1999 WL20

1999WL20, 45033, J99W20L

All data for this body: [vot]

MPC data
Name (number) 1999 WL20 (45033)
a 2.53126
e 0.11476
i / sin(i) 10.5386 / 0.18290
q 2.24078
Q 2.82174
ω 302.7519
Node 206.2825
m 263.0073
n 0.2447
Epoch 2460200.5
nobs 1621
nopp 20
Years observed 1997-2023
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.530
ep 0.166
sin(ip) 0.194
Value Standard error
G 0.150
H 15.230
Mass
D 4.67 0.123
pV 0.098 0.0072
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5296 0.1656 0.1938 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.67 0.123 0.123 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.098 0.0072 0.0072 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
15.23 MPC-2023-12-04 MPC-2023-12-04 Phot