1985 DU1

1985DU1, 1997 WZ40, 1997WZ40, 1999 FS18, 1999FS18, 27705, J85D01U, J97W40Z, J99F18S

All data for this body: [vot]

MPC data
Name (number) 1985 DU1 (27705)
a 2.75934
e 0.10322
i / sin(i) 3.2418 / 0.05655
q 2.47452
Q 3.04416
ω 86.7666
Node 344.8099
m 353.5358
n 0.2150
Epoch 2460800.5
nobs 3082
nopp 22
Years observed 1985-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.759
ep 0.091
sin(ip) 0.066
G 0.150
H 13.820
Mass
D 4.62 0.216
pV 0.362 0.0834
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 14.214
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7594 0.0913 0.0657 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.62 0.216 0.216 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.362 0.0834 0.0834 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
13.82 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
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.75 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 0.788 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.9977 0.9977 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT