1998WD20

1976YS, 25296, J76Y00S, J98W20D

All data for this body: [vot]

MPC data
Name (number) 1998WD20 (25296)
Packed designation 25296
a 3.11355
e 0.17138
i / sin(i) 1.7624 / 0.03076
q 2.57996
Q 3.64714
ω 17.8819
Node 54.1548
m 71.8855
n 0.1794
Epoch 2459600.5
nobs 1986
nopp 21
Years observed 1976-2022
rms 0.65
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.112
ep 0.158
sin(ip) 0.022
Value Standard error
G 0.150
H 13.660
Mass
D 9.73 0.025
pV 0.087 0.0108
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 602 Themis -0.1900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1118 0.1575 0.0224 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]


Value Uncertainty up Uncertainty down Author Reference Method
9.40 0.044 0.044 Masiero 2011ApJ...741...68M NEATM
9.90 nan nan Ali-Lagoa 2016A&A...591A..14A NEATM
9.90 nan nan Ali-Lagoa 2016A&A...591A..14A NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.087 0.0108 0.0108 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
13.66 MPC-2022-01-18 MPC-2022-01-18 Phot