Kefennell

09477, 1992 YY4, 1992YY4, 1998 QK41, 1998QK41, 4836 P-L, 4836P-L, J92Y04Y, J98Q41K, PLS4836

All data for this body: [vot]

MPC data
Name (number) Kefennell (9477)
a 2.29371
e 0.04925
i / sin(i) 1.7894 / 0.03123
q 2.18075
Q 2.40666
ω 23.5859
Node 183.9605
m 205.4902
n 0.2837
Epoch 2460200.5
nobs 1935
nopp 20
Years observed 1960-2023
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.293
ep 0.087
sin(ip) 0.039
Value Standard error
G 0.150
H 15.380
Mass
D 2.43 0.333
pV 0.299 0.0816
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2927 0.0873 0.0393 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.43 0.333 0.333 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.299 0.0816 0.0816 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
15.38 MPC-2023-12-04 MPC-2023-12-04 Phot