01499+8053 STT  34

 
 
01H 49M 53.05S +80 53' 11.2" P.A. 295.8 SEP 0.35 MAG 7.58,8.12 SP A0V DIST. 198.81 PC (648.52 L.Y.)
 
 
Coord 2000
01499+8053
Discov num
STT  34
Comp
Coord arcsec 2000
01 49 53.05 +80 53 11.2
Date first
1843
Date last
2007
Obs
55
Pa first
111
Pa last
285
P.A. Now (θ)
295.8°
Sep first
0.4
Sep last
0.5
Sep. Now (ρ)
0.35"
Mag pri
7.58
Mag sec
8.12
delta mag (ΔM)
0.54
Spectral class
A0V (white)
Pri motion ra
-017
Sec motion ra
-017
Pri motion dec
+001
Sec motion dec
+001
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cepheus
SAO
291
HIP
8519
Tycho2
4506-01383-1
HD
10648
ADS
1411
BD
BD+80 55
Distance
198.81
Distance ly
648.52
last precise pa
284.6
last precise sep
0.51
 
 
ORBITAL ELEMENTS
 
 
Period (P)195.89y± 4.13 Periastron (T)2025.36y± 1.31 Semi-major axis (a)0.715a± 0.013
Eccentricity (e)0.62± 0.037 Inclination (i)79.8°± 0.8 Longitude of periastron (ω)263.5°± 1.1
Node (Ω)113.1°± 0.8 Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2003
label rho theta
2000 0.518 285.2
2001 0.517 285.7
2002 0.515 286.2
2003 0.513 286.7
2004 0.510 287.2
2005 0.505 287.7
2006 0.500 288.2
2007 0.494 288.7
2008 0.487 289.3
2009 0.478 289.8
2010 0.468 290.4
2011 0.456 291.0
2012 0.443 291.7
2013 0.428 292.4
2014 0.411 293.1
2015 0.392 293.9
2016 0.371 294.8
2017 0.347 295.8
2018 0.320 297.0
2019 0.291 298.4
2020 0.258 300.1
2021 0.223 302.4
2022 0.185 305.6
2023 0.145 310.4
2024 0.104 319.1
2025 0.067 338.0
2026 0.048 22.4
2027 0.067 67.1
2028 0.104 86.1
2029 0.145 94.8
2030 0.185 99.6

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