1981 DU2

1981DU2, 1999 NR28, 1999NR28, 35011, J81D02U, J99N28R

All data for this body: [vot]

MPC data
Name (number) 1981 DU2 (35011)
a 2.65434
e 0.20902
i / sin(i) 11.8742 / 0.20576
q 2.09952
Q 3.20915
ω 331.9623
Node 312.5686
m 357.1642
n 0.2279
Epoch 2460800.5
nobs 1285
nopp 21
Years observed 1981-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.654
ep 0.205
sin(ip) 0.217
G 0.150
H 15.230
Mass
D 4.91 0.376
pV 0.046 0.0080
Value
Rotational Period
Period quality None
Spectral Class None
Spectral Class Score
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6536 0.2055 0.2166 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.99 1.196 1.196 Masiero 2017AJ....154..168M NEATM
5.01 0.396 0.396 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.044 0.0081 0.0081 Masiero 2011ApJ...741...68M NEATM
0.084 0.0443 0.0443 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
15.23 MPC-2023-12-04 MPC-2023-12-04 Phot