1999 XY221

1999XY221, 2001 FY68, 2001FY68, 47452, J99XM1Y, K01F68Y

All data for this body: [vot]

MPC data
Name (number) 1999 XY221 (47452)
a 2.38807
e 0.09144
i / sin(i) 6.5137 / 0.11344
q 2.16971
Q 2.60644
ω 241.9214
Node 42.9868
m 105.8411
n 0.2671
Epoch 2460800.5
nobs 1896
nopp 20
Years observed 1991-2024
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.388
ep 0.081
sin(ip) 0.103
G 0.150
H 15.290
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
2.3884 0.0810 0.1034 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
15.29 MPC-2023-12-04 MPC-2023-12-04 Phot