00026-0829 A   428

 
 
00H 02M 38.92S -08 29' 16.6" P.A. 311.8 SEP 0.11 MAG 9.82,10.07 SP G0 DIST. 134.77 PC (439.62 L.Y.)
 
 
Coord 2000
00026-0829
Discov num
A   428
Comp
Coord arcsec 2000
00 02 38.92 -08 29 16.6
Date first
1902
Date last
2014
Obs
42
Pa first
111
Pa last
316
P.A. Now (θ)
311.8°
Sep first
0.2
Sep last
0.1
Sep. Now (ρ)
0.11"
Mag pri
9.82
Mag sec
10.07
delta mag (ΔM)
0.25
Spectral class
G0 (yellow)
Pri motion ra
+000
Sec motion ra
Pri motion dec
-003
Sec motion dec
Notes
O (Orbital solution)
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cetus
HIP
210
Tycho2
5260-00354-1
HD
225015
ADS
4
BD
BD-09 6310
Distance
134.77
Distance ly
439.62
last precise pa
315.6
last precise sep
0.117
 
 
ORBITAL ELEMENTS
 
 
Period (P)414.95y± 20.96 Periastron (T)2005.35y± 2.47 Semi-major axis (a)0.505a± 0.021
Eccentricity (e)0.503± 0.013 Inclination (i)111.9°± 1.2 Longitude of periastron (ω)226.8°± 4.2
Node (Ω)192.2°± 2 Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation2014
label rho theta
2000 0.224 359.7
2001 0.217 358.2
2002 0.210 356.7
2003 0.203 355.0
2004 0.195 353.2
2005 0.188 351.3
2006 0.180 349.1
2007 0.172 346.8
2008 0.164 344.3
2009 0.156 341.5
2010 0.149 338.5
2011 0.141 335.1
2012 0.134 331.3
2013 0.127 327.1
2014 0.121 322.5
2015 0.115 317.3
2016 0.111 311.8
2017 0.107 305.7
2018 0.104 299.3
2019 0.103 292.6
2020 0.103 285.8
2021 0.104 279.1
2022 0.106 272.6
2023 0.109 266.4
2024 0.114 260.7
2025 0.119 255.5
2026 0.126 250.7
2027 0.132 246.4
2028 0.140 242.6
2029 0.148 239.1
2030 0.156 236.0

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.

grafico orbita





grafico misure orbit6