1999 WF18

1999WF18, 26403, J99W18F

All data for this body: [vot]

MPC data
Name (number) 1999 WF18 (26403)
a 2.56510
e 0.14939
i / sin(i) 14.3391 / 0.24766
q 2.18191
Q 2.94830
ω 315.1102
Node 115.9603
m 104.6841
n 0.2399
Epoch 2460800.5
nobs 3291
nopp 23
Years observed 1955-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent Eunomia (15)
 
ap 2.565
ep 0.155
sin(ip) 0.232
G 0.150
H 13.740
Mass
D 5.28 0.173
pV 0.231 0.0349
Value
Rotational Period 5.160
Period quality 2
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
15 Eunomia 0 Eunomia Novakovic 2019EPSC...13.1671N HCM
15 Eunomia 502 Eunomia -0.8300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5646 0.1547 0.2323 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.28 0.173 0.173 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.231 0.0349 0.0349 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
13.74 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.166 2 Synodic Waszczak 2015AJ....150...75W Lightcurve