Kettnergriswold

09151, 1979 MQ8, 1979MQ8, 1989 EP9, 1989EP9, 1998 MC24, 1998MC24, J79M08Q, J89E09P, J98M24C

All data for this body: [vot]

MPC data
Name (number) Kettnergriswold (9151)
a 2.43163
e 0.12388
i / sin(i) 3.7464 / 0.06534
q 2.13039
Q 2.73286
ω 288.2678
Node 132.4508
m 124.7295
n 0.2599
Epoch 2460200.5
nobs 1769
nopp 22
Years observed 1979-2023
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.431
ep 0.118
sin(ip) 0.056
Value Standard error
G 0.150
H 15.530
Mass
D 4.72 0.111
pV 0.060 0.0067
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4310 0.1179 0.0561 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.60 0.870 0.870 Masiero 2012ApJ...759L...8M NEATM
4.72 0.112 0.112 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.060 0.0068 0.0068 Masiero 2011ApJ...741...68M NEATM
0.063 0.0420 0.0420 Masiero 2012ApJ...759L...8M 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
15.53 MPC-2023-12-04 MPC-2023-12-04 Phot