23340+3120 BU  720 (72 Peg)

 
 
23H 33M 57.19S +31 19' 31.0" P.A. 102 SEP 0.6 MAG 5.67-6.11 SP K4IIIB DIST. 548 L.Y.
 
 
Coord 2000
23340+3120
Discov num
BU  720
Comp
Date first
1878
Date last
2011
Obs
463
Pa first
309
Pa last
102
Sep first
0.4
Sep last
0.6
Mag pri
5.67
Mag sec
6.11
Spectral class
K4IIIb (yellow-orange)
Pri motion ra
+049
Pri motion dec
-017
Sec motion ra
+049
Sec motion dec
-017
Notes
N O
Coord arcsec 2000
23 33 57.19 +31 19 31.0
delta mag (ΔM)
0.44
P.A. Now (θ)
102
Sep. Now (ρ)
0.6
Distance
548
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Common name
72 Peg
Constellation
Pegasus
Flamsteed
72 Peg
Other names
14617
HD
221673
HR
8943
Hipparcos
116310
Tycho-2
2766-01925-1
DM Number
+30 4978
ADS
16836
SAO
73341
 
 
ORBITAL ELEMENTS SOLUTION #1
 
 
Period492.31y+/- 75.96 Periastron1904.92y+/- 10.015 Semi-major axis0.568a+/- 0.065
Eccentricity0.322y+/- 0.047 Inclination21.7+/- 8.3 Longitude of periastron293+/- 15
Node56.2+/- 6 Note Grade4(1=Definitive, 9=Indeterminate)
period theta rho
2000 94.0 0.546
2001 94.7 0.547
2002 95.4 0.549
2003 96.1 0.551
2004 96.7 0.553
2005 97.4 0.554
2006 98.1 0.556
2007 98.8 0.558
2008 99.4 0.560
2009 100.1 0.561
2010 100.7 0.563
2011 101.4 0.565
2012 102.0 0.566
2013 102.7 0.568
2014 103.3 0.570
2015 104.0 0.571
2016 104.6 0.573
2017 105.2 0.575
2018 105.9 0.576
2019 106.5 0.578
2020 107.1 0.580
2021 107.7 0.581
2022 108.3 0.583
2023 108.9 0.584
2024 109.5 0.586
2025 110.1 0.587
2026 110.7 0.589
2027 111.3 0.591
2028 111.9 0.592
2029 112.5 0.594
2030 113.1 0.595

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

grafico orbita


grafico misure orbit6
 
 
ORBITAL ELEMENTS SOLUTION #2
 
 
Period1539d+/- 51 Periastron53356d+/- 32 Semi-major axis0.322m+/- 0.029
Eccentricity0d Inclination66.6+/- 4 Longitude of periastron0
Node128.3+/- 4.1 Note Grade9(1=Definitive, 9=Indeterminate)
period theta rho
2000-01-01 273.0 0.193
2000-01-02 273.3 0.194
2000-01-03 273.5 0.195
2000-01-04 273.8 0.195
2000-01-05 274.0 0.196
2000-01-06 274.3 0.197
2000-01-07 274.5 0.198
2000-01-08 274.8 0.199
2000-01-09 275.0 0.199
2000-01-10 275.3 0.200
2000-01-11 275.5 0.201
2000-01-12 275.7 0.202
2000-01-13 276.0 0.203
2000-01-14 276.2 0.203
2000-01-15 276.4 0.204
2000-01-16 276.7 0.205
2000-01-17 276.9 0.206
2000-01-18 277.1 0.206
2000-01-19 277.3 0.207
2000-01-20 277.6 0.208
2000-01-21 277.8 0.209
2000-01-22 278.0 0.210
2000-01-23 278.2 0.210
2000-01-24 278.4 0.211
2000-01-25 278.7 0.212
2000-01-26 278.9 0.213
2000-01-27 279.1 0.214
2000-01-28 279.3 0.214
2000-01-29 279.5 0.215
2000-01-30 279.7 0.216
2000-01-31 279.9 0.217

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

grafico orbita


grafico misure orbit6