1998 WE12

1998WE12, 2000 CW40, 2000CW40, 25289, J98W12E, K00C40W

All data for this body: [vot]

MPC data
Name (number) 1998 WE12 (25289)
a 2.89935
e 0.03431
i / sin(i) 3.2801 / 0.05722
q 2.79988
Q 2.99882
ω 100.9991
Node 95.0391
m 352.7834
n 0.1996
Epoch 2460800.5
nobs 3328
nopp 24
Years observed 1995-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent Koronis (158)
 
ap 2.900
ep 0.073
sin(ip) 0.037
G 0.150
H 13.330
Mass
D 6.20 0.228
pV 0.220 0.0447
Value
Rotational Period 5.610
Period quality 2
Spectral Class S
Spectral Class Score 6.569
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
158 Koronis 0 Koronis Novakovic 2019EPSC...13.1671N HCM
158 Koronis 605 Koronis 0.3300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9002 0.0727 0.0371 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.20 0.228 0.228 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.220 0.0447 0.0447 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
13.33 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.616087 2 Sidereal Durech 2019A&A...631A...2D Model
5.61612 2 Sidereal Durech 2023A&A...675A..24D Model
5.617 2 Synodic Erasmus 2020ApJS..247...13E Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.300 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.7948 0.7948 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT