1990 QT8

1990QT8, 1999 FK31, 1999FK31, 35081, J90Q08T, J99F31K

All data for this body: [vot]

MPC data
Name (number) 1990 QT8 (35081)
a 2.16345
e 0.16246
i / sin(i) 4.1068 / 0.07162
q 1.81197
Q 2.51493
ω 140.4948
Node 143.7075
m 2.9382
n 0.3097
Epoch 2460800.5
nobs 2366
nopp 20
Years observed 1990-2025
rms 0.70
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.164
ep 0.115
sin(ip) 0.066
G 0.150
H 15.620
Mass
D 2.15 0.420
pV 0.180 0.1200
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 7.365
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1636 0.1149 0.0659 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.15 0.420 0.420 Nugent 2016AJ....152...63N NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.180 0.1200 0.1200 Nugent 2016AJ....152...63N 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
15.62 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
S 0.26 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 0.311 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.0319 0.7830 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.7980 0.7830 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT