1999 UL32

1999UL32, 41021, J99U32L

All data for this body: [vot]

MPC data
Name (number) 1999 UL32 (41021)
a 2.88750
e 0.03490
i / sin(i) 2.8177 / 0.04916
q 2.78673
Q 2.98827
ω 337.1703
Node 53.5325
m 76.9666
n 0.2009
Epoch 2460800.5
nobs 2115
nopp 24
Years observed 1991-2025
rms 0.77
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.886
ep 0.014
sin(ip) 0.037
G 0.150
H 14.400
Mass
D 4.52 0.381
pV 0.150 0.0488
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 8.195
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8862 0.0140 0.0372 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.52 0.381 0.381 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.150 0.0488 0.0488 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
14.40 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
A S 0.4495 0.8270 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.11 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.9959 0.8270 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT