1998 FO

1998FO, 1989 EB7, 1989EB7, 2123 T-1, 2123T-1, 31269, J89E07B, J98F00O, T1S2123

All data for this body: [vot]

MPC data
Name (number) 1998 FO (31269)
a 2.72341
e 0.13227
i / sin(i) 8.0985 / 0.14088
q 2.36317
Q 3.08364
ω 99.9020
Node 17.3366
m 65.9113
n 0.2193
Epoch 2460800.5
nobs 3257
nopp 21
Years observed 1971-2025
rms 0.68
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.723
ep 0.153
sin(ip) 0.140
G 0.150
H 13.830
Mass
D 6.54 1.446
pV 0.117 0.0815
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 4.571
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7229 0.1531 0.1404 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
6.53 1.970 1.970 Nugent 2016AJ....152...63N NEATM
6.55 2.130 2.130 Masiero 2012ApJ...759L...8M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.110 0.0900 0.0900 Nugent 2016AJ....152...63N NEATM
0.149 0.1920 0.1920 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
13.83 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 D 0.4924 0.4210 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
L DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
L 0.47 Bus VIS Carvano 2010A&A...510A..43C PHOT
S D 0.7618 0.4210 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT