2009 WY261

2009WY261, 2003 UB258, 2003UB258, K03UP8B, K09WQ1Y, T6864

All data for this body: [vot]

MPC data
Name (number) 2009 WY261 (296864)
a 3.13244
e 0.13021
i / sin(i) 5.8491 / 0.10191
q 2.72458
Q 3.54031
ω 254.7422
Node 77.6069
m 14.5550
n 0.1778
Epoch 2460800.5
nobs 344
nopp 17
Years observed 2003-2025
rms 0.89
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.129
ep 0.113
sin(ip) 0.084
G 0.150
H 15.710
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
10 Hygiea 0 Hygiea Novakovic 2019EPSC...13.1671N HCM
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
3.1294 0.1125 0.0841 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
15.71 MPC-2023-12-04 MPC-2023-12-04 Phot