1998 FQ99

1998FQ99, 2000 YY74, 2000YY74, 39939, J98F99Q, K00Y74Y

All data for this body: [vot]

MPC data
Name (number) 1998 FQ99 (39939)
a 2.45317
e 0.09188
i / sin(i) 4.8530 / 0.08460
q 2.22777
Q 2.67858
ω 112.7511
Node 237.0244
m 210.8667
n 0.2565
Epoch 2460800.5
nobs 2086
nopp 22
Years observed 1994-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.454
ep 0.058
sin(ip) 0.099
G 0.150
H 14.950
Mass
D 2.75 0.480
pV 0.187 0.0696
Value
Rotational Period
Period quality None
Spectral Class V
Spectral Class Score 11.985
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4540 0.0576 0.0992 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.43 0.656 0.656 Masiero 2011ApJ...741...68M NEATM
3.12 0.703 0.703 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.166 0.0774 0.0774 Masiero 2011ApJ...741...68M NEATM
0.274 0.1593 0.1593 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
14.95 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
V V 0.9985 0.4830 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V V 0.9990 0.4830 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT