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 2.29278
e 0.04979
i / sin(i) 1.7893 / 0.03122
q 2.17863
Q 2.40693
ω 24.2200
Node 183.9580
m 15.2094
n 0.2839
Epoch 2460800.5
nobs 2416
nopp 21
Years observed 1960-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.293
ep 0.087
sin(ip) 0.039
G 0.150
H 15.350
Mass
D 2.43 0.333
pV 0.299 0.0816
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 3.620
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-Nov-2024
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
15.35 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
A A 0.0279 0.0279 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.81 Bus VIS Carvano 2010A&A...510A..43C PHOT