1999 XS21

1999XS21, 47322, J99X21S

All data for this body: [vot]

MPC data
Name (number) 1999 XS21 (47322)
a 2.34445
e 0.09663
i / sin(i) 9.2492 / 0.16073
q 2.11790
Q 2.57099
ω 106.7633
Node 189.3811
m 346.0093
n 0.2746
Epoch 2460200.5
nobs 1585
nopp 19
Years observed 1995-2023
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.345
ep 0.061
sin(ip) 0.167
Value Standard error
G 0.150
H 15.470
Mass
D
pV
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3445 0.0606 0.1666 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
15.47 MPC-2023-12-04 MPC-2023-12-04 Phot