1998 XQ20

1998XQ20, 74384, J98X20Q

All data for this body: [vot]

MPC data
Name (number) 1998 XQ20 (74384)
a 2.98869
e 0.09583
i / sin(i) 12.9557 / 0.22420
q 2.70229
Q 3.27509
ω 7.7935
Node 111.3978
m 281.5548
n 0.1908
Epoch 2460200.5
nobs 1395
nopp 18
Years observed 1998-2023
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.984
ep 0.122
sin(ip) 0.203
Value Standard error
G 0.150
H 14.930
Mass
D 3.55 0.646
pV 0.203 0.0622
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9838 0.1217 0.2034 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.55 1.135 1.135 Masiero 2011ApJ...741...68M NEATM
3.55 0.786 0.786 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.203 0.0830 0.0830 Masiero 2011ApJ...741...68M NEATM
0.203 0.0941 0.0941 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
14.93 MPC-2023-12-04 MPC-2023-12-04 Phot