1987 WU4

1987WU4, 15233, 1998 KE64, 1998KE64, 1999 RX172, 1999RX172, J87W04U, J98K64E, J99RH2X

All data for this body: [vot]

MPC data
Name (number) 1987 WU4 (15233)
a 2.57224
e 0.15639
i / sin(i) 4.7260 / 0.08239
q 2.16998
Q 2.97450
ω 326.2896
Node 79.3149
m 249.7890
n 0.2389
Epoch 2460200.5
nobs 2211
nopp 22
Years observed 1987-2023
rms 0.59
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
Value Standard error
G 0.150
H 14.190
Mass
D 4.55 0.268
pV 0.367 0.0295
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.78 0.366 0.366 Masiero 2011ApJ...741...68M NEATM
5.44 0.395 0.395 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.198 0.0659 0.0659 Masiero 2011ApJ...741...68M NEATM
0.409 0.0330 0.0330 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
14.19 MPC-2023-12-04 MPC-2023-12-04 Phot