1999 UB42

1999UB42, 1993 QY2, 1993QY2, 36234, J93Q02Y, J99U42B

All data for this body: [vot]

MPC data
Name (number) 1999 UB42 (36234)
a 3.16863
e 0.12667
i / sin(i) 7.9589 / 0.13846
q 2.76727
Q 3.57000
ω 344.2234
Node 336.3229
m 236.4003
n 0.1747
Epoch 2460800.5
nobs 2718
nopp 21
Years observed 1993-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.178
ep 0.103
sin(ip) 0.149
G 0.150
H 13.500
Mass
D 7.83 0.202
pV 0.138 0.0105
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 11.681
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1780 0.1034 0.1487 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
7.83 0.202 0.202 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.138 0.0105 0.0105 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
13.50 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 DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C X 0.8710 0.5190 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
CX 0.44 Bus VIS Carvano 2010A&A...510A..43C PHOT
X X 0.6275 0.5190 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.6467 0.5190 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.6727 0.5190 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
Xt Xt None None Movis NIR Popescu 2018A&A...617A..12P PHOT