16579+4722 A 1874 AB (V1090 Her)
16h 57m 53.18s +47° 22' 00.0" P.A. 64.00 sep 5.0 mag 7.93,10.85 Sp K0V dist. 18.3 pc (59.69 l.y.)
| Coord 2000 |
16579+4722 |
|
Discov num |
A 1874 |
|
Comp |
AB |
|
Coord arcsec 2000 |
16 57 53.18 +47 22 00.0 |
|
| Date first |
1908 |
|
Date last |
2021 |
|
Obs |
47 |
|
| Pa first |
50 |
|
Pa last |
63.9 |
|
P.A. Now (θ) |
63.9° |
|
| Sep first |
2.9 |
|
Sep last |
4.979 |
|
Sep. Now (ρ) |
4.979" |
|
| Mag pri |
7.93 |
|
Mag sec |
10.85 |
|
delta mag (ΔM) |
2.92 |
|
Spectral class |
K0V (yellow-orange) |
|
| Pri motion ra |
-147 |
|
Sec motion ra |
-147 |
|
| Pri motion dec |
+272 |
|
Sec motion dec |
+272 |
|
| Notes |
N
O
W
(See Notes, Orbital solution, ) |
|
This double is physical.
16579+4722 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
V1090 Her |
46409 |
16 57 53 +47 22 00 |
A 1874 AB |
2021 |
47 |
64 |
5.0 |
7.93 |
10.85 |
2.92 |
Y |
<=== |
| Show |
|
46409 |
16 57 53 +47 22 00 |
STFA 32 AC |
2021 |
36 |
262 |
112.4 |
7.93 |
8.05 |
0.12 |
|
|
| Show |
|
46409 |
16 57 53 +47 22 00 |
A 1874 AD |
1998 |
2 |
246 |
25.9 |
7.93 |
15.00 |
7.07 |
|
|
| Show |
|
|
16 57 54 +47 22 02 |
STFA 32 BC |
2015 |
9 |
261 |
117.2 |
10.85 |
8.05 |
2.80 |
|
|
Quadruple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Var name |
V1090 Her |
|
Constellation |
Hercules |
|
SAO |
46409 |
|
HIP |
83020 |
|
| Tycho2 |
3500-01780-1 |
|
Gaia DR2 |
1408029509584967168 |
|
HD |
153557 |
|
ADS |
10288 |
|
| GL |
Gl 649.1A |
|
BD |
BD+47 2415 |
|
Distance |
18.3 |
|
Distance ly |
59.69 |
|
ORBITAL ELEMENTS SOLUTION #1
| Period (P) | 311y | ± 20 |
Periastron (T) | 1852y | ± 9 |
Semi-major axis (a) | 2.95a | ± 0.13 |
| Eccentricity (e) | 0.86 | ± 0.04 |
Inclination (i) | 64° | ± 5 |
Longitude of periastron (ω) | 332° | ± 4 |
| Node (Ω) | 256° | ± 3 |
Notes | n | |
Reference | Kis2009b | |
| Equinox | | |
Last observation | 2007 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
62.2 |
4.921 |
| 2001 |
62.3 |
4.929 |
| 2002 |
62.4 |
4.937 |
| 2003 |
62.5 |
4.944 |
| 2004 |
62.6 |
4.952 |
| 2005 |
62.7 |
4.959 |
| 2006 |
62.7 |
4.965 |
| 2007 |
62.8 |
4.972 |
| 2008 |
62.9 |
4.978 |
| 2009 |
63.0 |
4.983 |
| 2010 |
63.1 |
4.989 |
| 2011 |
63.2 |
4.994 |
| 2012 |
63.3 |
4.999 |
| 2013 |
63.4 |
5.003 |
| 2014 |
63.5 |
5.007 |
| 2015 |
63.6 |
5.011 |
| 2016 |
63.6 |
5.015 |
| 2017 |
63.7 |
5.018 |
| 2018 |
63.8 |
5.021 |
| 2019 |
63.9 |
5.024 |
| 2020 |
64.0 |
5.026 |
| 2021 |
64.1 |
5.028 |
| 2022 |
64.2 |
5.030 |
| 2023 |
64.3 |
5.031 |
| 2024 |
64.4 |
5.033 |
| 2025 |
64.4 |
5.033 |
| 2026 |
64.5 |
5.034 |
| 2027 |
64.6 |
5.034 |
| 2028 |
64.7 |
5.034 |
| 2029 |
64.8 |
5.033 |
| 2030 |
64.9 |
5.033 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
ORBITAL ELEMENTS SOLUTION #2
| Period (P) | 340y | ± 26 |
Periastron (T) | 1855y | ± 12 |
Semi-major axis (a) | 2.79a | ± 0.14 |
| Eccentricity (e) | 0.83 | ± 0.06 |
Inclination (i) | 61° | ± 7 |
Longitude of periastron (ω) | 351° | ± 7 |
| Node (Ω) | 249° | ± 3 |
Notes | n | |
Reference | Kis2009b | |
| Equinox | | |
Last observation | 2007 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
62.4 |
4.926 |
| 2001 |
62.5 |
4.935 |
| 2002 |
62.6 |
4.943 |
| 2003 |
62.7 |
4.951 |
| 2004 |
62.8 |
4.959 |
| 2005 |
62.8 |
4.966 |
| 2006 |
62.9 |
4.973 |
| 2007 |
63.0 |
4.980 |
| 2008 |
63.1 |
4.987 |
| 2009 |
63.2 |
4.993 |
| 2010 |
63.3 |
4.999 |
| 2011 |
63.4 |
5.005 |
| 2012 |
63.5 |
5.010 |
| 2013 |
63.6 |
5.016 |
| 2014 |
63.6 |
5.021 |
| 2015 |
63.7 |
5.025 |
| 2016 |
63.8 |
5.030 |
| 2017 |
63.9 |
5.034 |
| 2018 |
64.0 |
5.038 |
| 2019 |
64.1 |
5.042 |
| 2020 |
64.2 |
5.045 |
| 2021 |
64.3 |
5.048 |
| 2022 |
64.3 |
5.051 |
| 2023 |
64.4 |
5.053 |
| 2024 |
64.5 |
5.056 |
| 2025 |
64.6 |
5.058 |
| 2026 |
64.7 |
5.059 |
| 2027 |
64.8 |
5.061 |
| 2028 |
64.9 |
5.062 |
| 2029 |
65.0 |
5.063 |
| 2030 |
65.0 |
5.064 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
ORBITAL ELEMENTS SOLUTION #3
| Period (P) | 370y | ± 24 |
Periastron (T) | 1862y | ± 6 |
Semi-major axis (a) | 2.8a | ± 0.12 |
| Eccentricity (e) | 0.84 | ± 0.05 |
Inclination (i) | 58° | ± 7 |
Longitude of periastron (ω) | 10° | ± 5 |
| Node (Ω) | 241° | ± 3 |
Notes | n | |
Reference | Kis2009b | |
| Equinox | | |
Last observation | 2007 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
62.3 |
4.925 |
| 2001 |
62.4 |
4.934 |
| 2002 |
62.5 |
4.942 |
| 2003 |
62.6 |
4.951 |
| 2004 |
62.7 |
4.959 |
| 2005 |
62.7 |
4.968 |
| 2006 |
62.8 |
4.975 |
| 2007 |
62.9 |
4.983 |
| 2008 |
63.0 |
4.990 |
| 2009 |
63.1 |
4.998 |
| 2010 |
63.2 |
5.004 |
| 2011 |
63.3 |
5.011 |
| 2012 |
63.4 |
5.017 |
| 2013 |
63.5 |
5.024 |
| 2014 |
63.5 |
5.030 |
| 2015 |
63.6 |
5.035 |
| 2016 |
63.7 |
5.041 |
| 2017 |
63.8 |
5.046 |
| 2018 |
63.9 |
5.051 |
| 2019 |
64.0 |
5.056 |
| 2020 |
64.1 |
5.060 |
| 2021 |
64.1 |
5.065 |
| 2022 |
64.2 |
5.069 |
| 2023 |
64.3 |
5.072 |
| 2024 |
64.4 |
5.076 |
| 2025 |
64.5 |
5.079 |
| 2026 |
64.6 |
5.083 |
| 2027 |
64.7 |
5.086 |
| 2028 |
64.7 |
5.088 |
| 2029 |
64.8 |
5.091 |
| 2030 |
64.9 |
5.093 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
ORBITAL ELEMENTS SOLUTION #4
| Period (P) | 376y | ± 35 |
Periastron (T) | 1877y | ± 3 |
Semi-major axis (a) | 3.34a | ± 0.21 |
| Eccentricity (e) | 0.95 | ± 0.01 |
Inclination (i) | 48° | ± 8 |
Longitude of periastron (ω) | 56° | ± 10 |
| Node (Ω) | 203° | ± 15 |
Notes | n | |
Reference | Kis2009b | |
| Equinox | | |
Last observation | 2007 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
62.2 |
4.918 |
| 2001 |
62.3 |
4.928 |
| 2002 |
62.4 |
4.938 |
| 2003 |
62.5 |
4.947 |
| 2004 |
62.5 |
4.956 |
| 2005 |
62.6 |
4.965 |
| 2006 |
62.7 |
4.973 |
| 2007 |
62.8 |
4.982 |
| 2008 |
62.9 |
4.990 |
| 2009 |
63.0 |
4.998 |
| 2010 |
63.1 |
5.006 |
| 2011 |
63.2 |
5.013 |
| 2012 |
63.3 |
5.021 |
| 2013 |
63.3 |
5.028 |
| 2014 |
63.4 |
5.035 |
| 2015 |
63.5 |
5.042 |
| 2016 |
63.6 |
5.048 |
| 2017 |
63.7 |
5.055 |
| 2018 |
63.8 |
5.061 |
| 2019 |
63.9 |
5.067 |
| 2020 |
64.0 |
5.072 |
| 2021 |
64.0 |
5.078 |
| 2022 |
64.1 |
5.083 |
| 2023 |
64.2 |
5.088 |
| 2024 |
64.3 |
5.093 |
| 2025 |
64.4 |
5.098 |
| 2026 |
64.5 |
5.102 |
| 2027 |
64.6 |
5.107 |
| 2028 |
64.6 |
5.111 |
| 2029 |
64.7 |
5.115 |
| 2030 |
64.8 |
5.119 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
ORBITAL ELEMENTS SOLUTION #5
| Period (P) | 384y | ± 28 |
Periastron (T) | 1868y | ± 4 |
Semi-major axis (a) | 2.87a | ± 0.14 |
| Eccentricity (e) | 0.87 | ± 0.05 |
Inclination (i) | 55° | ± 7 |
Longitude of periastron (ω) | 21° | ± 5 |
| Node (Ω) | 235° | ± 3 |
Notes | n | |
Reference | Kis2009b | |
| Equinox | | |
Last observation | 2007 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
62.4 |
4.934 |
| 2001 |
62.5 |
4.943 |
| 2002 |
62.5 |
4.953 |
| 2003 |
62.6 |
4.962 |
| 2004 |
62.7 |
4.971 |
| 2005 |
62.8 |
4.980 |
| 2006 |
62.9 |
4.988 |
| 2007 |
63.0 |
4.997 |
| 2008 |
63.1 |
5.005 |
| 2009 |
63.2 |
5.013 |
| 2010 |
63.2 |
5.020 |
| 2011 |
63.3 |
5.028 |
| 2012 |
63.4 |
5.035 |
| 2013 |
63.5 |
5.042 |
| 2014 |
63.6 |
5.049 |
| 2015 |
63.7 |
5.055 |
| 2016 |
63.8 |
5.061 |
| 2017 |
63.8 |
5.067 |
| 2018 |
63.9 |
5.073 |
| 2019 |
64.0 |
5.079 |
| 2020 |
64.1 |
5.084 |
| 2021 |
64.2 |
5.090 |
| 2022 |
64.3 |
5.095 |
| 2023 |
64.4 |
5.099 |
| 2024 |
64.4 |
5.104 |
| 2025 |
64.5 |
5.108 |
| 2026 |
64.6 |
5.112 |
| 2027 |
64.7 |
5.116 |
| 2028 |
64.8 |
5.120 |
| 2029 |
64.9 |
5.124 |
| 2030 |
64.9 |
5.127 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
ORBITAL ELEMENTS SOLUTION #6
| Period (P) | 390y | ± 39 |
Periastron (T) | 1874y | ± 3 |
Semi-major axis (a) | 3.05a | ± 0.2 |
| Eccentricity (e) | 0.92 | ± 0.04 |
Inclination (i) | 50° | ± 10 |
Longitude of periastron (ω) | 38° | ± 10 |
| Node (Ω) | 221° | ± 11 |
Notes | n | |
Reference | Kis2009b | |
| Equinox | | |
Last observation | 2007 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
62.0 |
4.942 |
| 2001 |
62.1 |
4.952 |
| 2002 |
62.2 |
4.961 |
| 2003 |
62.3 |
4.971 |
| 2004 |
62.3 |
4.980 |
| 2005 |
62.4 |
4.990 |
| 2006 |
62.5 |
4.999 |
| 2007 |
62.6 |
5.007 |
| 2008 |
62.7 |
5.016 |
| 2009 |
62.8 |
5.024 |
| 2010 |
62.9 |
5.032 |
| 2011 |
62.9 |
5.040 |
| 2012 |
63.0 |
5.048 |
| 2013 |
63.1 |
5.055 |
| 2014 |
63.2 |
5.063 |
| 2015 |
63.3 |
5.070 |
| 2016 |
63.4 |
5.077 |
| 2017 |
63.5 |
5.083 |
| 2018 |
63.5 |
5.090 |
| 2019 |
63.6 |
5.096 |
| 2020 |
63.7 |
5.102 |
| 2021 |
63.8 |
5.108 |
| 2022 |
63.9 |
5.113 |
| 2023 |
63.9 |
5.119 |
| 2024 |
64.0 |
5.124 |
| 2025 |
64.1 |
5.129 |
| 2026 |
64.2 |
5.134 |
| 2027 |
64.3 |
5.139 |
| 2028 |
64.4 |
5.143 |
| 2029 |
64.4 |
5.147 |
| 2030 |
64.5 |
5.151 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
SUSPECTED ORBITAL ELEMENTS
SUSPECTED ORBITAL ELEMENTS SOLUTION #1
| Identifier | 16579+4722 |
| coord_arcsec_2000 | 165753.18+472200.0 |
| Period (P) | 470c | |
Periastron (T) | 13612y | |
Semi-major axis (a) | 89.1a | |
| Eccentricity (e) | 0.56 | |
Inclination (i) | 155° | |
Longitude of periastron (ω) | 324° | |
| Node (Ω) | 82° | |
Notes | n | |
Reference | Kis2009b | |
| Equinox | | |
Last observation | 2007 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
262.2 |
112.080 |
| 2001 |
262.2 |
112.075 |
| 2002 |
262.2 |
112.070 |
| 2003 |
262.2 |
112.066 |
| 2004 |
262.2 |
112.061 |
| 2005 |
262.2 |
112.056 |
| 2006 |
262.2 |
112.052 |
| 2007 |
262.2 |
112.047 |
| 2008 |
262.2 |
112.042 |
| 2009 |
262.2 |
112.038 |
| 2010 |
262.2 |
112.033 |
| 2011 |
262.2 |
112.028 |
| 2012 |
262.2 |
112.023 |
| 2013 |
262.2 |
112.019 |
| 2014 |
262.2 |
112.014 |
| 2015 |
262.1 |
112.009 |
| 2016 |
262.1 |
112.005 |
| 2017 |
262.1 |
112.000 |
| 2018 |
262.1 |
111.995 |
| 2019 |
262.1 |
111.990 |
| 2020 |
262.1 |
111.986 |
| 2021 |
262.1 |
111.981 |
| 2022 |
262.1 |
111.976 |
| 2023 |
262.1 |
111.972 |
| 2024 |
262.1 |
111.967 |
| 2025 |
262.1 |
111.962 |
| 2026 |
262.1 |
111.957 |
| 2027 |
262.1 |
111.953 |
| 2028 |
262.1 |
111.948 |
| 2029 |
262.1 |
111.943 |
| 2030 |
262.1 |
111.939 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
SUSPECTED ORBITAL ELEMENTS
SUSPECTED ORBITAL ELEMENTS SOLUTION #2
| Identifier | 16579+4722 |
| coord_arcsec_2000 | 165753.18+472200.0 |
| Period (P) | 640c | ± 110 |
Periastron (T) | 20434y | ± 2480 |
Semi-major axis (a) | 110.3a | ± 12.3 |
| Eccentricity (e) | 0.33 | ± 0.11 |
Inclination (i) | 136° | ± 5 |
Longitude of periastron (ω) | 358° | ± 19 |
| Node (Ω) | 115° | ± 6 |
Notes | n | |
Reference | Kis2009b | |
| Equinox | | |
Last observation | 2007 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
261.6 |
113.485 |
| 2001 |
261.6 |
113.480 |
| 2002 |
261.6 |
113.475 |
| 2003 |
261.6 |
113.471 |
| 2004 |
261.6 |
113.466 |
| 2005 |
261.6 |
113.461 |
| 2006 |
261.6 |
113.457 |
| 2007 |
261.6 |
113.452 |
| 2008 |
261.6 |
113.447 |
| 2009 |
261.6 |
113.442 |
| 2010 |
261.6 |
113.438 |
| 2011 |
261.6 |
113.433 |
| 2012 |
261.5 |
113.428 |
| 2013 |
261.5 |
113.423 |
| 2014 |
261.5 |
113.419 |
| 2015 |
261.5 |
113.414 |
| 2016 |
261.5 |
113.409 |
| 2017 |
261.5 |
113.404 |
| 2018 |
261.5 |
113.400 |
| 2019 |
261.5 |
113.395 |
| 2020 |
261.5 |
113.390 |
| 2021 |
261.5 |
113.386 |
| 2022 |
261.5 |
113.381 |
| 2023 |
261.5 |
113.376 |
| 2024 |
261.5 |
113.371 |
| 2025 |
261.5 |
113.367 |
| 2026 |
261.5 |
113.362 |
| 2027 |
261.5 |
113.357 |
| 2028 |
261.5 |
113.352 |
| 2029 |
261.5 |
113.348 |
| 2030 |
261.5 |
113.343 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
SUSPECTED ORBITAL ELEMENTS
SUSPECTED ORBITAL ELEMENTS SOLUTION #3
| Identifier | 16579+4722 |
| coord_arcsec_2000 | 165753.18+472200.0 |
| Period (P) | 640c | ± 110 |
Periastron (T) | 14343y | ± 895 |
Semi-major axis (a) | 110.3a | ± 12.3 |
| Eccentricity (e) | 0.64 | ± 0.04 |
Inclination (i) | 151° | ± 4 |
Longitude of periastron (ω) | 240° | ± 16 |
| Node (Ω) | 3° | ± 19 |
Notes | n | |
Reference | Kis2009b | |
| Equinox | | |
Last observation | 2007 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
262.0 |
112.798 |
| 2001 |
262.0 |
112.793 |
| 2002 |
262.0 |
112.788 |
| 2003 |
262.0 |
112.784 |
| 2004 |
262.0 |
112.779 |
| 2005 |
262.0 |
112.774 |
| 2006 |
262.0 |
112.769 |
| 2007 |
262.0 |
112.765 |
| 2008 |
262.0 |
112.760 |
| 2009 |
262.0 |
112.755 |
| 2010 |
262.0 |
112.750 |
| 2011 |
262.0 |
112.746 |
| 2012 |
262.0 |
112.741 |
| 2013 |
262.0 |
112.736 |
| 2014 |
262.0 |
112.731 |
| 2015 |
262.0 |
112.727 |
| 2016 |
262.0 |
112.722 |
| 2017 |
262.0 |
112.717 |
| 2018 |
262.0 |
112.712 |
| 2019 |
261.9 |
112.708 |
| 2020 |
261.9 |
112.703 |
| 2021 |
261.9 |
112.698 |
| 2022 |
261.9 |
112.693 |
| 2023 |
261.9 |
112.689 |
| 2024 |
261.9 |
112.684 |
| 2025 |
261.9 |
112.679 |
| 2026 |
261.9 |
112.674 |
| 2027 |
261.9 |
112.670 |
| 2028 |
261.9 |
112.665 |
| 2029 |
261.9 |
112.660 |
| 2030 |
261.9 |
112.655 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
SUSPECTED ORBITAL ELEMENTS
SUSPECTED ORBITAL ELEMENTS SOLUTION #4
| Identifier | 16579+4722 |
| coord_arcsec_2000 | 165753.18+472200.0 |
| Period (P) | 880c | |
Periastron (T) | 25794y | |
Semi-major axis (a) | 133.7a | |
| Eccentricity (e) | 0.19 | |
Inclination (i) | 128° | |
Longitude of periastron (ω) | 351° | |
| Node (Ω) | 120° | |
Notes | n | |
Reference | Kis2009b | |
| Equinox | | |
Last observation | 2007 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
260.6 |
109.768 |
| 2001 |
260.6 |
109.763 |
| 2002 |
260.6 |
109.758 |
| 2003 |
260.6 |
109.754 |
| 2004 |
260.6 |
109.749 |
| 2005 |
260.6 |
109.744 |
| 2006 |
260.6 |
109.740 |
| 2007 |
260.6 |
109.735 |
| 2008 |
260.6 |
109.730 |
| 2009 |
260.6 |
109.726 |
| 2010 |
260.6 |
109.721 |
| 2011 |
260.6 |
109.716 |
| 2012 |
260.6 |
109.712 |
| 2013 |
260.6 |
109.707 |
| 2014 |
260.5 |
109.702 |
| 2015 |
260.5 |
109.698 |
| 2016 |
260.5 |
109.693 |
| 2017 |
260.5 |
109.688 |
| 2018 |
260.5 |
109.684 |
| 2019 |
260.5 |
109.679 |
| 2020 |
260.5 |
109.674 |
| 2021 |
260.5 |
109.670 |
| 2022 |
260.5 |
109.665 |
| 2023 |
260.5 |
109.660 |
| 2024 |
260.5 |
109.656 |
| 2025 |
260.5 |
109.651 |
| 2026 |
260.5 |
109.646 |
| 2027 |
260.5 |
109.642 |
| 2028 |
260.5 |
109.637 |
| 2029 |
260.5 |
109.632 |
| 2030 |
260.5 |
109.628 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
SUSPECTED ORBITAL ELEMENTS
SUSPECTED ORBITAL ELEMENTS SOLUTION #5
| Identifier | 16579+4722 |
| coord_arcsec_2000 | 165753.18+472200.0 |
| Period (P) | 880c | |
Periastron (T) | 16487y | |
Semi-major axis (a) | 133.7a | |
| Eccentricity (e) | 0.63 | |
Inclination (i) | 142° | |
Longitude of periastron (ω) | 220° | |
| Node (Ω) | 347° | |
Notes | n | |
Reference | Kis2009b | |
| Equinox | | |
Last observation | 2007 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
260.8 |
111.479 |
| 2001 |
260.8 |
111.474 |
| 2002 |
260.8 |
111.470 |
| 2003 |
260.8 |
111.465 |
| 2004 |
260.8 |
111.460 |
| 2005 |
260.8 |
111.456 |
| 2006 |
260.8 |
111.451 |
| 2007 |
260.8 |
111.446 |
| 2008 |
260.8 |
111.442 |
| 2009 |
260.8 |
111.437 |
| 2010 |
260.8 |
111.433 |
| 2011 |
260.7 |
111.428 |
| 2012 |
260.7 |
111.423 |
| 2013 |
260.7 |
111.419 |
| 2014 |
260.7 |
111.414 |
| 2015 |
260.7 |
111.409 |
| 2016 |
260.7 |
111.405 |
| 2017 |
260.7 |
111.400 |
| 2018 |
260.7 |
111.395 |
| 2019 |
260.7 |
111.391 |
| 2020 |
260.7 |
111.386 |
| 2021 |
260.7 |
111.381 |
| 2022 |
260.7 |
111.377 |
| 2023 |
260.7 |
111.372 |
| 2024 |
260.7 |
111.367 |
| 2025 |
260.7 |
111.363 |
| 2026 |
260.7 |
111.358 |
| 2027 |
260.7 |
111.354 |
| 2028 |
260.7 |
111.349 |
| 2029 |
260.7 |
111.344 |
| 2030 |
260.7 |
111.340 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
