1999 UB39

1999UB39, 1986 VN, 1986VN, 1997 EW54, 1997EW54, 43009, J86V00N, J97E54W, J99U39B

All data for this body: [vot]

MPC data
Name (number) 1999 UB39 (43009)
a 2.67984
e 0.07091
i / sin(i) 4.7222 / 0.08232
q 2.48982
Q 2.86985
ω 110.8857
Node 341.9384
m 232.5390
n 0.2247
Epoch 2460800.5
nobs 2464
nopp 22
Years observed 1997-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.680
ep 0.079
sin(ip) 0.090
G 0.150
H 14.360
Mass
D 8.03 0.132
pV 0.059 0.0063
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6800 0.0787 0.0902 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.86 1.520 1.520 Masiero 2020PSJ.....1....5M NEATM
8.03 0.133 0.133 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.059 0.0065 0.0065 Masiero 2011ApJ...741...68M NEATM
0.060 0.0270 0.0270 Masiero 2020PSJ.....1....5M 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
14.36 MPC-2023-12-04 MPC-2023-12-04 Phot