1999 WD18

1999WD18, J99W18D, K5143

All data for this body: [vot]

MPC data
Name (number) 1999 WD18 (205143)
a 2.61151
e 0.10706
i / sin(i) 5.7004 / 0.09933
q 2.33193
Q 2.89110
ω 175.8654
Node 225.2463
m 19.8175
n 0.2335
Epoch 2460800.5
nobs 394
nopp 16
Years observed 1999-2024
rms 0.86
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.611
ep 0.095
sin(ip) 0.112
G 0.150
H 16.870
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class V
Spectral Class Score 2.900
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6113 0.0951 0.1121 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
16.87 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
C S 0.0877 0.1380 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.2366 0.1380 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V S 0.1423 0.1380 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V S 0.3411 0.1380 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT