1990 QR8

1990QR8, 2001 FS153, 2001FS153, 43787, J90Q08R, K01FF3S

All data for this body: [vot]

MPC data
Name (number) 1990 QR8 (43787)
a 2.53820
e 0.17977
i / sin(i) 4.7978 / 0.08364
q 2.08192
Q 2.99448
ω 218.7076
Node 132.8339
m 196.3335
n 0.2437
Epoch 2460800.5
nobs 789
nopp 23
Years observed 1990-2025
rms 0.88
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.538
ep 0.127
sin(ip) 0.069
G 0.150
H 15.550
Mass
D 2.24 0.389
pV 0.387 0.1267
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.772
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5384 0.1267 0.0692 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.24 0.389 0.389 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.387 0.1267 0.1267 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
15.55 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 0.962 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
V V DeMeo-Carry VIS Choi 2023PSJ.....4...49C PHOT