1998 FR121

1998FR121, 2000 YS37, 2000YS37, 42659, J98FC1R, K00Y37S

All data for this body: [vot]

MPC data
Name (number) 1998 FR121 (42659)
a 2.34978
e 0.04425
i / sin(i) 2.2309 / 0.03893
q 2.24579
Q 2.45376
ω 214.8629
Node 249.9668
m 268.9463
n 0.2736
Epoch 2460800.5
nobs 1793
nopp 20
Years observed 1998-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.350
ep 0.072
sin(ip) 0.053
G 0.150
H 15.680
Mass
D 2.28 0.379
pV 0.258 0.0773
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.742
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
126 Velleda -1 Velleda -1.0000 Nesvorny 2024ApJS..274...25N HCM-2024
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3502 0.0724 0.0529 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.28 0.379 0.379 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.258 0.0773 0.0773 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
15.68 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 0.957 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT