00431+7659 HU 1012

 
 
00H 43M 03.47S +76 59' 25.5" P.A. 116.1 SEP 0.51 MAG 9.83,9.71 SP G5
 
 
Coord 2000
00431+7659
Discov num
HU 1012
Comp
Coord arcsec 2000
00 43 03.47 +76 59 25.5
Date first
1904
Date last
2007
Obs
16
Pa first
210
Pa last
124
P.A. Now (θ)
116.1°
Sep first
0.5
Sep last
0.4
Sep. Now (ρ)
0.51"
Mag pri
9.83
Mag sec
9.71
delta mag (ΔM)
0.12
Spectral class
G5 (yellow)
Pri motion ra
-021
Sec motion ra
-021
Pri motion dec
-004
Sec motion dec
-004
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cassiopeia
SAO
4194
Tycho2
4497-00093-1
HD
3871
ADS
584
last precise pa
124
last precise sep
0.446
 
 
ORBITAL ELEMENTS
 
 
Period (P)580y Periastron (T)1875y Semi-major axis (a)1.17a
Eccentricity (e)0.687 Inclination (i)108.3° Longitude of periastron (ω)121.1°
Node (Ω)38.8° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation1995
label rho theta
2000 0.469 129.9
2001 0.471 129.1
2002 0.473 128.2
2003 0.475 127.3
2004 0.477 126.5
2005 0.479 125.6
2006 0.481 124.8
2007 0.484 123.9
2008 0.486 123.1
2009 0.488 122.3
2010 0.491 121.5
2011 0.494 120.7
2012 0.496 119.9
2013 0.499 119.1
2014 0.502 118.3
2015 0.505 117.6
2016 0.508 116.8
2017 0.511 116.1
2018 0.514 115.3
2019 0.517 114.6
2020 0.521 113.9
2021 0.524 113.2
2022 0.527 112.5
2023 0.531 111.8
2024 0.534 111.1
2025 0.538 110.4
2026 0.541 109.8
2027 0.545 109.1
2028 0.549 108.5
2029 0.552 107.8
2030 0.556 107.2

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

grafico orbita





grafico misure orbit6
Measures: green=micrometric, blue=interferometric, purple=photographic