1998 FQ31

1998FQ31, 1995 OH12, 1995OH12, 31279, J95O12H, J98F31Q

All data for this body: [vot]

MPC data
Name (number) 1998 FQ31 (31279)
a 3.19678
e 0.19220
i / sin(i) 2.0683 / 0.03609
q 2.58237
Q 3.81119
ω 299.8703
Node 134.7890
m 342.7383
n 0.1724
Epoch 2460800.5
nobs 1677
nopp 22
Years observed 1990-2025
rms 0.81
Best values
[raw, vot]

Value Standard error
Parent Themis (24)
 
ap 3.219
ep 0.158
sin(ip) 0.023
G 0.150
H 14.370
Mass
D 8.09 0.167
pV 0.066 0.0056
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 5.237
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
24 Themis 0 Themis Novakovic 2019EPSC...13.1671N HCM
24 Themis 602 Themis 0.5300 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.2189 0.1576 0.0233 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.05 0.190 0.190 Masiero 2011ApJ...741...68M NEATM
8.23 0.354 0.354 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.065 0.0062 0.0062 Masiero 2011ApJ...741...68M NEATM
0.068 0.0136 0.0136 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
14.37 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
B C 0.0113 0.5700 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
B C 0.2153 0.5700 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
C C None None Movis NIR Popescu 2018A&A...617A..12P PHOT
C C 0.7061 0.5700 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT