Kourakuen

09147, 1951 CJ, 1951CJ, 1969 VT2, 1969VT2, 1977 DD1, 1977DD1, 1982 US9, 1982US9, J51C00J, J69V02T, J77D01D, J82U09S

All data for this body: [vot]

MPC data
Name (number) Kourakuen (9147)
a 2.19189
e 0.10597
i / sin(i) 5.8180 / 0.10137
q 1.95962
Q 2.42415
ω 252.9714
Node 142.2602
m 50.5891
n 0.3037
Epoch 2460800.5
nobs 7474
nopp 27
Years observed 1951-2025
rms 0.52
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.191
ep 0.108
sin(ip) 0.107
G 0.150
H 13.770
Mass
D 4.91 0.076
pV 0.245 0.0452
Value
Rotational Period
Period quality None
Spectral Class V
Spectral Class Score 61.080
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1914 0.1076 0.1071 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.79 0.252 0.252 Masiero 2011ApJ...741...68M NEATM
4.92 0.080 0.080 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.241 0.0524 0.0524 Masiero 2011ApJ...741...68M NEATM
0.255 0.0893 0.0893 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.77 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
V Bus-DeMeo NIR DeSanctis 2011A&A...533A..77D SPEC
V Bus VIS Roig 2006Icar..183..411R PHOT
V Bus VIS Solontoi 2012Icar..220..577S SPEC
V DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
V Popescu NIR Mansour 2020MNRAS.491.5966M SPEC+PHOT
V 0.82 Bus VIS Carvano 2010A&A...510A..43C PHOT
V 1.000 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
V 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
V 1.000000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
V V None None Movis NIR Popescu 2018A&A...617A..12P PHOT
V V 0.9068 0.9560 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V V 0.9999 0.9560 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
Vp Carvano NIR Hardersen 2015ApJS..221...19H SPEC