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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 19:30:41

Orbital Elements for KAP1IND

WDS:	KAP1IND	WDS ID/Discoverer
P:	2.028	Orbital period (years)
a:	0.014960000000000001	Semi-major axis (arcseconds)
i:	68.8	Inclination (degrees)
Ω:	129.36	Longitude of ascending node (degrees)
T:	1991.417	Epoch of periastron passage (year)
e:	0.4319	Eccentricity
ω:	273.5	Longitude of periastron (degrees)
Start-Year:	2024.0	Year
End-Year:	2026.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for KAP1IND

Position:	215830.07-590044.0	Epoch-2000 right ascension and declination
WDS-ID:	21585-5901	WDS designation
Discoverer Code:	KAP1IND	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	208496	HD catalog number
Hipparcos number:	108478	Hipparcos catalog number
V1:	6.14	Magnitude of the primary
V2:	.	Magnitude of the secondary
Equinox:		Equinox
Date:	1991	Date of last observation
Orbit grade:	9	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for KAP1IND

WDS 6th Orbit including measures of KAP1IND

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

Ephemeris of KAP1IND

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.009    252.7
-------------------------
2024.0     0.009    119.8
2025.0     0.009    252.7

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.