1998 FM138

1998FM138, J2478, J98FD8M

All data for this body: [vot]

MPC data
Name (number) 1998 FM138 (192478)
a 2.60123
e 0.13451
i / sin(i) 7.4575 / 0.12979
q 2.25135
Q 2.95111
ω 210.2471
Node 0.0149
m 147.1872
n 0.2349
Epoch 2460800.5
nobs 467
nopp 18
Years observed 1991-2025
rms 0.89
Best values
[raw, vot]

Value Standard error
Parent Rafita (1644)
 
ap 2.601
ep 0.166
sin(ip) 0.132
G 0.150
H 16.570
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 4.981
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1644 Rafita 518 Rafita 0.5400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6012 0.1661 0.1323 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
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
16.57 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 0.725 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.1051 0.1051 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT