.99    0.456    46.81
2017.09    0.454    46.45
2017.19    0.452    46.09
2017.29    0.450    45.72
2017.39    0.448    45.35
2017.49    0.445    44.98
2017.59    0.443    44.61
2017.69    0.440    44.22
2017.79    0.438    43.84
2017.89    0.435    43.45
2017.99    0.433    43.05
2018.09    0.430    42.65
2018.19    0.427    42.25
2018.29    0.424    41.84
2018.39    0.421    41.42
2018.49    0.418    41.00
2018.59    0.415    40.57
2018.69    0.412    40.14
2018.79    0.408    39.69
2018.89    0.405    39.25
2018.99    0.401    38.79
2019.09    0.398    38.32
2019.19    0.394    37.85
2019.29    0.391    37.37
2019.39    0.387    36.88
2019.49    0.383    36.37
2019.59    0.379    35.86
2019.69    0.375    35.34
2019.79    0.371    34.81
2019.89    0.367    34.26
2019.99    0.363    33.70
2020.09    0.359    33.13
2020.19    0.354    32.55
2020.29    0.350    31.95
2020.39    0.345    31.33
2020.49    0.341    30.70
2020.59    0.336    30.05
2020.69    0.331    29.38
2020.79    0.326    28.69
2020.89    0.321    27.98
2020.99    0.316    27.25
2021.09    0.311    26.50
2021.19    0.306    25.71
2021.29    0.300    24.91
2021.39    0.295    24.07
2021.49    0.290    23.20
2021.59    0.284    22.29
2021.69    0.278    21.36
2021.79    0.273    20.38
2021.89    0.267    19.35
2021.99    0.261    18.29
2022.09    0.255    17.17
2022.19    0.249    16.00
2022.29    0.243    14.77
2022.39    0.236    13.47
2022.49    0.230    12.10
2022.59    0.224    10.66
2022.69    0.217     9.13
2022.79    0.210     7.50
2022.89    0.204     5.77
2022.99    0.197     3.92
2023.09    0.190     1.94
2023.19    0.184   359.81
2023.29    0.177   357.52
2023.39    0.170   355.05
2023.49    0.163   352.36
2023.59    0.156   349.44
2023.69    0.149   346.26
2023.79    0.143   342.77
2023.89    0.136   338.94
2023.99    0.129   334.71
2024.09    0.123   330.05
2024.19    0.117   324.90
2024.29    0.111   319.20
2024.39    0.106   312.90
2024.49    0.101   305.95
2024.59    0.096   298.31
2024.69    0.092   289.95
2024.79    0.089   280.85
2024.89    0.085   270.97
2024.99    0.081   260.23
2025.09    0.078   248.53
2025.19    0.074   235.71
2025.29    0.071   221.68
2025.39    0.070   206.65
2025.49    0.070   191.29
2025.59    0.073   176.61
2025.69    0.078   163.48
2025.79    0.085   152.29
2025.89    0.094   142.99
2025.99    0.103   135.33
2026.09    0.113   128.98
2026.19    0.124   123.67
2026.29    0.134   119.18
2026.39    0.144   115.32
2026.49    0.154   111.97
2026.59    0.164   109.04
2026.69    0.174   106.44
2026.79    0.183   104.11
2026.89    0.193   102.01
2026.99    0.202   100.10
2027.09    0.211    98.36
2027.19    0.220    96.75
2027.29    0.228    95.27
2027.39    0.236    93.89
2027.49    0.244    92.61
2027.59    0.252    91.40
2027.69    0.260    90.27
2027.79    0.267    89.20
2027.89    0.275    88.19
2027.99    0.282    87.23
2028.09    0.289    86.32
2028.19    0.296    85.45
2028.29    0.302    84.62
2028.39    0.309    83.82
2028.49    0.315    83.06
2028.59    0.321    82.32
2028.69    0.327    81.61
2028.79    0.333    80.93
2028.89    0.338    80.27
2028.99    0.344    79.63
2029.09    0.349    79.01
2029.19    0.354    78.41
2029.29    0.359    77.83
2029.39    0.364    77.26
2029.49    0.369    76.71
2029.59    0.374    76.17
2029.69    0.379    75.64
2029.79    0.383    75.13
2029.89    0.387    74.63
2029.99    0.392    74.14
2030.09    0.396    73.66
2030.19    0.400    73.19
2030.29    0.404    72.73
2030.39    0.408    72.28
2030.49    0.411    71.84
2030.59    0.415    71.40
2030.69    0.418    70.98
2030.79    0.422    70.55
2030.89    0.425    70.14
2030.99    0.428    69.73
2031.09    0.431    69.33
2031.19    0.434    68.93
2031.29    0.437    68.54
2031.39    0.440    68.16
2031.49    0.443    67.77
2031.59    0.445    67.40
2031.69    0.448    67.02
2031.79    0.450    66.66
2031.89    0.453    66.29
2031.99    0.455    65.93
2032.09    0.457    65.57
2032.19    0.459    65.22
2032.29    0.461    64.87
2032.39    0.463    64.52
2032.49    0.465    64.18
2032.59    0.467    63.83
2032.69    0.469    63.50
2032.79    0.470    63.16
2032.89    0.472    62.82
2032.99    0.473    62.49
2033.09    0.475    62.16
2033.19    0.476    61.83
2033.29    0.477    61.50
2033.39    0.478    61.18
2033.49    0.479    60.85
2033.59    0.480    60.53
2033.69    0.481    60.21
2033.79    0.482    59.89
2033.89    0.483    59.57
2033.99    0.483    59.25
2034.09    0.484    58.93
2034.19    0.485    58.62
2034.29    0.485    58.30
2034.39    0.485    57.98
2034.49    0.486    57.67
2034.59    0.486    57.35
2034.69    0.486    57.04
2034.79    0.486    56.73
2034.89    0.486    56.41
2034.99    0.486    56.10
2035.09    0.486    55.78
2035.19    0.486    55.47
2035.29    0.486    55.15
2035.39    0.485    54.84

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 18:43:13