1998 XS31

1998XS31, 13383, 1996 SQ8, 1996SQ8, J96S08Q, J98X31S

All data for this body: [vot]

MPC data
Name (number) 1998 XS31 (13383)
a 5.17148
e 0.06565
i / sin(i) 6.3916 / 0.11132
q 4.83199
Q 5.51097
ω 162.6709
Node 252.2049
m 108.6483
n 0.0838
Epoch 2460800.5
nobs 2908
nopp 27
Years observed 1951-2025
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
G 0.150
H 11.400
Mass
D 23.88 0.480
pV 0.116 0.0173
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 4.458
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
23.54 0.660 0.660 Grav 2011ApJ...742...40G NEATM
24.27 0.700 0.700 Grav 2012ApJ...759...49G NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.109 0.0220 0.0220 Grav 2012ApJ...759...49G NEATM
0.127 0.0280 0.0280 Grav 2011ApJ...742...40G 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
11.40 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
X 0.743 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT