23340+3120 BU  720 (72 Peg)

 
 
23H 33M 57.19S +31 19' 31.0" SEP 0.6 P.A. 102 MAG 5.67,6.11 SP K4IIIB DIST. 548 L.Y.
 
 
Coord 2000
23340+3120
Discov num
BU  720
Comp
Coord arcsec 2000
23 33 57.19 +31 19 31.0
Date first
1878
Date last
2011
Obs
465
Sep first
0.4
Sep last
0.6
Sep. Now (ρ)
0.6
Pa first
309
Pa last
102
P.A. Now (θ)
102
Mag pri
5.67
Mag sec
6.11
delta mag (ΔM)
0.44
Spectral class
K4IIIb (yellow-orange)
Pri motion ra
+049
Sec motion ra
+049
Pri motion dec
-017
Sec motion dec
-017
Notes
N O
 
 
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)
Equinox2000 Last observation2008
period rho theta
2000 0.546 94.0
2001 0.547 94.7
2002 0.549 95.4
2003 0.551 96.1
2004 0.553 96.7
2005 0.554 97.4
2006 0.556 98.1
2007 0.558 98.8
2008 0.560 99.4
2009 0.561 100.1
2010 0.563 100.7
2011 0.565 101.4
2012 0.566 102.0
2013 0.568 102.7
2014 0.570 103.3
2015 0.571 104.0
2016 0.573 104.6
2017 0.575 105.2
2018 0.576 105.9
2019 0.578 106.5
2020 0.580 107.1
2021 0.581 107.7
2022 0.583 108.3
2023 0.584 108.9
2024 0.586 109.5
2025 0.587 110.1
2026 0.589 110.7
2027 0.591 111.3
2028 0.592 111.9
2029 0.594 112.5
2030 0.595 113.1

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)
Equinox2000 Last observation2008
period rho theta
2000-01-01 0.193 273.0
2000-01-02 0.194 273.3
2000-01-03 0.195 273.5
2000-01-04 0.195 273.8
2000-01-05 0.196 274.0
2000-01-06 0.197 274.3
2000-01-07 0.198 274.5
2000-01-08 0.199 274.8
2000-01-09 0.199 275.0
2000-01-10 0.200 275.3
2000-01-11 0.201 275.5
2000-01-12 0.202 275.7
2000-01-13 0.203 276.0
2000-01-14 0.203 276.2
2000-01-15 0.204 276.4
2000-01-16 0.205 276.7
2000-01-17 0.206 276.9
2000-01-18 0.206 277.1
2000-01-19 0.207 277.3
2000-01-20 0.208 277.6
2000-01-21 0.209 277.8
2000-01-22 0.210 278.0
2000-01-23 0.210 278.2
2000-01-24 0.211 278.4
2000-01-25 0.212 278.7
2000-01-26 0.213 278.9
2000-01-27 0.214 279.1
2000-01-28 0.214 279.3
2000-01-29 0.215 279.5
2000-01-30 0.216 279.7
2000-01-31 0.217 279.9

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

grafico orbita





grafico misure orbit6