2002 ET55

2002ET55, 2004 TN31, 2004TN31, J5263, K02E55T, K04T31N

All data for this body: [vot]

MPC data
Name (number) 2002 ET55 (195263)
a 2.61409
e 0.08376
i / sin(i) 3.5952 / 0.06271
q 2.39513
Q 2.83305
ω 291.0807
Node 277.4226
m 124.9788
n 0.2332
Epoch 2460800.5
nobs 402
nopp 17
Years observed 1998-2025
rms 0.85
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.615
ep 0.156
sin(ip) 0.081
G 0.150
H 16.470
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 8.694
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6145 0.1563 0.0811 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
16.47 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 DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.612 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S 0.5036 0.4830 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V S 0.5617 0.4830 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X 0.18 Bus VIS Carvano 2010A&A...510A..43C PHOT