Hiragagennai

08144, 1982 VY2, 1982VY2, 1986 PU2, 1986PU2, 1989 CQ8, 1989CQ8, J82V02Y, J86P02U, J89C08Q

All data for this body: [vot]

MPC data
Name (number) Hiragagennai (8144)
a 2.92991
e 0.04920
i / sin(i) 3.0176 / 0.05264
q 2.78577
Q 3.07405
ω 352.3726
Node 122.9695
m 350.6677
n 0.1965
Epoch 2460200.5
nobs 3646
nopp 29
Years observed 1982-2023
rms 0.60
Best values
[raw, vot]

Value Standard error
Parent Koronis (158)
 
ap 2.931
ep 0.072
sin(ip) 0.035
Value Standard error
G 0.150
H 13.380
Mass
D 6.62 0.118
pV 0.245 0.0221
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
158 Koronis 605 Koronis 0.6700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9308 0.0716 0.0353 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.61 0.119 0.119 Masiero 2011ApJ...741...68M NEATM
6.91 1.130 1.130 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.194 0.0560 0.0560 Masiero 2012ApJ...759L...8M NEATM
0.255 0.0241 0.0241 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
13.38 MPC-2023-12-04 MPC-2023-12-04 Phot