1999 XT157

1999XT157, 1998 QY87, 1998QY87, 41309, J98Q87Y, J99XF7T

All data for this body: [vot]

MPC data
Name (number) 1999 XT157 (41309)
a 3.06278
e 0.05524
i / sin(i) 10.1147 / 0.17562
q 2.89358
Q 3.23198
ω 128.8065
Node 247.4342
m 220.7538
n 0.1839
Epoch 2460200.5
nobs 1969
nopp 19
Years observed 1998-2023
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.061
ep 0.028
sin(ip) 0.194
Value Standard error
G 0.150
H 13.890
Mass
D
pV
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0609 0.0284 0.1936 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
13.89 MPC-2023-12-04 MPC-2023-12-04 Phot