1998 FN54

1998FN54, 17791, 1981 VM1, 1981VM1, J81V01M, J98F54N

All data for this body: [vot]

MPC data
Name (number) 1998 FN54 (17791)
a 2.43201
e 0.20991
i / sin(i) 6.2924 / 0.10960
q 1.92151
Q 2.94251
ω 248.7927
Node 192.1210
m 133.7044
n 0.2599
Epoch 2460800.5
nobs 3570
nopp 23
Years observed 1981-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.433
ep 0.212
sin(ip) 0.116
G 0.150
H 14.090
Mass
D 5.27 0.385
pV 0.187 0.0410
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 5.292
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4327 0.2117 0.1164 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.20 0.750 0.750 Nugent 2016AJ....152...63N NEATM
5.66 0.449 0.449 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.183 0.0478 0.0478 Masiero 2011ApJ...741...68M NEATM
0.200 0.0800 0.0800 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
14.09 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
X 0.882 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT