1999 XF170

1999XF170, 1998 QX87, 1998QX87, 45199, J98Q87X, J99XH0F

All data for this body: [vot]

MPC data
Name (number) 1999 XF170 (45199)
a 2.61697
e 0.13303
i / sin(i) 12.6473 / 0.21895
q 2.26883
Q 2.96511
ω 277.2417
Node 282.2455
m 260.9706
n 0.2328
Epoch 2460800.5
nobs 2542
nopp 21
Years observed 1998-2025
rms 0.73
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.615
ep 0.160
sin(ip) 0.243
G 0.150
H 13.820
Mass
D 5.07 0.150
pV 0.250 0.0519
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6155 0.1603 0.2427 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.07 0.150 0.150 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.250 0.0519 0.0519 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
13.82 MPC-2023-12-04 MPC-2023-12-04 Phot