1991 VU4

1991VU4, 11527, 1974 VD2, 1974VD2, J74V02D, J91V04U

All data for this body: [vot]

MPC data
Name (number) 1991 VU4 (11527)
a 2.62157
e 0.22805
i / sin(i) 3.7797 / 0.06592
q 2.02373
Q 3.21942
ω 252.7831
Node 129.0947
m 338.9619
n 0.2322
Epoch 2460800.5
nobs 1982
nopp 27
Years observed 1974-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.621
ep 0.184
sin(ip) 0.052
G 0.150
H 14.460
Mass
D 7.30 1.788
pV 0.060 0.0392
Value
Rotational Period 4.090
Period quality 2
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6208 0.1838 0.0521 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.30 1.788 1.788 Masiero 2017AJ....154..168M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.060 0.0392 0.0392 Masiero 2017AJ....154..168M 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
14.46 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
4.094 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
4.095 2 Synodic Waszczak 2015AJ....150...75W Lightcurve