1991 UK3

1991UK3, 08285, 1993 FK1, 1993FK1, J91U03K, J93F01K

All data for this body: [vot]

MPC data
Name (number) 1991 UK3 (8285)
a 3.10570
e 0.25288
i / sin(i) 13.4407 / 0.23244
q 2.32035
Q 3.89106
ω 267.1920
Node 222.6863
m 358.4955
n 0.1801
Epoch 2460800.5
nobs 3746
nopp 27
Years observed 1988-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.109
ep 0.265
sin(ip) 0.260
G 0.150
H 12.610
Mass
D 8.51 0.427
pV 0.267 0.0360
Value
Rotational Period
Period quality None
Spectral Class L
Spectral Class Score 7.564
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1092 0.2645 0.2600 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.51 0.427 0.427 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.267 0.0360 0.0360 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
12.61 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
L L 0.2853 0.3590 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L L 0.2933 0.3590 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L L 0.6820 0.3590 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X 0.202 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT