1998 WC8

1998WC8, 1989 VY1, 1989VY1, 25286, J89V01Y, J98W08C

All data for this body: [vot]

MPC data
Name (number) 1998 WC8 (25286)
a 2.73289
e 0.26181
i / sin(i) 8.8365 / 0.15362
q 2.01741
Q 3.44838
ω 291.5057
Node 107.7090
m 187.0846
n 0.2182
Epoch 2460200.5
nobs 2270
nopp 21
Years observed 1989-2023
rms 0.63
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.731
ep 0.226
sin(ip) 0.141
Value Standard error
G 0.150
H 14.060
Mass
D 8.26 0.271
pV 0.102 0.0127
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7307 0.2264 0.1407 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.89 1.800 1.800 Masiero 2020PSJ.....1....5M NEATM
7.66 2.456 2.456 Masiero 2017AJ....154..168M NEATM
7.88 0.430 0.430 Masiero 2011ApJ...741...68M NEATM
8.22 0.456 0.456 Masiero 2011ApJ...741...68M NEATM
9.16 0.610 0.610 Usui 2011PASJ...63.1117U NEATM
9.49 1.900 1.900 Ali-Lagoa 2018A&A...612A..85A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.062 0.0250 0.0250 Ali-Lagoa 2018A&A...612A..85A NEATM
0.068 0.0403 0.0403 Masiero 2017AJ....154..168M NEATM
0.073 0.0430 0.0430 Masiero 2020PSJ.....1....5M NEATM
0.125 0.0274 0.0274 Masiero 2011ApJ...741...68M NEATM
0.136 0.0220 0.0220 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
14.06 MPC-2023-12-04 MPC-2023-12-04 Phot