1999 XW57

1999XW57, G4921, J99X57W

All data for this body: [vot]

MPC data
Name (number) 1999 XW57 (164921)
a 2.56771
e 0.20318
i / sin(i) 13.3147 / 0.23030
q 2.04600
Q 3.08941
ω 12.8884
Node 78.6225
m 263.4808
n 0.2395
Epoch 2460200.5
nobs 573
nopp 14
Years observed 1999-2023
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.568
ep 0.221
sin(ip) 0.206
Value Standard error
G 0.150
H 16.150
Mass
D
pV
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5679 0.2213 0.2062 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
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
16.15 MPC-2023-12-04 MPC-2023-12-04 Phot