1999 UA9

1999UA9, 91854, J99U09A

All data for this body: [vot]

MPC data
Name (number) 1999 UA9 (91854)
a 3.03095
e 0.09519
i / sin(i) 12.1359 / 0.21023
q 2.74243
Q 3.31948
ω 290.2605
Node 53.1436
m 354.1717
n 0.1868
Epoch 2460800.5
nobs 887
nopp 20
Years observed 1999-2025
rms 0.87
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.030
ep 0.081
sin(ip) 0.203
G 0.150
H 14.990
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 4.689
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0296 0.0808 0.2035 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
14.99 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
K DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
K K 0.2637 0.2530 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S K 0.1950 0.2530 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S K 0.2698 0.2530 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X 0.59 Bus VIS Carvano 2010A&A...510A..43C PHOT
X K 0.2887 0.2530 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X K 0.2961 0.2530 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT