1998 QU45

1998QU45, 13719, 1991 GB4, 1991GB4, 1997 EZ40, 1997EZ40, J91G04B, J97E40Z, J98Q45U

All data for this body: [vot]

MPC data
Name (number) 1998 QU45 (13719)
a 2.15403
e 0.11494
i / sin(i) 5.1301 / 0.08942
q 1.90645
Q 2.40160
ω 98.1204
Node 198.9189
m 195.4153
n 0.3118
Epoch 2460800.5
nobs 3151
nopp 22
Years observed 1991-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.154
ep 0.041
sin(ip) 0.100
G 0.150
H 15.080
Mass
D 2.74 0.072
pV 0.236 0.0223
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 10.747
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1541 0.0406 0.0997 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.41 0.488 0.488 Masiero 2011ApJ...741...68M NEATM
2.75 0.073 0.073 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.233 0.0227 0.0227 Masiero 2011ApJ...741...68M NEATM
0.303 0.1141 0.1141 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
15.08 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 0.90 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S None None Movis NIR Popescu 2018A&A...617A..12P PHOT
S S 0.9912 0.9912 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT