1999 WG18

1999WG18, 1998 LH, 1998LH, 49776, J98L00H, J99W18G

All data for this body: [vot]

MPC data
Name (number) 1999 WG18 (49776)
a 2.23608
e 0.09782
i / sin(i) 2.6031 / 0.04542
q 2.01735
Q 2.45482
ω 310.0721
Node 67.9578
m 82.2124
n 0.2948
Epoch 2460200.5
nobs 2207
nopp 19
Years observed 1998-2023
rms 0.61
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.237
ep 0.069
sin(ip) 0.035
Value Standard error
G 0.150
H 15.370
Mass
D 2.23 0.260
pV 0.390 0.1015
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2366 0.0685 0.0347 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.23 0.260 0.260 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.390 0.1015 0.1015 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
15.37 MPC-2023-12-04 MPC-2023-12-04 Phot