2000 ET55

2000ET55, 1995 YQ12, 1995YQ12, A4121, J95Y12Q, K00E55T

All data for this body: [vot]

MPC data
Name (number) 2000 ET55 (104121)
a 2.48321
e 0.23127
i / sin(i) 2.6476 / 0.04619
q 1.90892
Q 3.05751
ω 132.9051
Node 257.3680
m 244.1333
n 0.2519
Epoch 2460800.5
nobs 1261
nopp 19
Years observed 1995-2024
rms 0.79
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.485
ep 0.175
sin(ip) 0.061
G 0.150
H 16.120
Mass
D 1.90 0.628
pV 0.281 0.1320
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.886
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4849 0.1748 0.0612 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
1.90 0.628 0.628 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.281 0.1320 0.1320 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
16.12 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 0.981 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT