02382+4604 A  1278

 
 
02H 38M 13.90S +46 04' 03.0" P.A. 302 SEP 0.21 MAG 8.90,9.00 SP F5
 
 
Coord 2000
02382+4604
Discov num
A  1278
Comp
Coord arcsec 2000
02 38 13.90 +46 04 03.0
Date first
1906
Date last
2010
Obs
25
Pa first
283
Pa last
132
P.A. Now (θ)
302°
Sep first
0.2
Sep last
0.2
Sep. Now (ρ)
0.21"
Mag pri
8.90
Mag sec
9.00
delta mag (ΔM)
0.1
Spectral class
F5 (yellow-white)
Pri motion ra
-008
Sec motion ra
Pri motion dec
-037
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Andromeda
SAO
38185
Tycho2
3296-02445-1
HD
16283
ADS
1992
last precise pa
131.7
last precise sep
0.22
 
 
ORBITAL ELEMENTS
 
 
Period (P)108.59y Periastron (T)2000.64y Semi-major axis (a)0.234a
Eccentricity (e)0.711 Inclination (i)104.7° Longitude of periastron (ω)73.5°
Node (Ω)131° Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2010
label rho theta
2000 0.041 110.5
2001 0.019 65.2
2002 0.030 346.8
2003 0.056 327.6
2004 0.081 320.6
2005 0.102 316.7
2006 0.120 314.0
2007 0.136 312.1
2008 0.149 310.5
2009 0.161 309.1
2010 0.171 308.0
2011 0.180 306.9
2012 0.187 305.9
2013 0.194 305.1
2014 0.200 304.2
2015 0.205 303.4
2016 0.209 302.7
2017 0.213 302.0
2018 0.216 301.2
2019 0.218 300.6
2020 0.220 299.9
2021 0.222 299.2
2022 0.223 298.6
2023 0.224 297.9
2024 0.225 297.3
2025 0.225 296.6
2026 0.225 296.0
2027 0.225 295.4
2028 0.224 294.7
2029 0.223 294.1
2030 0.222 293.4

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