1999 XQ121

1999XQ121, 2001 BY65, 2001BY65, 71084, J99XC1Q, K01B65Y

All data for this body: [vot]

MPC data
Name (number) 1999 XQ121 (71084)
a 2.76252
e 0.08633
i / sin(i) 3.5355 / 0.06167
q 2.52402
Q 3.00101
ω 9.0316
Node 20.5426
m 94.1822
n 0.2147
Epoch 2460200.5
nobs 1470
nopp 20
Years observed 1994-2023
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.763
ep 0.056
sin(ip) 0.060
Value Standard error
G 0.150
H 14.940
Mass
D 3.33 0.957
pV 0.175 0.1205
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7634 0.0557 0.0603 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.33 0.957 0.957 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.175 0.1205 0.1205 Masiero 2011ApJ...741...68M NEATM
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
14.94 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.58 Durech 2023A&A...675A..24D Model