1990 QK8

1990QK8, 16482, 1993 BU15, 1993BU15, J90Q08K, J93B15U

All data for this body: [vot]

MPC data
Name (number) 1990 QK8 (16482)
a 2.99694
e 0.07920
i / sin(i) 2.2266 / 0.03885
q 2.75958
Q 3.23429
ω 144.7290
Node 122.6750
m 305.6115
n 0.1900
Epoch 2460800.5
nobs 3421
nopp 25
Years observed 1990-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.999
ep 0.092
sin(ip) 0.022
G 0.150
H 13.760
Mass
D 4.69 0.223
pV 0.320 0.0824
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 27.488
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9987 0.0917 0.0222 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.69 0.223 0.223 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.320 0.0824 0.0824 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
13.76 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
A S 0.3043 0.7680 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S Kl None None Movis NIR Popescu 2018A&A...617A..12P PHOT
S S 0.2933 0.7680 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.5450 0.7680 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.7047 0.7680 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.8893 0.7680 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9826 0.7680 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9997 0.7680 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT