Xuelai

1998 QW56, 1998QW56, 1999 XU220, 1999XU220, 25580, J98Q56W, J99XM0U

All data for this body: [vot]

MPC data
Name (number) Xuelai (25580)
a 2.75684
e 0.11381
i / sin(i) 3.3704 / 0.05879
q 2.44309
Q 3.07059
ω 308.9450
Node 195.4133
m 149.8325
n 0.2153
Epoch 2460800.5
nobs 1521
nopp 23
Years observed 1993-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.757
ep 0.143
sin(ip) 0.066
G 0.150
H 14.960
Mass
D 5.04 0.084
pV 0.069 0.0061
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 4.572
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7570 0.1435 0.0659 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.86 0.184 0.184 Masiero 2011ApJ...741...68M NEATM
5.09 0.094 0.094 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.068 0.0065 0.0065 Masiero 2011ApJ...741...68M NEATM
0.075 0.0171 0.0171 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
14.96 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
C 0.08 Bus VIS Carvano 2010A&A...510A..43C PHOT
Ds Ad None None Movis NIR Popescu 2018A&A...617A..12P PHOT
S 0.762 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
V V 0.1051 0.1051 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT