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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 16:53:50

Orbital Elements for STF443AB
WDS: STF443AB WDS ID/Discoverer
P: 2275.519 Orbital period (years)
a: 22.78507 Semi-major axis (arcseconds)
i: 85.419 Inclination (degrees)
Ω: 37.681 Longitude of ascending node (degrees)
T: 1636.174 Epoch of periastron passage (year)
e: 0.82609 Eccentricity
ω: 282.781 Longitude of periastron (degrees)
Start-Year: 888.0 Year
End-Year: 3162.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for STF443AB
Position: 034702.11+412538.1 Epoch-2000 right ascension and declination
WDS-ID: 03470+4126 WDS designation
Discoverer Code: STF443AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 8.20 Magnitude of the primary
V2: 8.82 Magnitude of the secondary
Equinox: Equinox
Date: 2015 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for STF443AB



WDS 6th Orbit including measures of STF443AB

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


Ephemeris of STF443AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     6.732     56.7
-------------------------
888.0     15.687    207.4
898.0     15.803    207.6
908.0     15.916    207.7
918.0     16.026    207.9
928.0     16.134    208.0
938.0     16.239    208.1
948.0     16.341    208.3
958.0     16.441    208.4
968.0     16.538    208.6
978.0     16.632    208.7
988.0     16.723    208.8
998.0     16.810    209.0
1008.0    16.895    209.1
1018.0    16.977    209.2
1028.0    17.055    209.3
1038.0    17.129    209.5
1048.0    17.200    209.6
1058.0    17.268    209.7
1068.0    17.332    209.8
1078.0    17.392    210.0
1088.0    17.448    210.1
1098.0    17.500    210.2
1108.0    17.548    210.3
1118.0    17.591    210.4
1128.0    17.630    210.6
1138.0    17.665    210.7
1148.0    17.695    210.8
1158.0    17.720    210.9
1168.0    17.740    211.0
1178.0    17.755    211.2
1188.0    17.764    211.3
1198.0    17.768    211.4
1208.0    17.766    211.5
1218.0    17.758    211.6
1228.0    17.743    211.7
1238.0    17.723    211.9
1248.0    17.695    212.0
1258.0    17.660    212.1
1268.0    17.618    212.2
1278.0    17.569    212.3
1288.0    17.511    212.4
1298.0    17.445    212.6
1308.0    17.371    212.7
1318.0    17.287    212.8
1328.0    17.193    212.9
1338.0    17.089    213.1
1348.0    16.974    213.2
1358.0    16.848    213.3
1368.0    16.710    213.5
1378.0    16.559    213.6
1388.0    16.395    213.7
1398.0    16.216    213.9
1408.0    16.021    214.0
1418.0    15.810    214.2
1428.0    15.581    214.3
1438.0    15.333    214.5
1448.0    15.063    214.6
1458.0    14.771    214.8
1468.0    14.454    215.0
1478.0    14.110    215.1
1488.0    13.735    215.3
1498.0    13.327    215.5
1508.0    12.882    215.7
1518.0    12.394    216.0
1528.0    11.857    216.2
1538.0    11.265    216.5
1548.0    10.609    216.8
1558.0     9.877    217.2
1568.0     9.054    217.6
1578.0     8.121    218.1
1588.0     7.053    218.7
1598.0     5.818    219.6
1608.0     4.376    221.1
1618.0     2.698    224.2
1628.0     0.830    240.6
1638.0     1.273     24.0
1648.0     3.080     33.3
1658.0     4.568     35.8
1668.0     5.721     37.2
1678.0     6.604     38.2
1688.0     7.284     39.0
1698.0     7.812     39.6
1708.0     8.225     40.2
1718.0     8.548     40.7
1728.0     8.800     41.2
1738.0     8.994     41.7
1748.0     9.141     42.1
1758.0     9.249     42.6
1768.0     9.323     43.0
1778.0     9.368     43.4
1788.0     9.389     43.8
1798.0     9.388     44.3
1808.0     9.368     44.7
1818.0     9.332     45.1
1828.0     9.281     45.5
1838.0     9.217     46.0
1848.0     9.142     46.4
1858.0     9.056     46.8
1868.0     8.960     47.3
1878.0     8.856     47.8
1888.0     8.744     48.2
1898.0     8.626     48.7
1908.0     8.501     49.2
1918.0     8.370     49.8
1928.0     8.234     50.3
1938.0     8.094     50.9
1948.0     7.949     51.4
1958.0     7.800     52.0
1968.0     7.648     52.6
1978.0     7.493     53.3
1988.0     7.335     54.0
1998.0     7.175     54.7
2008.0     7.012     55.4
2018.0     6.848     56.2
2028.0     6.682     57.0
2038.0     6.515     57.8
2048.0     6.347     58.7
2058.0     6.179     59.7
2068.0     6.009     60.7
2078.0     5.840     61.7
2088.0     5.671     62.8
2098.0     5.503     64.0
2108.0     5.335     65.3
2118.0     5.168     66.6
2128.0     5.003     68.0
2138.0     4.840     69.6
2148.0     4.680     71.2
2158.0     4.522     72.9
2168.0     4.367     74.8
2178.0     4.217     76.8
2188.0     4.071     79.0
2198.0     3.930     81.3
2208.0     3.795     83.8
2218.0     3.667     86.4
2228.0     3.547     89.3
2238.0     3.435     92.3
2248.0     3.333     95.5
2258.0     3.241     99.0
2268.0     3.161    102.6
2278.0     3.093    106.4
2288.0     3.039    110.3
2298.0     2.999    114.3
2308.0     2.974    118.5
2318.0     2.965    122.7
2328.0     2.970    126.9
2338.0     2.991    131.1
2348.0     3.028    135.1
2358.0     3.078    139.1
2368.0     3.142    142.9
2378.0     3.219    146.6
2388.0     3.309    150.1
2398.0     3.409    153.3
2408.0     3.519    156.4
2418.0     3.638    159.3
2428.0     3.765    162.0
2438.0     3.899    164.5
2448.0     4.040    166.9
2458.0     4.187    169.1
2468.0     4.338    171.1
2478.0     4.494    173.0
2488.0     4.654    174.8
2498.0     4.818    176.4
2508.0     4.984    178.0
2518.0     5.154    179.4
2528.0     5.325    180.7
2538.0     5.499    182.0
2548.0     5.674    183.2
2558.0     5.851    184.3
2568.0     6.029    185.4
2578.0     6.208    186.3
2588.0     6.388    187.3
2598.0     6.569    188.2
2608.0     6.751    189.0
2618.0     6.933    189.8
2628.0     7.115    190.5
2638.0     7.298    191.2
2648.0     7.480    191.9
2658.0     7.663    192.6
2668.0     7.846    193.2
2678.0     8.028    193.8
2688.0     8.210    194.3
2698.0     8.392    194.9
2708.0     8.574    195.4
2718.0     8.755    195.9
2728.0     8.936    196.3
2738.0     9.116    196.8
2748.0     9.296    197.2
2758.0     9.475    197.6
2768.0     9.653    198.1
2778.0     9.831    198.4
2788.0    10.007    198.8
2798.0    10.183    199.2
2808.0    10.358    199.5
2818.0    10.532    199.9
2828.0    10.705    200.2
2838.0    10.878    200.5
2848.0    11.049    200.8
2858.0    11.219    201.1
2868.0    11.387    201.4
2878.0    11.555    201.7
2888.0    11.722    202.0
2898.0    11.887    202.2
2908.0    12.051    202.5
2918.0    12.214    202.7
2928.0    12.375    203.0
2938.0    12.535    203.2
2948.0    12.693    203.5
2958.0    12.850    203.7
2968.0    13.006    203.9
2978.0    13.160    204.1
2988.0    13.312    204.3
2998.0    13.463    204.5
3008.0    13.612    204.7
3018.0    13.760    204.9
3028.0    13.905    205.1
3038.0    14.049    205.3
3048.0    14.192    205.5
3058.0    14.332    205.7
3068.0    14.470    205.9
3078.0    14.607    206.0
3088.0    14.741    206.2
3098.0    14.873    206.4
3108.0    15.004    206.5
3118.0    15.132    206.7
3128.0    15.258    206.9
3138.0    15.382    207.0
3148.0    15.503    207.2
3158.0    15.622    207.3






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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