1998 FS26

1998FS26, 18655, 1999 NN58, 1999NN58, J98F26S, J99N58N

All data for this body: [vot]

MPC data
Name (number) 1998 FS26 (18655)
a 2.72292
e 0.07902
i / sin(i) 13.4056 / 0.23184
q 2.50774
Q 2.93810
ω 136.7569
Node 160.1857
m 252.6731
n 0.2194
Epoch 2460800.5
nobs 4106
nopp 23
Years observed 1995-2025
rms 0.61
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.724
ep 0.062
sin(ip) 0.226
G 0.150
H 13.810
Mass
D 5.30 0.398
pV 0.250 0.0344
Value
Rotational Period 18.934
Period quality 2
Spectral Class S
Spectral Class Score 9.684
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7240 0.0620 0.2262 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.30 0.398 0.398 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.250 0.0344 0.0344 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
13.81 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
18.9349 2 Synodic Pal 2020ApJS..247...26P Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.85 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.9973 0.9973 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT