1148 T-1

1148T-1, 14292, 1997 EM55, 1997EM55, J97E55M, T1S1148

All data for this body: [vot]

MPC data
Name (number) 1148 T-1 (14292)
a 2.19253
e 0.09621
i / sin(i) 2.3031 / 0.04018
q 1.98159
Q 2.40346
ω 260.4889
Node 358.7650
m 177.9255
n 0.3036
Epoch 2460800.5
nobs 1764
nopp 21
Years observed 1971-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.192
ep 0.097
sin(ip) 0.033
G 0.150
H 15.840
Mass
D 1.82 0.377
pV 0.336 0.2217
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 18.888
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.1917 0.0968 0.0327 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.82 0.377 0.377 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.336 0.2217 0.2217 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
15.84 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
Ds Ad None None Movis NIR Popescu 2018A&A...617A..12P PHOT
S S 0.9260 0.9720 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9983 0.9720 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.49 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 0.727 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT