Content-Type: text/html; charset=UTF-8 Double Star Calculator - Orbital Elements

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 19:40:57

Orbital Elements for HU497BC
WDS: HU497BC WDS ID/Discoverer
P: 180.600 Orbital period (years)
a: 0.292 Semi-major axis (arcseconds)
i: 117.1 Inclination (degrees)
Ω: 62.4 Longitude of ascending node (degrees)
T: 2032.450 Epoch of periastron passage (year)
e: 0.313 Eccentricity
ω: 54.2 Longitude of periastron (degrees)
Start-Year: 1935.0 Year
End-Year: 2115.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HU497BC
Position: 231731.11+165137.0 Epoch-2000 right ascension and declination
WDS-ID: 23175+1652 WDS designation
Discoverer Code: HU497BC Discover designation and components
ADS number: 16648 Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: 115002 Hipparcos catalog number
V1: 9.5 Magnitude of the primary
V2: 10.0 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2008 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for HU497BC



WDS 6th Orbit including measures of HU497BC

Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)


Ephemeris of HU497BC
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.192     50.4
-------------------------
1935.0     0.292    216.9
1936.0     0.289    216.0
1937.0     0.285    215.1
1938.0     0.281    214.2
1939.0     0.278    213.3
1940.0     0.274    212.3
1941.0     0.270    211.3
1942.0     0.266    210.3
1943.0     0.262    209.2
1944.0     0.258    208.1
1945.0     0.254    207.0
1946.0     0.250    205.8
1947.0     0.245    204.6
1948.0     0.241    203.4
1949.0     0.237    202.1
1950.0     0.233    200.8
1951.0     0.229    199.4
1952.0     0.224    198.0
1953.0     0.220    196.5
1954.0     0.216    194.9
1955.0     0.212    193.3
1956.0     0.208    191.7
1957.0     0.204    189.9
1958.0     0.200    188.1
1959.0     0.196    186.3
1960.0     0.193    184.3
1961.0     0.189    182.3
1962.0     0.186    180.2
1963.0     0.182    178.0
1964.0     0.179    175.8
1965.0     0.176    173.5
1966.0     0.174    171.1
1967.0     0.171    168.6
1968.0     0.169    166.0
1969.0     0.167    163.4
1970.0     0.165    160.7
1971.0     0.163    158.0
1972.0     0.162    155.2
1973.0     0.161    152.4
1974.0     0.160    149.5
1975.0     0.160    146.6
1976.0     0.159    143.7
1977.0     0.160    140.9
1978.0     0.160    138.0
1979.0     0.161    135.1
1980.0     0.162    132.3
1981.0     0.163    129.5
1982.0     0.164    126.7
1983.0     0.166    124.0
1984.0     0.168    121.4
1985.0     0.170    118.8
1986.0     0.173    116.3
1987.0     0.175    113.9
1988.0     0.178    111.5
1989.0     0.180    109.2
1990.0     0.183    107.0
1991.0     0.186    104.9
1992.0     0.189    102.8
1993.0     0.192    100.8
1994.0     0.195     98.8
1995.0     0.199     96.9
1996.0     0.202     95.1
1997.0     0.205     93.3
1998.0     0.208     91.5
1999.0     0.210     89.9
2000.0     0.213     88.2
2001.0     0.216     86.6
2002.0     0.218     85.1
2003.0     0.221     83.5
2004.0     0.223     82.0
2005.0     0.225     80.6
2006.0     0.227     79.1
2007.0     0.228     77.7
2008.0     0.229     76.3
2009.0     0.230     74.9
2010.0     0.231     73.5
2011.0     0.231     72.2
2012.0     0.231     70.8
2013.0     0.231     69.4
2014.0     0.230     68.0
2015.0     0.229     66.6
2016.0     0.227     65.2
2017.0     0.225     63.8
2018.0     0.222     62.3
2019.0     0.219     60.8
2020.0     0.216     59.2
2021.0     0.212     57.6
2022.0     0.208     56.0
2023.0     0.203     54.2
2024.0     0.198     52.4
2025.0     0.192     50.4
2026.0     0.186     48.4
2027.0     0.179     46.2
2028.0     0.172     43.8
2029.0     0.165     41.2
2030.0     0.157     38.4
2031.0     0.150     35.2
2032.0     0.142     31.8
2033.0     0.135     28.0
2034.0     0.127     23.7
2035.0     0.120     18.8
2036.0     0.113     13.4
2037.0     0.108      7.4
2038.0     0.103      0.7
2039.0     0.099    353.5
2040.0     0.096    345.7
2041.0     0.095    337.7
2042.0     0.096    329.7
2043.0     0.098    321.9
2044.0     0.102    314.5
2045.0     0.107    307.7
2046.0     0.113    301.6
2047.0     0.119    296.1
2048.0     0.127    291.3
2049.0     0.135    286.9
2050.0     0.143    283.1
2051.0     0.151    279.7
2052.0     0.160    276.7
2053.0     0.168    273.9
2054.0     0.177    271.5
2055.0     0.185    269.2
2056.0     0.194    267.2
2057.0     0.202    265.3
2058.0     0.210    263.6
2059.0     0.218    261.9
2060.0     0.226    260.5
2061.0     0.233    259.1
2062.0     0.240    257.7
2063.0     0.247    256.5
2064.0     0.254    255.3
2065.0     0.260    254.2
2066.0     0.266    253.2
2067.0     0.272    252.1
2068.0     0.278    251.2
2069.0     0.283    250.2
2070.0     0.288    249.3
2071.0     0.293    248.5
2072.0     0.298    247.6
2073.0     0.302    246.8
2074.0     0.306    246.0
2075.0     0.310    245.2
2076.0     0.314    244.5
2077.0     0.317    243.7
2078.0     0.320    243.0
2079.0     0.323    242.3
2080.0     0.325    241.6
2081.0     0.328    240.9
2082.0     0.330    240.2
2083.0     0.332    239.6
2084.0     0.333    238.9
2085.0     0.335    238.2
2086.0     0.336    237.6
2087.0     0.337    236.9
2088.0     0.338    236.3
2089.0     0.338    235.6
2090.0     0.339    235.0
2091.0     0.339    234.4
2092.0     0.339    233.7
2093.0     0.339    233.1
2094.0     0.338    232.4
2095.0     0.338    231.8
2096.0     0.337    231.2
2097.0     0.336    230.5
2098.0     0.335    229.8
2099.0     0.334    229.2
2100.0     0.332    228.5
2101.0     0.331    227.9
2102.0     0.329    227.2
2103.0     0.327    226.5
2104.0     0.325    225.8
2105.0     0.323    225.1
2106.0     0.320    224.4
2107.0     0.318    223.7
2108.0     0.315    222.9
2109.0     0.313    222.2
2110.0     0.310    221.4
2111.0     0.307    220.7
2112.0     0.304    219.9
2113.0     0.301    219.1
2114.0     0.298    218.2






Disclaimer
This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. The Double Star Calculator and the results generated are licensed under CC BY-NC-SA 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.


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