1995 WK18

1995WK18, 2001 XC135, 2001XC135, J95W18K, K01XD5C, L3023

All data for this body: [vot]

MPC data
Name (number) 1995 WK18 (213023)
a 3.10662
e 0.08579
i / sin(i) 4.4095 / 0.07688
q 2.84010
Q 3.37313
ω 346.5528
Node 244.9181
m 303.8113
n 0.1800
Epoch 2460800.5
nobs 613
nopp 22
Years observed 1990-2025
rms 0.86
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.106
ep 0.119
sin(ip) 0.096
G 0.150
H 15.440
Mass
D 3.87 1.381
pV 0.090 0.0515
Value
Rotational Period
Period quality None
Spectral Class B
Spectral Class Score 1.189
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
10 Hygiea 0 Hygiea Novakovic 2019EPSC...13.1671N HCM
10 Hygiea 601 Hygiea Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1061 0.1190 0.0957 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.87 1.381 1.381 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.090 0.0515 0.0515 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
15.44 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
B B 0.1982 0.1982 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT