01028+0214 A  2308

 
 
01H 02M 45.24S +02 13' 41.6" P.A. 119.5 SEP 0.4 MAG 9.87,11.73 SP G5 DIST. 111.23 PC (362.83 L.Y.)
 
 
Coord 2000
01028+0214
Discov num
A  2308
Comp
Coord arcsec 2000
01 02 45.24 +02 13 41.6
Date first
1910
Date last
2014
Obs
33
Pa first
338
Pa last
299
P.A. Now (θ)
119.5°
Sep first
0.3
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
9.87
Mag sec
11.73
delta mag (ΔM)
1.86
Spectral class
G5 (yellow)
Pri motion ra
+116
Sec motion ra
Pri motion dec
-008
Sec motion dec
Notes
O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation
Cetus
HIP
4886
Tycho2
0019-00158-1
ADS
864
BD
BD+01 194
Distance
111.23
Distance ly
362.83
last precise pa
298.8
last precise sep
0.389
 
 
ORBITAL ELEMENTS
 
 
Period (P)141.8y± 5.52 Periastron (T)1958.95y± 4.96 Semi-major axis (a)0.367a± 0.006
Eccentricity (e)0.124± 0.025 Inclination (i)62.9°± 2.2 Longitude of periastron (ω)10.5°± 13.9
Node (Ω)306.6°± 1.7 Note Grade3(1=Definitive, 9=Indet.)
Equinox2000 Last observation2014
label rho theta
2000 0.273 96.2
2001 0.282 98.2
2002 0.292 100.1
2003 0.301 101.9
2004 0.310 103.5
2005 0.319 105.1
2006 0.327 106.6
2007 0.335 108.0
2008 0.343 109.4
2009 0.350 110.6
2010 0.357 111.9
2011 0.364 113.1
2012 0.370 114.2
2013 0.376 115.3
2014 0.382 116.4
2015 0.387 117.4
2016 0.391 118.5
2017 0.395 119.5
2018 0.399 120.4
2019 0.402 121.4
2020 0.405 122.4
2021 0.407 123.3
2022 0.409 124.2
2023 0.410 125.1
2024 0.411 126.1
2025 0.412 127.0
2026 0.412 127.9
2027 0.411 128.8
2028 0.410 129.7
2029 0.409 130.6
2030 0.407 131.6

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