Willemkolff

11427, 1998 KR3, 1998KR3, 2611 P-L, 2611P-L, J98K03R, PLS2611

All data for this body: [vot]

MPC data
Name (number) Willemkolff (11427)
a 3.15788
e 0.10040
i / sin(i) 5.4774 / 0.09545
q 2.84082
Q 3.47494
ω 128.9118
Node 178.6036
m 215.3298
n 0.1756
Epoch 2460800.5
nobs 4129
nopp 25
Years observed 1960-2025
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.164
ep 0.085
sin(ip) 0.095
G 0.150
H 13.150
Mass
D 11.55 0.073
pV 0.100 0.0134
Value
Rotational Period 17.839
Period quality 2
Spectral Class D
Spectral Class Score 8.863
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1636 0.0851 0.0954 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
11.55 0.073 0.073 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.100 0.0134 0.0134 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
13.15 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
17.8395 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
D DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
D 0.83 Bus VIS Carvano 2010A&A...510A..43C PHOT
D D 0.8672 0.4280 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S 0.910000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
X D 0.5340 0.4280 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT