1998 QU1

1998QU1, 2001 DC42, 2001DC42, 40102, J98Q01U, K01D42C

All data for this body: [vot]

MPC data
Name (number) 1998 QU1 (40102)
a 2.73142
e 0.17355
i / sin(i) 6.8330 / 0.11898
q 2.25738
Q 3.20545
ω 158.4982
Node 141.7919
m 349.1341
n 0.2183
Epoch 2460800.5
nobs 1824
nopp 23
Years observed 1992-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.731
ep 0.161
sin(ip) 0.105
G 0.150
H 14.990
Mass
D 4.17 0.318
pV 0.114 0.0275
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 0.840
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7312 0.1608 0.1047 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.14 0.327 0.327 Masiero 2011ApJ...741...68M NEATM
4.80 1.363 1.363 Masiero 2017AJ....154..168M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.077 0.0393 0.0393 Masiero 2017AJ....154..168M NEATM
0.149 0.0386 0.0386 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
14.99 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
C 0.42 Bus VIS Carvano 2010A&A...510A..43C PHOT