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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:46:29

Orbital Elements for RST5432

WDS:	RST5432	WDS ID/Discoverer
P:	93.980	Orbital period (years)
a:	0.285	Semi-major axis (arcseconds)
i:	141.6	Inclination (degrees)
Ω:	149.2	Longitude of ascending node (degrees)
T:	1998.340	Epoch of periastron passage (year)
e:	0.274	Eccentricity
ω:	228.5	Longitude of periastron (degrees)
Start-Year:	1979.0	Year
End-Year:	2071.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for RST5432

Position:	172530.20+002958.0	Epoch-2000 right ascension and declination
WDS-ID:	17255+0030	WDS designation
Discoverer Code:	RST5432	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	.	Hipparcos catalog number
V1:	10.5	Magnitude of the primary
V2:	10.5	Magnitude of the secondary
Equinox:		Equinox
Date:	2007	Date of last observation
Orbit grade:	4	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for RST5432

WDS 6th Orbit including measures of RST5432

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

Ephemeris of RST5432

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.319    150.6
-------------------------
1979.0     0.243     19.8
1980.0     0.242     15.8
1981.0     0.242     11.8
1982.0     0.241      7.7
1983.0     0.240      3.7
1984.0     0.239    359.6
1985.0     0.238    355.5
1986.0     0.237    351.3
1987.0     0.235    347.1
1988.0     0.233    342.8
1989.0     0.230    338.5
1990.0     0.227    334.0
1991.0     0.223    329.4
1992.0     0.219    324.6
1993.0     0.214    319.6
1994.0     0.209    314.3
1995.0     0.203    308.8
1996.0     0.197    302.9
1997.0     0.191    296.7
1998.0     0.185    290.0
1999.0     0.180    283.0
2000.0     0.175    275.5
2001.0     0.172    267.7
2002.0     0.170    259.6
2003.0     0.169    251.4
2004.0     0.170    243.3
2005.0     0.173    235.3
2006.0     0.177    227.6
2007.0     0.183    220.4
2008.0     0.190    213.7
2009.0     0.198    207.4
2010.0     0.206    201.7
2011.0     0.215    196.4
2012.0     0.224    191.5
2013.0     0.233    187.0
2014.0     0.243    182.9
2015.0     0.252    179.1
2016.0     0.260    175.5
2017.0     0.269    172.1
2018.0     0.277    169.0
2019.0     0.284    166.0
2020.0     0.291    163.1
2021.0     0.298    160.4
2022.0     0.304    157.9
2023.0     0.310    155.4
2024.0     0.315    153.0
2025.0     0.319    150.6
2026.0     0.324    148.4
2027.0     0.327    146.1
2028.0     0.330    144.0
2029.0     0.333    141.8
2030.0     0.335    139.7
2031.0     0.337    137.7
2032.0     0.338    135.6
2033.0     0.339    133.6
2034.0     0.340    131.5
2035.0     0.340    129.5
2036.0     0.339    127.5
2037.0     0.339    125.4
2038.0     0.338    123.4
2039.0     0.336    121.3
2040.0     0.335    119.2
2041.0     0.333    117.1
2042.0     0.331    115.0
2043.0     0.328    112.8
2044.0     0.325    110.6
2045.0     0.322    108.4
2046.0     0.319    106.1
2047.0     0.316    103.8
2048.0     0.312    101.4
2049.0     0.309     99.0
2050.0     0.305     96.5
2051.0     0.301     94.0
2052.0     0.298     91.4
2053.0     0.294     88.7
2054.0     0.290     85.9
2055.0     0.286     83.1
2056.0     0.282     80.2
2057.0     0.278     77.2
2058.0     0.275     74.1
2059.0     0.271     71.0
2060.0     0.268     67.7
2061.0     0.264     64.4
2062.0     0.261     61.0
2063.0     0.259     57.6
2064.0     0.256     54.0
2065.0     0.254     50.4
2066.0     0.252     46.7
2067.0     0.250     43.0
2068.0     0.248     39.2
2069.0     0.247     35.4
2070.0     0.245     31.5

Disclaimer

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.