1999 XT18

1999XT18, 1991 VF16, 1991VF16, 1995 WO33, 1995WO33, 41228, J91V16F, J95W33O, J99X18T

All data for this body: [vot]

MPC data
Name (number) 1999 XT18 (41228)
a 2.55116
e 0.26250
i / sin(i) 3.5462 / 0.06185
q 1.88149
Q 3.22084
ω 158.0950
Node 176.1814
m 339.1428
n 0.2419
Epoch 2460200.5
nobs 1006
nopp 21
Years observed 1991-2023
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.550
ep 0.225
sin(ip) 0.062
Value Standard error
G 0.150
H 15.490
Mass
D
pV
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5496 0.2246 0.0623 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
15.49 MPC-2023-12-04 MPC-2023-12-04 Phot