1998WW20

1999XL179, 25297, J98W20W, J99XH9L

All data for this body: [vot]

MPC data
Name (number) 1998WW20 (25297)
Packed designation 25297
a 2.98507
e 0.06791
i / sin(i) 11.5662 / 0.20050
q 2.78235
Q 3.18780
ω 174.0713
Node 64.4380
m 352.8062
n 0.1911
Epoch 2459600.5
nobs 1498
nopp 19
Years observed 1996-2021
rms 0.53
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.986
ep 0.100
sin(ip) 0.183
Value Standard error
G 0.150
H 13.830
Mass
D 6.85 0.222
pV 0.150 0.0357
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9860 0.0995 0.1830 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.85 0.222 0.222 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.150 0.0357 0.0357 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.83 MPC-2022-01-18 MPC-2022-01-18 Phot