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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:11:51

Orbital Elements for I514

WDS:	I514	WDS ID/Discoverer
P:	60.800	Orbital period (years)
a:	0.115	Semi-major axis (arcseconds)
i:	99.0	Inclination (degrees)
Ω:	121.8	Longitude of ascending node (degrees)
T:	2020.930	Epoch of periastron passage (year)
e:	0.659	Eccentricity
ω:	134.6	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 I514

Position:	123055.39-304039.1	Epoch-2000 right ascension and declination
WDS-ID:	12309-3041	WDS designation
Discoverer Code:	I514	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	108896	HD catalog number
Hipparcos number:	61064	Hipparcos catalog number
V1:	8.2	Magnitude of the primary
V2:	8.3	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2022	Date of last observation
Orbit grade:	4	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for I514

WDS 6th Orbit including measures of I514

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

Ephemeris of I514

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.044    290.3
-------------------------
1995.0     0.149    128.8
1996.0     0.151    128.4
1997.0     0.153    128.0
1998.0     0.154    127.6
1999.0     0.155    127.2
2000.0     0.155    126.8
2001.0     0.155    126.4
2002.0     0.155    126.1
2003.0     0.154    125.7
2004.0     0.152    125.3
2005.0     0.150    124.9
2006.0     0.148    124.5
2007.0     0.144    124.0
2008.0     0.140    123.6
2009.0     0.136    123.1
2010.0     0.130    122.6
2011.0     0.123    122.0
2012.0     0.116    121.3
2013.0     0.107    120.6
2014.0     0.097    119.7
2015.0     0.085    118.6
2016.0     0.071    117.1
2017.0     0.055    114.8
2018.0     0.037    110.3
2019.0     0.017     95.8
2020.0     0.010    341.6
2021.0     0.029    310.0
2022.0     0.043    302.9
2023.0     0.048    298.5
2024.0     0.048    294.6
2025.0     0.044    290.3
2026.0     0.039    285.0
2027.0     0.033    278.0
2028.0     0.027    267.9
2029.0     0.022    252.7
2030.0     0.019    230.9
2031.0     0.020    205.7
2032.0     0.023    184.8
2033.0     0.028    170.5
2034.0     0.035    161.2
2035.0     0.042    154.8
2036.0     0.049    150.3
2037.0     0.056    146.9
2038.0     0.063    144.3
2039.0     0.070    142.2
2040.0     0.076    140.4
2041.0     0.083    139.0
2042.0     0.089    137.7
2043.0     0.095    136.6
2044.0     0.101    135.6
2045.0     0.106    134.8
2046.0     0.112    134.0
2047.0     0.117    133.3
2048.0     0.122    132.7
2049.0     0.126    132.1
2050.0     0.130    131.5
2051.0     0.134    131.0
2052.0     0.138    130.5
2053.0     0.141    130.0
2054.0     0.144    129.6

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.