1998WX40

69997, J98W40X

All data for this body: [vot]

MPC data
Name (number) 1998WX40 (69997)
Packed designation 69997
a 2.96576
e 0.13524
i / sin(i) 16.1954 / 0.27892
q 2.56469
Q 3.36684
ω 9.4980
Node 41.4645
m 192.2999
n 0.1930
Epoch 2459600.5
nobs 1251
nopp 15
Years observed 1998-2021
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.969
ep 0.103
sin(ip) 0.263
Value Standard error
G 0.150
H 14.420
Mass
D 8.52 0.177
pV 0.055 0.0035
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9686 0.1026 0.2628 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.51 0.178 0.178 Masiero 2011ApJ...741...68M NEATM
8.86 2.320 2.320 Masiero 2020PSJ.....1....5M NEATM
10.60 2.440 2.440 Masiero 2021PSJ.....2..162M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.027 0.0120 0.0220 Masiero 2021PSJ.....2..162M NEATM
0.039 0.0350 0.0350 Masiero 2020PSJ.....1....5M NEATM
0.056 0.0036 0.0036 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
14.42 MPC-2022-01-18 MPC-2022-01-18 Phot