06024+0939 A 2715 AB (Mu Ori)

Coord 2000	06024+0939		Discov num	A  2715		Comp	AB		Coord arcsec 2000	06 02 22.99 +09 38 50.5
Date first	1914		Date last	2021		Obs	133
Pa first	32		Pa last	207.6		P.A. Now (θ)	207.6°
Sep first	0.4		Sep last	0.076		Sep. Now (ρ)	0.076"
Mag pri	4.30		Mag sec	6.27		delta mag (ΔM)	1.97		Spectral class	A2V (white)
Pri motion ra	+012		Sec motion ra	+012
Pri motion dec	-034		Sec motion dec	-034
Notes	N O (See Notes, Orbital solution)

This double is physical.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show	Mu Ori	113389	06 02 23 +09 38 50	A 2715 AB	2021	133	208	0.1	4.30	6.27	1.97	Y	<===
Show		113389	06 02 23 +09 38 50	BU 1056 AB,C	2008	8	285	18.9	4.30	14.00	9.70

Triple system
4 estimated visually detectable stars in this system

Name	Mu Ori		Var name	NSV2792 Ori		Constellation	Orion		SAO	113389
HIP	28614		Tycho2	0721-02468-1		Gaia DR2	3329650894894946816		HD	40932
HR	2124		GC	7635		ADS	4617		BD	BD+09 1064
Bayer	Mu Orionis		Bayer name	Mu Ori		Flamsteed	61 Orionis		Flamsteed name	61 Ori
Distance	47.51		Distance ly	154.98		Bayer greek	μ Ori

Period (P)	18.641y	± 0.008	Periastron (T)	2003.742y	± 0.004	Semi-major axis (a)	0.2741a	± 0.0001
Eccentricity (e)	0.744	± 0.001	Inclination (i)	96.59°	± 0.02	Longitude of periastron (ω)	217.08°	± 0.08
Node (Ω)	24.76°	± 0.02	Notes	n		Reference	DRs2012
Equinox			Last observation	2011		Grade	2	(1=Definitive, 9=Indet.)

label theta rho 2000 10.2 0.146 2001 0.8 0.080 2002 291.9 0.025 2003 214.3 0.072 2004 160.8 0.013 2005 28.3 0.157 2006 25.6 0.258 2007 24.3 0.324 2008 23.4 0.366 2009 22.6 0.393 2010 21.9 0.406 2011 21.2 0.408 2012 20.6 0.400 2013 19.9 0.384 2014 19.0 0.360 2015 18.1 0.327 2016 16.9 0.287 2017 15.3 0.240 2018 12.8 0.185 2019 8.0 0.123 2020 351.9 0.056 2021 241.8 0.036 2022 207.9 0.082 2023 35.3 0.061 2024 27.0 0.199 2025 25.1 0.285 2026 24.0 0.341 2027 23.1 0.377 2028 22.4 0.399 2029 21.7 0.408 2030 21.0 0.406		Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
		Measures: green=micrometric, blue=interferometric, purple=photographic

Identifier	06024+0939 A 2715 A
coord_arcsec_2000	060222.99+093850.5

Period (P)	4.447585d	± 0.000001	Periastron (T)	43739.69m (1978.632y)	± 0.26	Semi-major axis (a)	1.661m	± 0.016
Eccentricity (e)	0.0037	± 0.0014	Inclination (i)	47.1°	± 9	Longitude of periastron (ω)	304°	± 21
Node (Ω)	50.5°	± 3.7	Notes	n		Reference	Mut2008
Equinox	2000		Last observation	2007		Grade	9	(1=Definitive, 9=Indet.)

label theta rho 2000-01-01 261.4 0.001 2001-01-01 313.5 0.001 2002-01-01 10.7 0.001 2003-01-01 45.9 0.002 2004-01-01 77.7 0.001 2005-01-01 126.9 0.001 2006-01-01 185.3 0.001 2007-01-01 221.9 0.002 2008-01-01 252.8 0.002 2009-01-01 299.0 0.001 2010-01-01 359.6 0.001 2011-01-01 38.7 0.002 2012-01-01 69.5 0.002 2013-01-01 113.1 0.001 2014-01-01 173.7 0.001 2015-01-01 214.7 0.002 2016-01-01 245.1 0.002 2017-01-01 285.8 0.001 2018-01-01 347.0 0.001 2019-01-01 31.2 0.002 2020-01-01 62.0 0.002 2021-01-01 100.6 0.001 2022-01-01 160.5 0.001 2023-01-01 206.9 0.002 2024-01-01 237.9 0.002 2025-01-01 274.2 0.001 2026-01-01 332.8 0.001 2027-01-01 22.9 0.001 2028-01-01 54.9 0.002 2029-01-01 89.8 0.001 2030-01-01 146.0 0.001		Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
		Measures: green=micrometric, blue=interferometric, purple=photographic

Identifier	06024+0939 A 2715 B
coord_arcsec_2000	060222.99+093850.5

Period (P)	4.783535d	± 0.000003	Periastron (T)	43746.4m (1978.651y)	± 0.63	Semi-major axis (a)	1.688m	± 0.013
Eccentricity (e)	0.0016	± 0.0014	Inclination (i)	110.71°	± 0.73	Longitude of periastron (ω)	217°	± 47
Node (Ω)	111.3°	± 3.9	Notes	n		Reference	Mut2008
Equinox	2000		Last observation	2007		Grade	9	(1=Definitive, 9=Indet.)

label theta rho 2000-01-01 251.9 0.001 2001-01-01 106.2 0.002 2002-01-01 307.1 0.001 2003-01-01 203.8 0.001 2004-01-01 96.7 0.001 2005-01-01 297.2 0.002 2006-01-01 153.2 0.001 2007-01-01 81.1 0.001 2008-01-01 289.1 0.002 2009-01-01 131.5 0.001 2010-01-01 45.4 0.001 2011-01-01 280.4 0.002 2012-01-01 120.2 0.002 2013-01-01 347.5 0.001 2014-01-01 267.7 0.001 2015-01-01 111.8 0.002 2016-01-01 317.5 0.001 2017-01-01 241.4 0.001 2018-01-01 103.6 0.002 2019-01-01 303.7 0.001 2020-01-01 185.2 0.001 2021-01-01 93.0 0.001 2022-01-01 294.7 0.002 2023-01-01 144.7 0.001 2024-01-01 73.6 0.001 2025-01-01 286.7 0.002 2026-01-01 127.5 0.001 2027-01-01 27.8 0.001 2028-01-01 277.2 0.001 2029-01-01 117.5 0.002 2030-01-01 335.4 0.001		Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
		Measures: green=micrometric, blue=interferometric, purple=photographic