17119-0151 LPM 629
17h 11m 52.24s -01° 51' 06.5" P.A. 345.00 sep 0.6 mag 11.00,11.20 Sp M dist. 10.18 pc (33.21 l.y.)
| Coord 2000 |
17119-0151 |
|
Discov num |
LPM 629 |
|
Comp |
|
|
Coord arcsec 2000 |
17 11 52.24 -01 51 06.5 |
|
| Date first |
1948 |
|
Date last |
2021 |
|
Obs |
27 |
|
| Pa first |
292 |
|
Pa last |
344.9 |
|
P.A. Now (θ) |
7.1° |
|
| Sep first |
0.6 |
|
Sep last |
0.614 |
|
Sep. Now (ρ) |
0.596" |
|
| Mag pri |
11.00 |
|
Mag sec |
11.20 |
|
delta mag (ΔM) |
0.2 |
|
Spectral class |
M (red) |
|
| Pri motion ra |
-535 |
|
Sec motion ra |
|
|
| Pri motion dec |
-326 |
|
Sec motion dec |
|
|
| Notes |
N
O
(See Notes, Orbital solution) |
|
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Ophiuchus |
|
HIP |
84123 |
|
GL |
Gl 660A |
|
Distance |
10.18 |
|
| Distance ly |
33.21 |
|
ORBITAL ELEMENTS
| Period (P) | 34.49y | ± 0.11 |
Periastron (T) | 59799d (2022.6y) | ± 47 |
Semi-major axis (a) | 765.5m | ± 1.5 |
| Eccentricity (e) | 0.1999 | ± 0.0052 |
Inclination (i) | 19.25° | ± 0.74 |
Longitude of periastron (ω) | 218.9° | ± 4.5 |
| Node (Ω) | 143.5° | ± 5.3 |
Notes | n | |
Reference | MnA2019 | |
| Equinox | | |
Last observation | | |
Grade | 3 | (1=Definitive, 9=Indet.) |
| label |
theta |
rho |
| 2000 |
142.9 |
0.869 |
| 2001 |
150.3 |
0.885 |
| 2002 |
157.4 |
0.896 |
| 2003 |
164.4 |
0.902 |
| 2004 |
171.4 |
0.903 |
| 2005 |
178.3 |
0.901 |
| 2006 |
185.3 |
0.894 |
| 2007 |
192.5 |
0.884 |
| 2008 |
199.9 |
0.870 |
| 2009 |
207.5 |
0.854 |
| 2010 |
215.4 |
0.836 |
| 2011 |
223.7 |
0.817 |
| 2012 |
232.4 |
0.796 |
| 2013 |
241.5 |
0.775 |
| 2014 |
251.2 |
0.754 |
| 2015 |
261.4 |
0.733 |
| 2016 |
272.3 |
0.713 |
| 2017 |
283.7 |
0.694 |
| 2018 |
295.8 |
0.675 |
| 2019 |
308.6 |
0.656 |
| 2020 |
322.1 |
0.638 |
| 2021 |
336.4 |
0.621 |
| 2022 |
351.4 |
0.606 |
| 2023 |
7.1 |
0.596 |
| 2024 |
23.2 |
0.594 |
| 2025 |
39.1 |
0.601 |
| 2026 |
54.4 |
0.618 |
| 2027 |
68.6 |
0.643 |
| 2028 |
81.7 |
0.674 |
| 2029 |
93.5 |
0.709 |
| 2030 |
104.3 |
0.744 |
|
|
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
|
|
|
|
|
|
|
|
Measures: green=micrometric, blue=interferometric, purple=photographic |
|
