1991 DY

1991DY, 13958, 1993 RD6, 1993RD6, J91D00Y, J93R06D

All data for this body: [vot]

MPC data
Name (number) 1991 DY (13958)
a 2.67154
e 0.14152
i / sin(i) 7.0995 / 0.12359
q 2.29347
Q 3.04962
ω 342.3670
Node 188.5656
m 288.5872
n 0.2257
Epoch 2460800.5
nobs 4244
nopp 24
Years observed 1991-2025
rms 0.61
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.669
ep 0.191
sin(ip) 0.125
G 0.150
H 13.930
Mass
D 9.37 0.080
pV 0.080 0.0157
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 3.643
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6689 0.1911 0.1247 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
9.37 0.080 0.080 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.080 0.0157 0.0157 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
13.93 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
B C 0.2634 0.1950 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C 0.4940 0.1950 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S 0.433 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S C 0.1742 0.1950 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X C 0.2437 0.1950 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT