Double Star Calculator - Orbit

Orbital Elements for I883

WDS:	I883	WDS ID/Discoverer
P:	154.300	Orbital period (years)
a:	0.224	Semi-major axis (arcseconds)
i:	35.3	Inclination (degrees)
Ω:	129.8	Longitude of ascending node (degrees)
T:	1976.810	Epoch of periastron passage (year)
e:	0.64	Eccentricity
ω:	311.7	Longitude of periastron (degrees)
Start-Year:	1947.85	Year
End-Year:	2102.15	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for I883
Position:	112647.30-530935.8	Epoch-2000 right ascension and declination
WDS-ID:	11268-5310	WDS designation
Discoverer Code:	I883	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	99574	HD catalog number
Hipparcos number:	55849	Hipparcos catalog number
V1:	6.83	Magnitude of the primary
V2:	6.52	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2009	Date of last observation
Orbit grade:	3	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:	n	Flags
Ephemerides:		Ephemerides
Code:	Hrt2010a	Reference

Double Star Orbit for I883

WDS 6th Orbit including measures of I883

-- 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 I883

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.282   246.34
--------------------------
1947.85    0.256   303.59
1948.85    0.251   304.73
1949.85    0.246   305.91
1950.85    0.241   307.15
1951.85    0.236   308.44
1952.85    0.230   309.79
1953.85    0.225   311.21
1954.85    0.219   312.70
1955.85    0.212   314.29
1956.85    0.206   315.97
1957.85    0.199   317.76
1958.85    0.192   319.67
1959.85    0.185   321.74
1960.85    0.177   323.98
1961.85    0.170   326.42
1962.85    0.162   329.10
1963.85    0.153   332.06
1964.85    0.145   335.37
1965.85    0.136   339.11
1966.85    0.127   343.37
1967.85    0.118   348.29
1968.85    0.109   354.04
1969.85    0.099     0.85
1970.85    0.091     8.97
1971.85    0.083    18.71
1972.85    0.077    30.29
1973.85    0.072    43.67
1974.85    0.070    58.37
1975.85    0.070    73.45
1976.85    0.073    87.86
1977.85    0.077   100.94
1978.85    0.083   112.47
1979.85    0.088   122.57
1980.85    0.094   131.44
1981.85    0.099   139.30
1982.85    0.105   146.34
1983.85    0.110   152.71
1984.85    0.115   158.50
1985.85    0.120   163.80
1986.85    0.125   168.69
1987.85    0.130   173.22
1988.85    0.135   177.42
1989.85    0.139   181.34
1990.85    0.144   185.00
1991.85    0.149   188.44
1992.85    0.153   191.66
1993.85    0.158   194.70
1994.85    0.162   197.57
1995.85    0.167   200.28
1996.85    0.171   202.85
1997.85    0.176   205.28
1998.85    0.180   207.60
1999.85    0.185   209.81
2000.85    0.189   211.91
2001.85    0.193   213.92
2002.85    0.198   215.84
2003.85    0.202   217.69
2004.85    0.206   219.45
2005.85    0.210   221.15
2006.85    0.214   222.79
2007.85    0.218   224.36
2008.85    0.222   225.87
2009.85    0.226   227.34
2010.85    0.230   228.75
2011.85    0.233   230.12
2012.85    0.237   231.45
2013.85    0.241   232.73
2014.85    0.244   233.98
2015.85    0.248   235.19
2016.85    0.251   236.37
2017.85    0.255   237.51
2018.85    0.258   238.63
2019.85    0.261   239.72
2020.85    0.265   240.78
2021.85    0.268   241.81
2022.85    0.271   242.82
2023.85    0.274   243.81
2024.85    0.277   244.78
2025.85    0.280   245.73
2026.85    0.283   246.66
2027.85    0.285   247.57
2028.85    0.288   248.46
2029.85    0.291   249.34
2030.85    0.293   250.20
2031.85    0.296   251.05
2032.85    0.298   251.88
2033.85    0.300   252.71
2034.85    0.302   253.51
2035.85    0.305   254.31
2036.85    0.307   255.10
2037.85    0.309   255.87
2038.85    0.311   256.64
2039.85    0.313   257.39
2040.85    0.314   258.14
2041.85    0.316   258.88
2042.85    0.318   259.61
2043.85    0.320   260.33
2044.85    0.321   261.04
2045.85    0.322   261.75
2046.85    0.324   262.46
2047.85    0.325   263.15
2048.85    0.326   263.85
2049.85    0.328   264.53
2050.85    0.329   265.21
2051.85    0.330   265.89
2052.85    0.330   266.57
2053.85    0.331   267.24
2054.85    0.332   267.90
2055.85    0.333   268.57
2056.85    0.333   269.23
2057.85    0.334   269.89
2058.85    0.334   270.55
2059.85    0.335   271.20
2060.85    0.335   271.86
2061.85    0.335   272.51
2062.85    0.335   273.17
2063.85    0.335   273.82
2064.85    0.335   274.47
2065.85    0.335   275.13
2066.85    0.335   275.78
2067.85    0.334   276.44
2068.85    0.334   277.10
2069.85    0.333   277.76
2070.85    0.333   278.42
2071.85    0.332   279.08
2072.85    0.331   279.75
2073.85    0.330   280.42
2074.85    0.329   281.09
2075.85    0.328   281.77
2076.85    0.327   282.46
2077.85    0.326   283.15
2078.85    0.324   283.84
2079.85    0.323   284.54
2080.85    0.321   285.25
2081.85    0.319   285.97
2082.85    0.318   286.69
2083.85    0.316   287.42
2084.85    0.313   288.17
2085.85    0.311   288.92
2086.85    0.309   289.68
2087.85    0.306   290.46
2088.85    0.304   291.25
2089.85    0.301   292.05
2090.85    0.298   292.86
2091.85    0.295   293.70
2092.85    0.292   294.55
2093.85    0.289   295.42
2094.85    0.286   296.30
2095.85    0.282   297.22
2096.85    0.278   298.15
2097.85    0.275   299.11
2098.85    0.271   300.10
2099.85    0.266   301.12
2100.85    0.262   302.17
2101.85    0.258   303.26

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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 16:38:37