2000 WY18

2000WY18, 1994 WN4, 1994WN4, 39105, J94W04N, K00W18Y

All data for this body: [vot]

MPC data
Name (number) 2000 WY18 (39105)
a 3.11120
e 0.16890
i / sin(i) 18.7382 / 0.32124
q 2.58571
Q 3.63670
ω 190.4864
Node 79.7265
m 326.5054
n 0.1796
Epoch 2460800.5
nobs 2257
nopp 22
Years observed 1994-2025
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent Tirela (1400)
 
ap 3.116
ep 0.194
sin(ip) 0.289
G 0.150
H 13.730
Mass
D 5.99 0.228
pV 0.215 0.0338
Value
Rotational Period 4.700
Period quality 2
Spectral Class S
Spectral Class Score 11.628
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1400 Tirela 0 Tirela Novakovic 2019EPSC...13.1671N HCM
1400 Tirela 612 Tirela 0.0000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1163 0.1938 0.2892 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.99 0.228 0.228 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.215 0.0338 0.0338 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
13.73 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.73 Synodic Erasmus 2018ApJS..237...19E Lightcurve
4.73 2 Synodic Erasmus 2019ApJS..242...15E Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.969000 Bus-DeMeo VIS Erasmus 2018ApJS..237...19E PHOT
S 0.969000 Bus-DeMeo VIS Erasmus 2019ApJS..242...15E PHOT