1991 FT2

1991FT2, 11892, 1994 AT15, 1994AT15, J91F02T, J94A15T

All data for this body: [vot]

MPC data
Name (number) 1991 FT2 (11892)
a 2.22125
e 0.06777
i / sin(i) 4.0623 / 0.07084
q 2.07071
Q 2.37179
ω 80.3849
Node 9.3194
m 188.9898
n 0.2977
Epoch 2460800.5
nobs 2489
nopp 22
Years observed 1991-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.221
ep 0.103
sin(ip) 0.064
G 0.150
H 15.230
Mass
D 2.83 0.380
pV 0.201 0.0562
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 16.731
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2210 0.1033 0.0639 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.83 0.380 0.380 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.201 0.0562 0.0562 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
15.23 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
C 0.794 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.88 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S None None Movis NIR Popescu 2018A&A...617A..12P PHOT
S S 0.9956 0.9980 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9996 0.9980 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT