1998 KN9

1998KN9, 1999 TT27, 1999TT27, 44172, J98K09N, J99T27T

All data for this body: [vot]

MPC data
Name (number) 1998 KN9 (44172)
a 2.56792
e 0.07163
i / sin(i) 16.1724 / 0.27853
q 2.38397
Q 2.75186
ω 32.5894
Node 227.3751
m 70.1121
n 0.2395
Epoch 2460200.5
nobs 2591
nopp 20
Years observed 1998-2023
rms 0.60
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.569
ep 0.089
sin(ip) 0.288
Value Standard error
G 0.150
H 13.840
Mass
D 4.98 0.151
pV 0.259 0.0494
Rotational Period 19.227
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5694 0.0887 0.2881 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.98 0.151 0.151 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.259 0.0494 0.0494 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
13.84 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
19.23 Durech 2023A&A...675A..24D Model