2009 UN4

2009UN4, 2005 SH52, 2005SH52, 2009 UQ139, 2009UQ139, K05S52H, K09U04N, K09UD9Q, N3926

All data for this body: [vot]

MPC data
Name (number) 2009 UN4 (233926)
a 2.36546
e 0.16104
i / sin(i) 0.7564 / 0.01320
q 1.98452
Q 2.74639
ω 150.9753
Node 287.1189
m 63.7104
n 0.2709
Epoch 2460800.5
nobs 410
nopp 13
Years observed 2002-2025
rms 0.90
Best values
[raw, vot]

Value Standard error
Parent Massalia (20)
 
ap 2.366
ep 0.166
sin(ip) 0.028
G 0.150
H 17.760
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 5.220
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
20 Massalia 0 Massalia Novakovic 2019EPSC...13.1671N HCM
20 Massalia 404 Massalia -0.4900 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3661 0.1661 0.0279 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
17.76 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
C 0.870 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT