1998 XZ40

1998XZ40, 14193, 1981 WZ4, 1981WZ4, 1992 WF, 1992WF, J81W04Z, J92W00F, J98X40Z

All data for this body: [vot]

MPC data
Name (number) 1998 XZ40 (14193)
a 3.14353
e 0.19970
i / sin(i) 8.0345 / 0.13977
q 2.51576
Q 3.77129
ω 11.7279
Node 15.4894
m 306.3666
n 0.1768
Epoch 2460800.5
nobs 3138
nopp 25
Years observed 1981-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.133
ep 0.182
sin(ip) 0.135
G 0.150
H 13.180
Mass
D 8.59 0.166
pV 0.166 0.0256
Value
Rotational Period 2.666
Period quality 2
Spectral Class X
Spectral Class Score 3.674
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1329 0.1825 0.1349 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.59 0.166 0.166 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.166 0.0256 0.0256 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
13.18 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
2.66598 2 Sidereal Durech 2023A&A...675A..24D Model
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
CX 0.13 Bus VIS Carvano 2010A&A...510A..43C PHOT
X DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
X 0.279 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT