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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 19:05:48

Orbital Elements for HDS2752AB

WDS:	HDS2752AB	WDS ID/Discoverer
P:	60.000	Orbital period (years)
a:	0.31	Semi-major axis (arcseconds)
i:	118.6	Inclination (degrees)
Ω:	68.4	Longitude of ascending node (degrees)
T:	1985.470	Epoch of periastron passage (year)
e:	0.694	Eccentricity
ω:	99.1	Longitude of periastron (degrees)
Start-Year:	1995.0	Year
End-Year:	2055.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS2752AB

Position:	192418.14+203151.1	Epoch-2000 right ascension and declination
WDS-ID:	19243+2032	WDS designation
Discoverer Code:	HDS2752AB	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	349993	HD catalog number
Hipparcos number:	95389	Hipparcos catalog number
V1:	9.00	Magnitude of the primary
V2:	10.68	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2019	Date of last observation
Orbit grade:	4	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for HDS2752AB

WDS 6th Orbit including measures of HDS2752AB

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

Ephemeris of HDS2752AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.292    115.2
-------------------------
1995.0     0.225    211.3
1996.0     0.227    207.4
1997.0     0.229    203.6
1998.0     0.230    199.8
1999.0     0.231    196.0
2000.0     0.231    192.3
2001.0     0.232    188.6
2002.0     0.233    184.9
2003.0     0.234    181.3
2004.0     0.235    177.7
2005.0     0.236    174.1
2006.0     0.237    170.5
2007.0     0.239    167.0
2008.0     0.241    163.6
2009.0     0.243    160.2
2010.0     0.246    156.9
2011.0     0.248    153.6
2012.0     0.251    150.4
2013.0     0.254    147.3
2014.0     0.257    144.2
2015.0     0.260    141.3
2016.0     0.264    138.4
2017.0     0.267    135.5
2018.0     0.270    132.8
2019.0     0.274    130.1
2020.0     0.277    127.5
2021.0     0.280    124.9
2022.0     0.284    122.4
2023.0     0.286    120.0
2024.0     0.289    117.6
2025.0     0.292    115.2
2026.0     0.294    112.9
2027.0     0.295    110.6
2028.0     0.297    108.4
2029.0     0.297    106.1
2030.0     0.297    103.9
2031.0     0.297    101.6
2032.0     0.295     99.3
2033.0     0.293     97.0
2034.0     0.289     94.7
2035.0     0.284     92.3
2036.0     0.278     89.8
2037.0     0.269     87.1
2038.0     0.258     84.2
2039.0     0.245     81.1
2040.0     0.228     77.6
2041.0     0.206     73.3
2042.0     0.178     68.0
2043.0     0.142     60.2
2044.0     0.096     45.9
2045.0     0.050      2.7
2046.0     0.066    284.8
2047.0     0.113    258.7
2048.0     0.149    247.1
2049.0     0.173    239.5
2050.0     0.190    233.5
2051.0     0.202    228.4
2052.0     0.211    223.8
2053.0     0.217    219.4
2054.0     0.221    215.3

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.