Double Star Calculator - Orbit

Orbital Elements for A95

WDS:	A95	WDS ID/Discoverer
P:	108.720	Orbital period (years)
a:	0.246	Semi-major axis (arcseconds)
i:	129.7	Inclination (degrees)
Ω:	115.2	Longitude of ascending node (degrees)
T:	1944.250	Epoch of periastron passage (year)
e:	0.647	Eccentricity
ω:	253.2	Longitude of periastron (degrees)
Start-Year:	1970.64	Year
End-Year:	2079.36	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for A95
Position:	191101.26-072538.7	Epoch-2000 right ascension and declination
WDS-ID:	19110-0726	WDS designation
Discoverer Code:	A95	Discover designation and components
ADS number:	12126	Aitken Double Star catalog
HD number:	179002	HD catalog number
Hipparcos number:	94241	Hipparcos catalog number
V1:	7.40	Magnitude of the primary
V2:	7.95	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2015	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:	Doc2017f	Reference

Double Star Orbit for A95

WDS 6th Orbit including measures of A95

-- 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 A95

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.215     4.98
--------------------------
1970.64    0.276    84.38
1971.64    0.278    83.11
1972.64    0.280    81.86
1973.64    0.282    80.63
1974.64    0.284    79.41
1975.64    0.285    78.20
1976.64    0.286    77.00
1977.64    0.287    75.81
1978.64    0.287    74.62
1979.64    0.288    73.44
1980.64    0.288    72.27
1981.64    0.288    71.10
1982.64    0.289    69.92
1983.64    0.288    68.75
1984.64    0.288    67.58
1985.64    0.288    66.40
1986.64    0.287    65.22
1987.64    0.287    64.04
1988.64    0.286    62.85
1989.64    0.285    61.65
1990.64    0.284    60.45
1991.64    0.283    59.24
1992.64    0.282    58.02
1993.64    0.281    56.79
1994.64    0.280    55.55
1995.64    0.278    54.30
1996.64    0.277    53.03
1997.64    0.276    51.75
1998.64    0.274    50.46
1999.64    0.272    49.15
2000.64    0.271    47.83
2001.64    0.269    46.49
2002.64    0.267    45.13
2003.64    0.265    43.75
2004.64    0.263    42.35
2005.64    0.261    40.94
2006.64    0.259    39.50
2007.64    0.257    38.04
2008.64    0.255    36.55
2009.64    0.253    35.05
2010.64    0.251    33.51
2011.64    0.249    31.95
2012.64    0.247    30.37
2013.64    0.245    28.75
2014.64    0.243    27.11
2015.64    0.240    25.43
2016.64    0.238    23.73
2017.64    0.236    21.99
2018.64    0.234    20.22
2019.64    0.231    18.41
2020.64    0.229    16.57
2021.64    0.227    14.69
2022.64    0.224    12.77
2023.64    0.222    10.82
2024.64    0.220     8.82
2025.64    0.217     6.77
2026.64    0.215     4.69
2027.64    0.213     2.56
2028.64    0.210     0.37
2029.64    0.208   358.14
2030.64    0.205   355.86
2031.64    0.203   353.51
2032.64    0.200   351.11
2033.64    0.198   348.64
2034.64    0.195   346.11
2035.64    0.192   343.50
2036.64    0.189   340.80
2037.64    0.186   338.02
2038.64    0.182   335.14
2039.64    0.178   332.13
2040.64    0.174   329.00
2041.64    0.170   325.71
2042.64    0.165   322.24
2043.64    0.160   318.55
2044.64    0.154   314.57
2045.64    0.146   310.23
2046.64    0.138   305.42
2047.64    0.129   299.94
2048.64    0.118   293.51
2049.64    0.105   285.60
2050.64    0.090   275.28
2051.64    0.075   260.80
2052.64    0.062   239.41
2053.64    0.056   210.39
2054.64    0.062   181.56
2055.64    0.076   160.66
2056.64    0.093   146.89
2057.64    0.111   137.43
2058.64    0.127   130.51
2059.64    0.142   125.12
2060.64    0.156   120.75
2061.64    0.169   117.07
2062.64    0.181   113.88
2063.64    0.191   111.06
2064.64    0.201   108.53
2065.64    0.210   106.21
2066.64    0.218   104.08
2067.64    0.225   102.10
2068.64    0.232   100.23
2069.64    0.238    98.47
2070.64    0.244    96.79
2071.64    0.249    95.18
2072.64    0.254    93.64
2073.64    0.258    92.15
2074.64    0.262    90.71
2075.64    0.266    89.31
2076.64    0.269    87.95
2077.64    0.272    86.61
2078.64    0.275    85.30

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 18:01:16