1999 UQ31

1999UQ31, J99U31Q, M2117

All data for this body: [vot]

MPC data
Name (number) 1999 UQ31 (222117)
a 2.86395
e 0.05371
i / sin(i) 2.2804 / 0.03979
q 2.71012
Q 3.01777
ω 301.5639
Node 33.4667
m 147.5094
n 0.2034
Epoch 2460800.5
nobs 346
nopp 17
Years observed 1999-2025
rms 0.88
Best values
[raw, vot]

Value Standard error
Parent Koronis (158)
 
ap 2.864
ep 0.030
sin(ip) 0.035
G 0.150
H 16.550
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class D
Spectral Class Score 2.066
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
158 Koronis 0 Koronis Novakovic 2019EPSC...13.1671N HCM
158 Koronis 605 Koronis -0.0200 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.8641 0.0296 0.0355 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
16.55 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
D D 0.3443 0.3210 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
LS 0.09 Bus VIS Carvano 2010A&A...510A..43C PHOT
S D 0.0164 0.3210 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT