1998 FX121

1998FX121, 2000 QS2, 2000QS2, 33227, J98FC1X, K00Q02S

All data for this body: [vot]

MPC data
Name (number) 1998 FX121 (33227)
a 2.79111
e 0.21015
i / sin(i) 3.4696 / 0.06052
q 2.20455
Q 3.37767
ω 277.5101
Node 142.1011
m 40.7494
n 0.2114
Epoch 2460800.5
nobs 2161
nopp 20
Years observed 1991-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.793
ep 0.185
sin(ip) 0.051
G 0.150
H 14.740
Mass
D 5.50 1.710
pV 0.092 0.1030
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 13.026
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7931 0.1854 0.0507 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.50 1.710 1.710 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.092 0.1030 0.1030 Masiero 2012ApJ...759L...8M 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
14.74 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
D X 0.1424 0.3400 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
D X 0.2045 0.3400 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S X 0.4360 0.3400 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X 0.71 Bus VIS Carvano 2010A&A...510A..43C PHOT
X X 0.2461 0.3400 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.3222 0.3400 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.6475 0.3400 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.7186 0.3400 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT