Fukuchan

1997 WB30, 1997WB30, 2000 PJ19, 2000PJ19, 39809, J97W30B, K00P19J

All data for this body: [vot]

MPC data
Name (number) Fukuchan (39809)
a 2.22874
e 0.22049
i / sin(i) 5.4102 / 0.09428
q 1.73732
Q 2.72015
ω 278.6950
Node 85.3464
m 127.1788
n 0.2962
Epoch 2460800.5
nobs 1137
nopp 19
Years observed 1996-2025
rms 0.82
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.229
ep 0.171
sin(ip) 0.082
G 0.150
H 16.320
Mass
D 1.53 0.213
pV 0.331 0.0927
Value
Rotational Period
Period quality None
Spectral Class L
Spectral Class Score 5.880
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2286 0.1709 0.0817 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.53 0.213 0.213 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.331 0.0927 0.0927 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
16.32 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
D DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
D 0.22 Bus VIS Carvano 2010A&A...510A..43C PHOT
L S 0.840000 0.150000 Mahlke VISNIR Mahlke 2022A&A...665A..26M SPEC
S S 0.5697 0.5610 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT