1997 WA42

1997WA42, 18576, 1999 GP40, 1999GP40, J97W42A, J99G40P

All data for this body: [vot]

MPC data
Name (number) 1997 WA42 (18576)
a 2.17696
e 0.12308
i / sin(i) 6.6050 / 0.11502
q 1.90901
Q 2.44491
ω 211.6717
Node 103.7495
m 107.9168
n 0.3069
Epoch 2460200.5
nobs 1983
nopp 21
Years observed 1992-2023
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.177
ep 0.043
sin(ip) 0.111
Value Standard error
G 0.150
H 15.250
Mass
D
pV
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1770 0.0430 0.1108 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
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
15.25 MPC-2023-12-04 MPC-2023-12-04 Phot