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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 17:39:26

Orbital Elements for STF1217
WDS: STF1217 WDS ID/Discoverer
P: 16000.000 Orbital period (years)
a: 21.0 Semi-major axis (arcseconds)
i: 81.0 Inclination (degrees)
Ω: 235.0 Longitude of ascending node (degrees)
T: 6845.000 Epoch of periastron passage (year)
e: 0.94 Eccentricity
ω: 212.0 Longitude of periastron (degrees)
Start-Year: -5975.0 Year
End-Year: 10025.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for STF1217
Position: 082415.65+445659.0 Epoch-2000 right ascension and declination
WDS-ID: 08243+4457 WDS designation
Discoverer Code: STF1217 Discover designation and components
ADS number: 6783 Aitken Double Star catalog
HD number: 70516 HD catalog number
Hipparcos number: 41184 Hipparcos catalog number
V1: 7.79 Magnitude of the primary
V2: 9.39 Magnitude of the secondary
Equinox: Equinox
Date: 2005 Date of last observation
Orbit grade: 5 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for STF1217



WDS 6th Orbit including measures of STF1217

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


Ephemeris of STF1217
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0    28.608    242.2
-------------------------
-5975.0    28.685    238.3
-5875.0    29.053    238.3
-5775.0    29.407    238.4
-5675.0    29.748    238.5
-5575.0    30.075    238.5
-5475.0    30.390    238.6
-5375.0    30.692    238.6
-5275.0    30.983    238.7
-5175.0    31.261    238.7
-5075.0    31.528    238.8
-4975.0    31.783    238.9
-4875.0    32.028    238.9
-4775.0    32.262    239.0
-4675.0    32.485    239.0
-4575.0    32.698    239.1
-4475.0    32.901    239.1
-4375.0    33.094    239.2
-4275.0    33.277    239.2
-4175.0    33.450    239.3
-4075.0    33.614    239.3
-3975.0    33.769    239.3
-3875.0    33.915    239.4
-3775.0    34.051    239.4
-3675.0    34.179    239.5
-3575.0    34.298    239.5
-3475.0    34.408    239.6
-3375.0    34.509    239.6
-3275.0    34.602    239.7
-3175.0    34.687    239.7
-3075.0    34.763    239.8
-2975.0    34.832    239.8
-2875.0    34.892    239.8
-2775.0    34.944    239.9
-2675.0    34.988    239.9
-2575.0    35.024    240.0
-2475.0    35.052    240.0
-2375.0    35.073    240.1
-2275.0    35.086    240.1
-2175.0    35.091    240.1
-2075.0    35.088    240.2
-1975.0    35.078    240.2
-1875.0    35.061    240.3
-1775.0    35.035    240.3
-1675.0    35.003    240.4
-1575.0    34.963    240.4
-1475.0    34.915    240.4
-1375.0    34.861    240.5
-1275.0    34.798    240.5
-1175.0    34.729    240.6
-1075.0    34.652    240.6
-975.0    34.568    240.7
-875.0    34.477    240.7
-775.0    34.378    240.8
-675.0    34.272    240.8
-575.0    34.159    240.8
-475.0    34.038    240.9
-375.0    33.911    240.9
-275.0    33.776    241.0
-175.0    33.633    241.0
-75.0     33.484    241.1
25.0      33.327    241.1
125.0     33.163    241.2
225.0     32.991    241.2
325.0     32.812    241.3
425.0     32.626    241.3
525.0     32.432    241.4
625.0     32.231    241.4
725.0     32.022    241.5
825.0     31.806    241.5
925.0     31.583    241.6
1025.0    31.351    241.6
1125.0    31.112    241.7
1225.0    30.866    241.7
1325.0    30.611    241.8
1425.0    30.349    241.8
1525.0    30.079    241.9
1625.0    29.801    242.0
1725.0    29.515    242.0
1825.0    29.221    242.1
1925.0    28.919    242.1
2025.0    28.608    242.2
2125.0    28.289    242.3
2225.0    27.962    242.3
2325.0    27.626    242.4
2425.0    27.281    242.5
2525.0    26.928    242.6
2625.0    26.565    242.6
2725.0    26.194    242.7
2825.0    25.813    242.8
2925.0    25.423    242.9
3025.0    25.024    242.9
3125.0    24.615    243.0
3225.0    24.196    243.1
3325.0    23.767    243.2
3425.0    23.327    243.3
3525.0    22.877    243.4
3625.0    22.416    243.5
3725.0    21.945    243.6
3825.0    21.462    243.7
3925.0    20.967    243.9
4025.0    20.461    244.0
4125.0    19.942    244.1
4225.0    19.411    244.2
4325.0    18.866    244.4
4425.0    18.309    244.5
4525.0    17.737    244.7
4625.0    17.151    244.9
4725.0    16.550    245.1
4825.0    15.933    245.3
4925.0    15.300    245.5
5025.0    14.650    245.7
5125.0    13.982    246.0
5225.0    13.295    246.3
5325.0    12.589    246.6
5425.0    11.861    246.9
5525.0    11.111    247.3
5625.0    10.337    247.8
5725.0     9.538    248.3
5825.0     8.711    249.0
5925.0     7.855    249.7
6025.0     6.966    250.7
6125.0     6.041    252.0
6225.0     5.078    253.7
6325.0     4.073    256.2
6425.0     3.027    260.5
6525.0     1.952    269.5
6625.0     0.963    298.7
6725.0     0.946     20.0
6825.0     1.404     53.8
6925.0     1.651    223.4
7025.0     4.284    230.5
7125.0     6.337    232.4
7225.0     8.067    233.5
7325.0     9.585    234.1
7425.0    10.948    234.6
7525.0    12.192    235.0
7625.0    13.339    235.4
7725.0    14.407    235.6
7825.0    15.407    235.9
7925.0    16.347    236.1
8025.0    17.235    236.3
8125.0    18.076    236.4
8225.0    18.876    236.6
8325.0    19.637    236.7
8425.0    20.363    236.9
8525.0    21.057    237.0
8625.0    21.721    237.1
8725.0    22.357    237.2
8825.0    22.967    237.3
8925.0    23.553    237.4
9025.0    24.115    237.5
9125.0    24.655    237.6
9225.0    25.175    237.7
9325.0    25.675    237.8
9425.0    26.155    237.9
9525.0    26.618    237.9
9625.0    27.064    238.0
9725.0    27.492    238.1
9825.0    27.905    238.1
9925.0    28.303    238.2






Disclaimer
This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. The Double Star Calculator and the results generated are licensed under CC BY-NC-SA 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.


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