1997 WA42

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

All data for this body: [vot]

MPC data
Name (number) 1997 WA42 (18576)
a 2.17705
e 0.12307
i / sin(i) 6.6056 / 0.11503
q 1.90912
Q 2.44497
ω 211.4540
Node 103.7451
m 292.3007
n 0.3068
Epoch 2460800.5
nobs 2597
nopp 22
Years observed 1992-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.177
ep 0.043
sin(ip) 0.111
G 0.150
H 15.190
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
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-Nov-2024
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
15.19 MPC-2023-12-04 MPC-2023-12-04 Phot