1998 QE5

1998QE5, 1999 UL42, 1999UL42, 35657, J98Q05E, J99U42L

All data for this body: [vot]

MPC data
Name (number) 1998 QE5 (35657)
a 3.11439
e 0.23774
i / sin(i) 10.5295 / 0.18274
q 2.37396
Q 3.85481
ω 250.1204
Node 291.5920
m 78.3308
n 0.1793
Epoch 2460800.5
nobs 3389
nopp 22
Years observed 1998-2025
rms 0.63
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.119
ep 0.257
sin(ip) 0.220
G 0.150
H 13.100
Mass
D 6.75 1.651
pV 0.323 0.0763
Value
Rotational Period
Period quality None
Spectral Class L
Spectral Class Score 7.413
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1190 0.2567 0.2196 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.75 1.651 1.651 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.323 0.0763 0.0763 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
13.10 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
X 0.131 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
L DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
L 0.76 Bus VIS Carvano 2010A&A...510A..43C PHOT
L L 0.6489 0.6489 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S None None Movis NIR Popescu 2018A&A...617A..12P PHOT