1999 XS121

1999XS121, 1994 CL9, 1994CL9, 47403, J94C09L, J99XC1S

All data for this body: [vot]

MPC data
Name (number) 1999 XS121 (47403)
a 2.27431
e 0.17640
i / sin(i) 2.8226 / 0.04924
q 1.87312
Q 2.67551
ω 238.4942
Node 23.7988
m 305.2721
n 0.2874
Epoch 2460800.5
nobs 1310
nopp 20
Years observed 1994-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.275
ep 0.174
sin(ip) 0.048
G 0.150
H 15.760
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2748 0.1737 0.0475 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
15.76 MPC-2023-12-04 MPC-2023-12-04 Phot