1998 WD9

1998WD9, 1989 EP5, 1989EP5, 29652, J89E05P, J98W09D

All data for this body: [vot]

MPC data
Name (number) 1998 WD9 (29652)
a 2.33182
e 0.14380
i / sin(i) 8.2722 / 0.14388
q 1.99650
Q 2.66714
ω 202.8158
Node 207.3579
m 348.8566
n 0.2768
Epoch 2460200.5
nobs 1566
nopp 19
Years observed 1989-2023
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.331
ep 0.142
sin(ip) 0.152
Value Standard error
G 0.150
H 15.420
Mass
D 3.49 0.244
pV 0.145 0.0313
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3313 0.1420 0.1523 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.49 0.244 0.244 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.145 0.0313 0.0313 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
15.42 MPC-2023-12-04 MPC-2023-12-04 Phot