01015+6922 A  2901

 
 
01H 01M 30.15S +69 21' 30.7" P.A. 65 SEP 0.4 MAG 7.12,7.84 SP B9 DIST. 273.97 PC (893.69 L.Y.)
 
 
Coord 2000
01015+6922
Discov num
A  2901
Comp
Coord arcsec 2000
01 01 30.15 +69 21 30.7
Date first
1917
Date last
2006
Obs
51
Pa first
10
Pa last
60
P.A. Now (θ)
65°
Sep first
0.2
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
7.12
Mag sec
7.84
delta mag (ΔM)
0.72
Spectral class
B9 (blue-white)
Pri motion ra
-007
Sec motion ra
-007
Pri motion dec
-003
Sec motion dec
-003
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cassiopeia
SAO
11526
HIP
4789
Tycho2
4296-00103-1
HD
5839
ADS
836
BD
BD+68 64
Distance
273.97
Distance ly
893.69
last precise pa
59.7
last precise sep
0.44
 
 
ORBITAL ELEMENTS
 
 
Period (P)1517.34y± 60.15 Periastron (T)1950.56y± 61.32 Semi-major axis (a)0.99a± 0.08
Eccentricity (e)0.621± 0.033 Inclination (i)69.3°± 0.9 Longitude of periastron (ω)330.2°± 0.9
Node (Ω)48.4°± 0.7 Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2001
label rho theta
2000 0.411 58.4
2001 0.411 58.7
2002 0.410 59.1
2003 0.410 59.5
2004 0.410 59.9
2005 0.409 60.3
2006 0.409 60.7
2007 0.408 61.0
2008 0.407 61.4
2009 0.407 61.8
2010 0.406 62.2
2011 0.405 62.6
2012 0.405 63.0
2013 0.404 63.4
2014 0.403 63.8
2015 0.402 64.2
2016 0.401 64.6
2017 0.400 65.0
2018 0.399 65.4
2019 0.398 65.8
2020 0.397 66.2
2021 0.396 66.6
2022 0.395 67.0
2023 0.394 67.4
2024 0.392 67.9
2025 0.391 68.3
2026 0.390 68.7
2027 0.389 69.1
2028 0.387 69.5
2029 0.386 70.0
2030 0.385 70.4

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