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 2.43119
e 0.12395
i / sin(i) 3.7469 / 0.06535
q 2.12985
Q 2.73252
ω 288.4745
Node 132.4372
m 280.4643
n 0.2600
Epoch 2460800.5
nobs 1854
nopp 24
Years observed 1979-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.431
ep 0.118
sin(ip) 0.056
G 0.150
H 15.520
Mass
D 4.72 0.111
pV 0.060 0.0067
Value
Rotational Period
Period quality None
Spectral Class B
Spectral Class Score 3.400
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-Nov-2024
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
15.52 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
B B 0.5667 0.2850 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C B 0.1339 0.2850 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT