1999 XX89

1999XX89, D7709, J99X89X

All data for this body: [vot]

MPC data
Name (number) 1999 XX89 (137709)
a 2.42921
e 0.20682
i / sin(i) 4.8324 / 0.08424
q 1.92680
Q 2.93162
ω 144.6116
Node 258.2644
m 135.3923
n 0.2603
Epoch 2460200.5
nobs 829
nopp 14
Years observed 1999-2023
rms 0.71
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.429
ep 0.187
sin(ip) 0.100
Value Standard error
G 0.150
H 16.060
Mass
D 1.70 0.557
pV 0.385 0.1715
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4290 0.1870 0.1003 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.70 0.557 0.557 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.385 0.1715 0.1715 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
16.06 MPC-2023-12-04 MPC-2023-12-04 Phot