2001 UB9

2001UB9, H9225, K01U09B

All data for this body: [vot]

MPC data
Name (number) 2001 UB9 (179225)
a 2.70345
e 0.07307
i / sin(i) 6.0974 / 0.10622
q 2.50590
Q 2.90100
ω 301.8639
Node 55.5619
m 134.7206
n 0.2217
Epoch 2460800.5
nobs 517
nopp 19
Years observed 2001-2025
rms 0.84
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.704
ep 0.030
sin(ip) 0.092
G 0.150
H 16.270
Mass
D 2.89 0.590
pV 0.077 0.0500
Value
Rotational Period
Period quality None
Spectral Class D
Spectral Class Score 1.570
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7044 0.0296 0.0921 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.89 0.590 0.590 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.077 0.0500 0.0500 Masiero 2012ApJ...759L...8M 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
16.27 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 0.2617 0.2617 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT