1998 QK8

1998QK8, 44221, J98Q08K

All data for this body: [vot]

MPC data
Name (number) 1998 QK8 (44221)
a 2.61487
e 0.14932
i / sin(i) 14.5599 / 0.25139
q 2.22443
Q 3.00530
ω 182.5446
Node 142.6957
m 109.9927
n 0.2331
Epoch 2460800.5
nobs 2497
nopp 21
Years observed 1998-2025
rms 0.72
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.613
ep 0.121
sin(ip) 0.235
G 0.150
H 14.110
Mass
D 4.21 0.128
pV 0.304 0.0377
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 11.820
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6128 0.1207 0.2348 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.90 0.201 0.201 Masiero 2011ApJ...741...68M NEATM
4.41 0.165 0.165 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.274 0.0485 0.0485 Masiero 2011ApJ...741...68M NEATM
0.350 0.0599 0.0599 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
14.11 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 S 0.3853 0.7270 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S 0.970 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S None None Movis NIR Popescu 2018A&A...617A..12P PHOT
S S 0.8334 0.7270 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT