01409+1117 A  2320

 
 
01H 40M 54.30S +11 17' 13.5" P.A. 291.8 SEP 0.19 MAG 9.70,9.70 SP G5 DIST. 78.62 PC (256.46 L.Y.)
 
 
Coord 2000
01409+1117
Discov num
A  2320
Comp
Coord arcsec 2000
01 40 54.30 +11 17 13.5
Date first
1911
Date last
2007
Obs
21
Pa first
317
Pa last
274
P.A. Now (θ)
291.8°
Sep first
0.2
Sep last
0.2
Sep. Now (ρ)
0.19"
Mag pri
9.70
Mag sec
9.70
delta mag (ΔM)
0
Spectral class
G5 (yellow)
Pri motion ra
-065
Sec motion ra
Pri motion dec
-119
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Pisces
SAO
92572
HIP
7849
Tycho2
0624-00977-1
HD
10297
ADS
1321
BD
BD+10 221
Distance
78.62
Distance ly
256.46
last precise pa
273.8
last precise sep
0.218
 
 
ORBITAL ELEMENTS
 
 
Period (P)37.29y Periastron (T)1997.49y Semi-major axis (a)0.156a
Eccentricity (e)0.711 Inclination (i)59.2° Longitude of periastron (ω)54.2°
Node (Ω)74.4° Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation1995
label rho theta
2000 0.096 245.2
2001 0.123 252.3
2002 0.144 257.1
2003 0.161 260.7
2004 0.174 263.7
2005 0.184 266.3
2006 0.192 268.7
2007 0.198 270.9
2008 0.203 273.0
2009 0.205 275.1
2010 0.207 277.1
2011 0.207 279.0
2012 0.206 281.0
2013 0.204 283.0
2014 0.201 285.1
2015 0.197 287.2
2016 0.192 289.5
2017 0.187 291.8
2018 0.180 294.3
2019 0.173 297.0
2020 0.166 300.0
2021 0.158 303.2
2022 0.149 306.8
2023 0.140 310.8
2024 0.131 315.5
2025 0.121 320.8
2026 0.112 327.0
2027 0.103 334.3
2028 0.094 343.0
2029 0.087 353.4
2030 0.081 5.5

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