19466+0703 TOK 368

 
 
19h 46m 36.10s +07 03' 20.4" P.A. 299.00 sep 0.1 mag 8.20,10.00 Sp G5 dist. 65.88 pc (214.9 l.y.)
 
 
Coord 2000
19466+0703
Discov num
TOK 368
Comp
Coord arcsec 2000
19 46 36.10 +07 03 20.4
Date first
2012
Date last
2020
Obs
9
Pa first
194
Pa last
295
P.A. Now (θ)
299°
Sep first
0.1
Sep last
0.1
Sep. Now (ρ)
0.11"
Mag pri
8.20
Mag sec
10.00
delta mag (ΔM)
1.8
Spectral class
G5 (yellow)
Pri motion ra
+042
Sec motion ra
Pri motion dec
-011
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
294.9
Precise sep
0.112
Constellation
Hydra
HIP
97312
Tycho2
0492-02023-1
Gaia DR2
4297698074882634112
HD
186843
BD
BD+06 4300
Distance
65.88
Distance ly
214.9
last precise pa
294.9
last precise sep
0.112
 
 
ORBITAL ELEMENTS
 
 
Period (P)30y Periastron (T)2013.34y Semi-major axis (a)0.194a
Eccentricity (e)0.223 Inclination (i)59.8° Longitude of periastron (ω)140.3°
Node (Ω)54.1° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2021
label rho theta
2000 0.217 39.9
2001 0.224 44.5
2002 0.226 48.8
2003 0.224 53.2
2004 0.216 57.8
2005 0.203 62.8
2006 0.185 68.6
2007 0.163 75.9
2008 0.136 85.9
2009 0.109 100.8
2010 0.087 124.5
2011 0.081 156.9
2012 0.095 186.5
2013 0.118 206.4
2014 0.139 219.8
2015 0.154 230.0
2016 0.159 238.9
2017 0.156 247.8
2018 0.147 257.4
2019 0.134 268.6
2020 0.121 282.3
2021 0.111 299.0
2022 0.107 317.9
2023 0.112 336.5
2024 0.124 352.4
2025 0.141 5.1
2026 0.159 15.1
2027 0.177 23.0
2028 0.193 29.5
2029 0.207 35.0
2030 0.217 39.9


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.



 
 


wds19466%2B0703a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19466+0703 TOK 368 2012 2 191 0.1 8.20 10.00 G5 N 194636.10+070320.4
19466+0703 TOK 368 2014 3 224 0.1 8.20 10.00 G5 N 194636.10+070320.4
19466+0703 TOK 368 2015 4 231 0.1 8.20 10.00 G5 N 194636.10+070320.4
19466+0703 TOK 368 2017 6 251 0.2 8.20 10.00 G5 N 194636.10+070320.4
19466+0703 TOK 368 2018 7 82 0.1 8.20 10.00 G5 N 194636.10+070320.4
19466+0703 TOK 368 2019 8 275 0.1 8.20 10.00 G5 N 194636.10+070320.4

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