2009 QU4

2009QU4, 2005 JC39, 2005JC39, b9154, K05J39C, K09Q04U

All data for this body: [vot]

MPC data
Name (number) 2009 QU4 (379154)
a 2.34711
e 0.22916
i / sin(i) 0.4682 / 0.00817
q 1.80925
Q 2.88497
ω 280.0074
Node 33.6860
m 142.3771
n 0.2741
Epoch 2460800.5
nobs 176
nopp 12
Years observed 2002-2024
rms 0.99
Best values
[raw, vot]

Value Standard error
Parent Euterpe (27)
 
ap 2.346
ep 0.197
sin(ip) 0.014
G 0.150
H 18.110
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class V
Spectral Class Score 0.130
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
27 Euterpe 0 Euterpe Novakovic 2019EPSC...13.1671N HCM
27 Euterpe 410 Euterpe 0.0000 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3459 0.1973 0.0138 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
18.11 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
D D 0.0112 0.0080 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V D 0.0216 0.0080 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT