1998 DH9

1998DH9, 37847, J98D09H

All data for this body: [vot]

MPC data
Name (number) 1998 DH9 (37847)
a 2.64574
e 0.08923
i / sin(i) 15.1047 / 0.26059
q 2.40965
Q 2.88183
ω 53.8932
Node 141.6674
m 91.2752
n 0.2290
Epoch 2460800.5
nobs 2092
nopp 23
Years observed 1995-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.646
ep 0.133
sin(ip) 0.252
G 0.150
H 14.760
Mass
D 3.33 1.021
pV 0.253 0.1313
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.470
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6461 0.1327 0.2517 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.33 1.021 1.021 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.253 0.1313 0.1313 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
14.76 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 0.24 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.8317 0.8317 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT