2009 UG4

2009UG4, b2557, K09U04G

All data for this body: [vot]

MPC data
Name (number) 2009 UG4 (372557)
a 2.73184
e 0.11606
i / sin(i) 3.6517 / 0.06369
q 2.41479
Q 3.04889
ω 141.5169
Node 219.0679
m 184.6570
n 0.2183
Epoch 2460800.5
nobs 183
nopp 13
Years observed 2000-2025
rms 0.99
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.733
ep 0.077
sin(ip) 0.077
G 0.150
H 17.230
Mass
D 2.38 0.471
pV 0.034 0.0152
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7331 0.0767 0.0772 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.38 0.471 0.471 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.034 0.0152 0.0152 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
17.23 MPC-2023-12-04 MPC-2023-12-04 Phot