2002 WD4

2002WD4, 2004 EY81, 2004EY81, K02W04D, K04E81Y, N4958

All data for this body: [vot]

MPC data
Name (number) 2002 WD4 (234958)
a 3.18022
e 0.17004
i / sin(i) 5.9157 / 0.10307
q 2.63945
Q 3.72099
ω 48.2071
Node 62.5016
m 207.8414
n 0.1738
Epoch 2460200.5
nobs 565
nopp 16
Years observed 1999-2023
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.198
ep 0.160
sin(ip) 0.089
Value Standard error
G 0.150
H 15.620
Mass
D 4.41 0.803
pV 0.072 0.0308
Rotational Period
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
10 Hygiea 601 Hygiea Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1977 0.1600 0.0890 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.18 1.002 1.002 Masiero 2011ApJ...741...68M NEATM
4.81 1.341 1.341 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.058 0.0625 0.0625 Masiero 2011ApJ...741...68M NEATM
0.077 0.0354 0.0354 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
15.62 MPC-2023-12-04 MPC-2023-12-04 Phot