10163+1744 STT 215

 
 
10h 16m 16.05s +17 44' 24.6" P.A. 176.1 sep 1.5 mag 7.25,7.46 Sp A9IV dist. 114.55 pc (373.66 l.y.)
 
 
Coord 2000
10163+1744
Discov num
STT 215
Comp
Coord arcsec 2000
10 16 16.05 +17 44 24.6
Date first
1843
Date last
2018
Obs
443
Pa first
256
Pa last
176
P.A. Now (θ)
176.1°
Sep first
0.3
Sep last
1.5
Sep. Now (ρ)
1.5"
Mag pri
7.25
Mag sec
7.46
delta mag (ΔM)
0.21
Spectral class
A9IV (white)
Pri motion ra
-007
Sec motion ra
-007
Pri motion dec
+001
Sec motion dec
+001
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
176.3
Precise sep
1.471
Constellation
Leo
SAO
99032
HIP
50305
Tycho2
1422-00314-1
Gaia DR2
7996238208
HD
88987
HR
4028
ADS
7704
BD
BD+18 2338
Distance
114.55
Distance ly
373.66
last precise pa
176.3
last precise sep
1.471
 
 
ORBITAL ELEMENTS
 
 
Period (P)702.4y Periastron (T)1826.63y Semi-major axis (a)1.035a
Eccentricity (e)0.707 Inclination (i)180° Longitude of periastron (ω)116.5°
Node (Ω)90.6° Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2018
label rho theta
2000 1.432 179.5
2001 1.436 179.3
2002 1.440 179.1
2003 1.444 179.0
2004 1.448 178.8
2005 1.452 178.6
2006 1.456 178.4
2007 1.459 178.2
2008 1.463 178.0
2009 1.467 177.9
2010 1.471 177.7
2011 1.474 177.5
2012 1.478 177.3
2013 1.482 177.1
2014 1.485 177.0
2015 1.489 176.8
2016 1.492 176.6
2017 1.496 176.4
2018 1.499 176.3
2019 1.503 176.1
2020 1.506 175.9
2021 1.510 175.8
2022 1.513 175.6
2023 1.516 175.4
2024 1.520 175.2
2025 1.523 175.1
2026 1.526 174.9
2027 1.530 174.7
2028 1.533 174.6
2029 1.536 174.4
2030 1.539 174.2

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

grafico orbita





wds10163%2B1744b.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
10163+1744 STT 215 2007 423 183 1.3 7.25 7.46 A9IV NOD 101616.05+174424.6
10163+1744 STT 215 2008 427 181 1.5 7.25 7.46 A9IV NOD 101616.05+174424.6
10163+1744 STT 215 2010 431 177 1.5 7.25 7.46 A9IV NOD 101616.05+174424.6
10163+1744 STT 215 2011 434 178 1.6 7.25 7.46 A9IV NOD 101616.05+174424.6
10163+1744 STT 215 2013 450 176 1.4 7.25 7.46 A9IV NOD 101616.05+174424.6
10163+1744 STT 215 2014 425 177 1.5 7.25 7.46 A9IV OD 101616.05+174424.6
10163+1744 STT 215 2015 427 176 1.5 7.25 7.46 A9IV O 101616.05+174424.6
10163+1744 STT 215 2016 432 177 1.7 7.25 7.46 A9IV O 101616.05+174424.6
10163+1744 STT 215 2017 436 178 1.5 7.25 7.46 A9IV O 101616.05+174424.6
10163+1744 STT 215 2018 443 176 1.5 7.25 7.46 A9IV O 101616.05+174424.6

If you need more information about this double, apply for a data request form to the WDS.