Xuelai

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

All data for this body: [vot]

MPC data
Name (number) Xuelai (25580)
a 2.75648
e 0.11337
i / sin(i) 3.3706 / 0.05880
q 2.44398
Q 3.06898
ω 308.8978
Node 195.4249
m 20.7180
n 0.2154
Epoch 2460200.5
nobs 1280
nopp 21
Years observed 1993-2023
rms 0.64
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.757
ep 0.143
sin(ip) 0.066
Value Standard error
G 0.150
H 14.970
Mass
D 5.04 0.084
pV 0.069 0.0061
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-Oct-2022
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
14.97 MPC-2023-12-04 MPC-2023-12-04 Phot