10287+4558 A 1993 (HD 90619)
10h 28m 43.86s +45° 57' 51.1" P.A. 225.00 sep 0.3 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 |
2019 |
|
Obs |
28 |
|
| Pa first |
46 |
|
Pa last |
225.1 |
|
P.A. Now (θ) |
225.1° |
|
| Sep first |
0.5 |
|
Sep last |
0.33 |
|
Sep. Now (ρ) |
0.33" |
|
| 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
| Name |
HD 90619 |
|
Constellation |
Ursa Major |
|
SAO |
43357 |
|
HIP |
51301 |
|
| Tycho2 |
3435-00973-1 |
|
Gaia DR2 |
833311758090538880 |
|
HD |
90619 |
|
ADS |
7785 |
|
| BD |
BD+46 1631 |
|
Distance |
104.6 |
|
Distance ly |
341.21 |
|
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 |
Notes | n | |
Reference | Lin2004a | |
| Equinox | 2000 | |
Last observation | 1997 | |
Grade | 4 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
165.7 |
0.260 |
| 2001 |
169.2 |
0.247 |
| 2002 |
173.0 |
0.234 |
| 2003 |
177.3 |
0.219 |
| 2004 |
182.3 |
0.202 |
| 2005 |
188.3 |
0.183 |
| 2006 |
195.7 |
0.163 |
| 2007 |
205.3 |
0.142 |
| 2008 |
218.2 |
0.121 |
| 2009 |
235.9 |
0.104 |
| 2010 |
258.6 |
0.095 |
| 2011 |
282.6 |
0.099 |
| 2012 |
302.7 |
0.113 |
| 2013 |
317.5 |
0.133 |
| 2014 |
328.1 |
0.156 |
| 2015 |
336.0 |
0.179 |
| 2016 |
342.2 |
0.200 |
| 2017 |
347.2 |
0.221 |
| 2018 |
351.3 |
0.240 |
| 2019 |
354.9 |
0.258 |
| 2020 |
358.1 |
0.274 |
| 2021 |
0.9 |
0.289 |
| 2022 |
3.4 |
0.303 |
| 2023 |
5.7 |
0.316 |
| 2024 |
7.8 |
0.328 |
| 2025 |
9.8 |
0.339 |
| 2026 |
11.7 |
0.349 |
| 2027 |
13.5 |
0.358 |
| 2028 |
15.2 |
0.367 |
| 2029 |
16.8 |
0.376 |
| 2030 |
18.3 |
0.383 |
| 2031 |
19.8 |
0.391 |
| 2032 |
21.2 |
0.397 |
| 2033 |
22.6 |
0.404 |
| 2034 |
23.9 |
0.410 |
| 2035 |
25.2 |
0.415 |
| 2036 |
26.5 |
0.420 |
| 2037 |
27.7 |
0.425 |
| 2038 |
28.9 |
0.430 |
| 2039 |
30.1 |
0.434 |
| 2040 |
31.3 |
0.438 |
| 2041 |
32.4 |
0.441 |
| 2042 |
33.5 |
0.445 |
| 2043 |
34.7 |
0.448 |
| 2044 |
35.8 |
0.451 |
| 2045 |
36.8 |
0.453 |
| 2046 |
37.9 |
0.456 |
| 2047 |
39.0 |
0.458 |
| 2048 |
40.0 |
0.460 |
| 2049 |
41.1 |
0.462 |
| 2050 |
42.1 |
0.464 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
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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° | |
Notes | n | |
Reference | Lin2017b | |
| Equinox | 2000 | |
Last observation | 2017 | |
Grade | 5 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
165.7 |
0.289 |
| 2001 |
168.7 |
0.285 |
| 2002 |
171.8 |
0.281 |
| 2003 |
174.9 |
0.278 |
| 2004 |
178.1 |
0.275 |
| 2005 |
181.3 |
0.273 |
| 2006 |
184.6 |
0.272 |
| 2007 |
187.9 |
0.271 |
| 2008 |
191.2 |
0.271 |
| 2009 |
194.6 |
0.271 |
| 2010 |
197.9 |
0.272 |
| 2011 |
201.1 |
0.274 |
| 2012 |
204.4 |
0.276 |
| 2013 |
207.5 |
0.279 |
| 2014 |
210.6 |
0.283 |
| 2015 |
213.6 |
0.287 |
| 2016 |
216.6 |
0.292 |
| 2017 |
219.4 |
0.297 |
| 2018 |
222.1 |
0.303 |
| 2019 |
224.7 |
0.309 |
| 2020 |
227.2 |
0.316 |
| 2021 |
229.6 |
0.323 |
| 2022 |
231.9 |
0.330 |
| 2023 |
234.1 |
0.338 |
| 2024 |
236.1 |
0.346 |
| 2025 |
238.1 |
0.355 |
| 2026 |
240.0 |
0.363 |
| 2027 |
241.8 |
0.372 |
| 2028 |
243.5 |
0.381 |
| 2029 |
245.2 |
0.390 |
| 2030 |
246.7 |
0.400 |
| 2031 |
248.2 |
0.409 |
| 2032 |
249.7 |
0.419 |
| 2033 |
251.0 |
0.429 |
| 2034 |
252.3 |
0.439 |
| 2035 |
253.6 |
0.449 |
| 2036 |
254.7 |
0.459 |
| 2037 |
255.9 |
0.469 |
| 2038 |
257.0 |
0.479 |
| 2039 |
258.0 |
0.489 |
| 2040 |
259.0 |
0.500 |
| 2041 |
260.0 |
0.510 |
| 2042 |
260.9 |
0.520 |
| 2043 |
261.8 |
0.530 |
| 2044 |
262.6 |
0.541 |
| 2045 |
263.4 |
0.551 |
| 2046 |
264.2 |
0.561 |
| 2047 |
265.0 |
0.572 |
| 2048 |
265.7 |
0.582 |
| 2049 |
266.4 |
0.592 |
| 2050 |
267.1 |
0.603 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
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Measures: green=micrometric, blue=interferometric, purple=photographic |
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