1999 UQ42

1999UQ42, 1999 VC174, 1999VC174, A2575, J99U42Q, J99VH4C

All data for this body: [vot]

MPC data
Name (number) 1999 UQ42 (102575)
a 2.42946
e 0.26050
i / sin(i) 8.2690 / 0.14382
q 1.79658
Q 3.06234
ω 349.2727
Node 341.9244
m 304.0066
n 0.2603
Epoch 2460800.5
nobs 947
nopp 19
Years observed 1999-2025
rms 0.80
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.429
ep 0.224
sin(ip) 0.140
G 0.150
H 15.820
Mass
D 3.95 0.076
pV 0.065 0.0085
Value
Rotational Period
Period quality None
Spectral Class B
Spectral Class Score 5.934
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4291 0.2242 0.1398 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.57 0.790 0.790 Masiero 2012ApJ...759L...8M NEATM
3.96 0.076 0.076 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.065 0.0085 0.0085 Masiero 2011ApJ...741...68M NEATM
0.153 0.0870 0.0870 Masiero 2012ApJ...759L...8M 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
15.82 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 0.989 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT