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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 19:32:14

Orbital Elements for HDS3153

WDS:	HDS3153	WDS ID/Discoverer
P:	35.700	Orbital period (years)
a:	0.177	Semi-major axis (arcseconds)
i:	124.2	Inclination (degrees)
Ω:	57.2	Longitude of ascending node (degrees)
T:	2022.090	Epoch of periastron passage (year)
e:	0.78	Eccentricity
ω:	49.1	Longitude of periastron (degrees)
Start-Year:	2008.0	Year
End-Year:	2042.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS3153

Position:	221233.12-180137.8	Epoch-2000 right ascension and declination
WDS-ID:	22126-1802	WDS designation
Discoverer Code:	HDS3153	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	210707	HD catalog number
Hipparcos number:	109634	Hipparcos catalog number
V1:	9.34	Magnitude of the primary
V2:	10.17	Magnitude of the secondary
Equinox:		Equinox
Date:	2018	Date of last observation
Orbit grade:	3	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for HDS3153

WDS 6th Orbit including measures of HDS3153

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

Ephemeris of HDS3153

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.134    238.7
-------------------------
2008.0     0.221    196.6
2009.0     0.211    194.2
2010.0     0.201    191.6
2011.0     0.190    188.7
2012.0     0.179    185.4
2013.0     0.166    181.7
2014.0     0.152    177.3
2015.0     0.138    172.0
2016.0     0.123    165.5
2017.0     0.108    157.2
2018.0     0.094    146.2
2019.0     0.080    131.5
2020.0     0.069    111.3
2021.0     0.059     83.9
2022.0     0.034     33.9
2023.0     0.050    269.2
2024.0     0.098    247.1
2025.0     0.134    238.7
2026.0     0.162    233.6
2027.0     0.184    229.9
2028.0     0.201    226.9
2029.0     0.216    224.4
2030.0     0.228    222.1
2031.0     0.237    220.0
2032.0     0.244    218.1
2033.0     0.249    216.3
2034.0     0.253    214.5
2035.0     0.255    212.8
2036.0     0.256    211.1
2037.0     0.255    209.4
2038.0     0.253    207.7
2039.0     0.250    205.9
2040.0     0.246    204.1
2041.0     0.240    202.2

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.