2009 WE84

2009WE84, K09W84E, O3510

All data for this body: [vot]

MPC data
Name (number) 2009 WE84 (243510)
a 3.15442
e 0.15054
i / sin(i) 4.9473 / 0.08624
q 2.67957
Q 3.62928
ω 125.5510
Node 344.6381
m 233.5358
n 0.1759
Epoch 2460800.5
nobs 335
nopp 17
Years observed 1997-2025
rms 0.95
Best values
[raw, vot]

Value Standard error
Parent Hygiea (10)
 
ap 3.159
ep 0.153
sin(ip) 0.096
G 0.150
H 16.170
Mass
D 2.63 0.515
pV 0.077 0.0172
Value
Rotational Period
Period quality None
Spectral Class B
Spectral Class Score 0.868
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
3.1592 0.1529 0.0964 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.63 0.515 0.515 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.077 0.0172 0.0172 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
16.17 MPC-2023-12-04 MPC-2023-12-04 Phot
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
B B 0.1446 0.1446 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT