00122+4647 A   802

 
 
00H 12M 10.31S +46 46' 29.7" P.A. 116.6 SEP 0.23 MAG 9.70,10.35 SP F8 DIST. 267.38 PC (872.19 L.Y.)
 
 
Coord 2000
00122+4647
Discov num
A   802
Comp
Coord arcsec 2000
00 12 10.31 +46 46 29.7
Date first
1904
Date last
1991
Obs
15
Pa first
338
Pa last
138
P.A. Now (θ)
116.6°
Sep first
0.2
Sep last
0.2
Sep. Now (ρ)
0.23"
Mag pri
9.70
Mag sec
10.35
delta mag (ΔM)
0.65
Spectral class
F8 (yellow-white)
Pri motion ra
+061
Sec motion ra
Pri motion dec
+006
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Andromeda
SAO
36152
HIP
984
Tycho2
3247-00446-1
HD
764
ADS
149
BD
BD+45 23
Distance
267.38
Distance ly
872.19
last precise pa
138
last precise sep
0.158
 
 
ORBITAL ELEMENTS
 
 
Period (P)269.52y Periastron (T)1972.51y Semi-major axis (a)0.26a
Eccentricity (e)0.511 Inclination (i)108.8° Longitude of periastron (ω)266.6°
Node (Ω)125.6° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation1991
label rho theta
2000 0.199 125.4
2001 0.203 124.8
2002 0.206 124.2
2003 0.209 123.6
2004 0.212 123.0
2005 0.214 122.5
2006 0.217 122.0
2007 0.219 121.4
2008 0.221 120.9
2009 0.223 120.4
2010 0.225 119.9
2011 0.226 119.4
2012 0.228 118.9
2013 0.229 118.5
2014 0.231 118.0
2015 0.232 117.5
2016 0.233 117.0
2017 0.233 116.6
2018 0.234 116.1
2019 0.235 115.7
2020 0.235 115.2
2021 0.236 114.8
2022 0.236 114.3
2023 0.236 113.9
2024 0.236 113.4
2025 0.236 113.0
2026 0.236 112.5
2027 0.236 112.1
2028 0.236 111.6
2029 0.236 111.2
2030 0.235 110.7

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