1998 FK57

1998FK57, 35515, J98F57K

All data for this body: [vot]

MPC data
Name (number) 1998 FK57 (35515)
a 2.60514
e 0.15489
i / sin(i) 3.6363 / 0.06342
q 2.20164
Q 3.00864
ω 189.9103
Node 357.1320
m 158.4502
n 0.2344
Epoch 2460800.5
nobs 1351
nopp 21
Years observed 1996-2025
rms 0.78
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.606
ep 0.201
sin(ip) 0.068
G 0.150
H 15.520
Mass
D 2.51 0.665
pV 0.232 0.1008
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 7.921
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6055 0.2013 0.0676 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.51 0.665 0.665 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.232 0.1008 0.1008 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
15.52 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 0.999 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.3212 0.3212 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT