Double Star Calculator - Orbit

Orbital Elements for STF1884

WDS:	STF1884	WDS ID/Discoverer
P:	1398.286	Orbital period (years)
a:	5.26161	Semi-major axis (arcseconds)
i:	90.622	Inclination (degrees)
Ω:	53.561	Longitude of ascending node (degrees)
T:	2111.218	Epoch of periastron passage (year)
e:	0.81519	Eccentricity
ω:	75.386	Longitude of periastron (degrees)
Start-Year:	1325.85705	Year
End-Year:	2724.14295	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for STF1884
Position:	144823.37+242201.0	Epoch-2000 right ascension and declination
WDS-ID:	14484+2422	WDS designation
Discoverer Code:	STF1884	Discover designation and components
ADS number:	9389	Aitken Double Star catalog
HD number:	130603	HD catalog number
Hipparcos number:	72412	Hipparcos catalog number
V1:	6.58	Magnitude of the primary
V2:	7.48	Magnitude of the secondary
Equinox:		Equinox
Date:	2015	Date of last observation
Orbit grade:	4	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:		Flags
Ephemerides:		Ephemerides
Code:	Izm2019	Reference

Double Star Orbit for STF1884

WDS 6th Orbit including measures of STF1884

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

Legend:

Green plus signs:	Visual (micrometric) measures
Violet asterisks:	Photographic measures
Blue symbols:	Various interferometric techniques
Dot-dash line:	Indicates the line of nodes

Ephemeris of STF1884

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    2.150    54.31
--------------------------
1325.86    3.008   231.71
1335.86    2.942   231.66
1345.86    2.876   231.60
1355.86    2.808   231.55
1365.86    2.740   231.49
1375.86    2.670   231.43
1385.86    2.600   231.36
1395.86    2.529   231.30
1405.86    2.457   231.22
1415.86    2.384   231.15
1425.86    2.311   231.07
1435.86    2.236   230.98
1445.86    2.161   230.89
1455.86    2.085   230.79
1465.86    2.009   230.68
1475.86    1.931   230.56
1485.86    1.853   230.44
1495.86    1.775   230.30
1505.86    1.696   230.15
1515.86    1.616   229.99
1525.86    1.536   229.81
1535.86    1.455   229.61
1545.86    1.373   229.39
1555.86    1.292   229.13
1565.86    1.209   228.85
1575.86    1.127   228.52
1585.86    1.044   228.14
1595.86    0.960   227.69
1605.86    0.877   227.16
1615.86    0.793   226.51
1625.86    0.708   225.71
1635.86    0.624   224.70
1645.86    0.540   223.37
1655.86    0.456   221.55
1665.86    0.372   218.91
1675.86    0.290   214.75
1685.86    0.210   207.35
1695.86    0.137   191.57
1705.86    0.092   153.39
1715.86    0.114   105.50
1725.86    0.180    83.17
1735.86    0.258    73.49
1745.86    0.340    68.37
1755.86    0.423    65.26
1765.86    0.507    63.17
1775.86    0.591    61.67
1785.86    0.675    60.55
1795.86    0.759    59.67
1805.86    0.842    58.97
1815.86    0.925    58.40
1825.86    1.007    57.92
1835.86    1.088    57.51
1845.86    1.169    57.15
1855.86    1.248    56.85
1865.86    1.326    56.58
1875.86    1.403    56.34
1885.86    1.479    56.12
1895.86    1.552    55.93
1905.86    1.624    55.75
1915.86    1.693    55.58
1925.86    1.760    55.43
1935.86    1.824    55.29
1945.86    1.884    55.16
1955.86    1.940    55.04
1965.86    1.992    54.93
1975.86    2.039    54.82
1985.86    2.079    54.71
1995.86    2.112    54.61
2005.86    2.136    54.51
2015.86    2.150    54.41
2025.86    2.150    54.31
2035.86    2.134    54.22
2045.86    2.097    54.12
2055.86    2.031    54.01
2065.86    1.927    53.90
2075.86    1.769    53.77
2085.86    1.529    53.60
2095.86    1.162    53.36
2105.86    0.613    52.75
2115.86    0.092   240.27
2125.86    0.781   234.29
2135.86    1.348   233.87
2145.86    1.801   233.69
2155.86    2.168   233.58
2165.86    2.471   233.49
2175.86    2.727   233.43
2185.86    2.946   233.37
2195.86    3.135   233.32
2205.86    3.300   233.28
2215.86    3.444   233.24
2225.86    3.570   233.20
2235.86    3.682   233.17
2245.86    3.780   233.14
2255.86    3.867   233.11
2265.86    3.943   233.08
2275.86    4.010   233.05
2285.86    4.068   233.02
2295.86    4.119   232.99
2305.86    4.163   232.97
2315.86    4.200   232.94
2325.86    4.232   232.92
2335.86    4.258   232.89
2345.86    4.278   232.87
2355.86    4.294   232.84
2365.86    4.306   232.82
2375.86    4.313   232.80
2385.86    4.316   232.77
2395.86    4.316   232.75
2405.86    4.312   232.72
2415.86    4.304   232.70
2425.86    4.294   232.68
2435.86    4.280   232.65
2445.86    4.264   232.63
2455.86    4.245   232.60
2465.86    4.223   232.58
2475.86    4.199   232.55
2485.86    4.172   232.53
2495.86    4.143   232.50
2505.86    4.112   232.47
2515.86    4.078   232.45
2525.86    4.043   232.42
2535.86    4.005   232.39
2545.86    3.966   232.36
2555.86    3.925   232.33
2565.86    3.882   232.31
2575.86    3.837   232.28
2585.86    3.791   232.24
2595.86    3.743   232.21
2605.86    3.694   232.18
2615.86    3.643   232.15
2625.86    3.591   232.11
2635.86    3.537   232.08
2645.86    3.482   232.04
2655.86    3.425   232.00
2665.86    3.368   231.96
2675.86    3.309   231.92
2685.86    3.248   231.88
2695.86    3.187   231.84
2705.86    3.125   231.79
2715.86    3.061   231.75

Disclaimer

This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. Unless otherwise noted, all output generated by the Double Star Calculator including orbit diagrams, ephemerides, and analytical reports is licensed under CC BY 4.0.

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.

Report Information

Double Star Calculator:		Version 1.2 ($Rev: 2397 $)
Report created:		2026-06-25 17:08:41