10287+4558 A  1993

 
 
10h 28m 43.86s +45 57' 51.1" P.A. 351.3 sep 0.24 mag 9.25,10.22 Sp G0 dist. 104.6 pc (341.21 l.y.)
 
 
Coord 2000
10287+4558
Discov num
A  1993
Comp
Coord arcsec 2000
10 28 43.86 +45 57 51.1
Date first
1909
Date last
1997
Obs
23
Pa first
46
Pa last
155
P.A. Now (θ)
351.3°
Sep first
0.5
Sep last
0.3
Sep. Now (ρ)
0.24"
Mag pri
9.25
Mag sec
10.22
delta mag (ΔM)
0.97
Spectral class
G0 (yellow)
Pri motion ra
-023
Sec motion ra
Pri motion dec
+010
Sec motion dec
Notes
N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
154.9
Precise sep
0.26
Constellation
Ursa Major
SAO
43357
HIP
51301
Tycho2
3435-00973-1
HD
90619
ADS
7785
BD
BD+46 1631
Distance
104.6
Distance ly
341.21
last precise pa
154.9
last precise sep
0.26
 
 
ORBITAL ELEMENTS SOLUTION #1
 
 
Period (P)142.61y± 8.7 Periastron (T)2009.78y± 1.8 Semi-major axis (a)0.423a± 0.019
Eccentricity (e)0.655± 0.055 Inclination (i)49.6°± 4.2 Longitude of periastron (ω)80.8°± 1
Node (Ω)177.3°± 2.4 Note Grade4(1=Definitive, 9=Indet.)
Equinox2000 Last observation1997
label rho theta
2000 0.260 165.7
2001 0.247 169.2
2002 0.234 173.0
2003 0.219 177.3
2004 0.202 182.3
2005 0.183 188.3
2006 0.163 195.7
2007 0.142 205.3
2008 0.121 218.2
2009 0.104 235.9
2010 0.095 258.6
2011 0.099 282.6
2012 0.113 302.7
2013 0.133 317.5
2014 0.156 328.1
2015 0.179 336.0
2016 0.200 342.2
2017 0.221 347.2
2018 0.240 351.3
2019 0.258 354.9
2020 0.274 358.1
2021 0.289 0.9
2022 0.303 3.4
2023 0.316 5.7
2024 0.328 7.8
2025 0.339 9.8
2026 0.349 11.7
2027 0.358 13.5
2028 0.367 15.2
2029 0.376 16.8
2030 0.383 18.3

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

grafico orbita





wds10287%2B4558a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
ORBITAL ELEMENTS SOLUTION #2
 
 
Period (P)2137y Periastron (T)1991y Semi-major axis (a)2.046a
Eccentricity (e)0.822 Inclination (i)52.6° Longitude of periastron (ω)29.1°
Node (Ω)124.3° Note Grade5(1=Definitive, 9=Indet.)
Equinox2000 Last observation2017
label rho theta
2000 0.289 165.7
2001 0.285 168.7
2002 0.281 171.8
2003 0.278 174.9
2004 0.275 178.1
2005 0.273 181.3
2006 0.272 184.6
2007 0.271 187.9
2008 0.271 191.2
2009 0.271 194.6
2010 0.272 197.9
2011 0.274 201.1
2012 0.276 204.4
2013 0.279 207.5
2014 0.283 210.6
2015 0.287 213.6
2016 0.292 216.6
2017 0.297 219.4
2018 0.303 222.1
2019 0.309 224.7
2020 0.316 227.2
2021 0.323 229.6
2022 0.330 231.9
2023 0.338 234.1
2024 0.346 236.1
2025 0.355 238.1
2026 0.363 240.0
2027 0.372 241.8
2028 0.381 243.5
2029 0.390 245.2
2030 0.400 246.7

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

grafico orbita





wds10287%2B4558b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
10287+4558 A 1993 1997 23 155 0.3 9.25 10.22 G0 NOD 102843.86+455751.1

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