1999 UQ39

1999UQ39, 38534, J99U39Q

All data for this body: [vot]

MPC data
Name (number) 1999 UQ39 (38534)
a 3.11972
e 0.15657
i / sin(i) 17.3360 / 0.29798
q 2.63128
Q 3.60816
ω 210.0896
Node 25.0250
m 353.2405
n 0.1789
Epoch 2460800.5
nobs 1213
nopp 22
Years observed 1977-2025
rms 0.80
Best values
[raw, vot]

Value Standard error
Parent Tirela (1400)
 
ap 3.124
ep 0.190
sin(ip) 0.286
G 0.150
H 14.390
Mass
D 4.84 1.540
pV 0.119 0.0895
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 9.602
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1400 Tirela 0 Tirela Novakovic 2019EPSC...13.1671N HCM
1400 Tirela 612 Tirela 0.1700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1243 0.1898 0.2858 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.84 1.540 1.540 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.119 0.0895 0.0895 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
14.39 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 Kl None None Movis NIR Popescu 2018A&A...617A..12P PHOT
L DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
L 0.27 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 0.972 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.2042 0.4110 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.4241 0.4110 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT