1998 FH122

1998FH122, 1999 RT58, 1999RT58, 39959, J98FC2H, J99R58T

All data for this body: [vot]

MPC data
Name (number) 1998 FH122 (39959)
a 2.44855
e 0.04900
i / sin(i) 5.9873 / 0.10431
q 2.32857
Q 2.56853
ω 21.1035
Node 209.0220
m 352.1594
n 0.2572
Epoch 2460800.5
nobs 1721
nopp 23
Years observed 1992-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.448
ep 0.074
sin(ip) 0.113
G 0.150
H 15.490
Mass
D 4.03 0.148
pV 0.048 0.0108
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 5.988
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4482 0.0736 0.1128 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.03 0.148 0.148 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.048 0.0108 0.0108 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
15.49 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
CX 0.16 Bus VIS Carvano 2010A&A...510A..43C PHOT
D D 0.3489 0.3489 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X 0.998 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT