1998 WL18

1998WL18, A1472, J98W18L

All data for this body: [vot]

MPC data
Name (number) 1998 WL18 (101472)
a 2.38585
e 0.24411
i / sin(i) 6.2633 / 0.10910
q 1.80345
Q 2.96824
ω 343.9861
Node 30.3946
m 92.7904
n 0.2674
Epoch 2460800.5
nobs 1123
nopp 17
Years observed 1998-2025
rms 0.79
Best values
[raw, vot]

Value Standard error
Parent Erigone (163)
 
ap 2.386
ep 0.208
sin(ip) 0.094
G 0.150
H 16.100
Mass
D 3.62 0.035
pV 0.053 0.0060
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
163 Erigone 0 Erigone Novakovic 2019EPSC...13.1671N HCM
163 Erigone 406 Erigone 0.6700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3864 0.2083 0.0937 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.59 0.860 0.860 Masiero 2017AJ....154..168M NEATM
3.62 0.035 0.035 Masiero 2011ApJ...741...68M NEATM
3.81 0.890 0.890 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.051 0.0180 0.0290 Masiero 2021PSJ.....2..162M NEATM
0.052 0.0064 0.0064 Masiero 2011ApJ...741...68M NEATM
0.055 0.0274 0.0274 Masiero 2017AJ....154..168M 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
16.10 MPC-2023-12-04 MPC-2023-12-04 Phot