1998 EC8

1998EC8, 2000 QD140, 2000QD140, 35470, J98E08C, K00QE0D

All data for this body: [vot]

MPC data
Name (number) 1998 EC8 (35470)
a 2.91078
e 0.01220
i / sin(i) 3.3794 / 0.05895
q 2.87526
Q 2.94630
ω 122.0707
Node 136.4846
m 88.4365
n 0.1985
Epoch 2460800.5
nobs 1182
nopp 21
Years observed 1993-2025
rms 0.86
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.912
ep 0.040
sin(ip) 0.045
G 0.150
H 15.000
Mass
D 3.89 1.453
pV 0.117 0.0711
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 13.875
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.9119 0.0398 0.0454 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.89 1.453 1.453 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.117 0.0711 0.0711 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
15.00 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
L S 0.4984 0.7460 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.38 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.8625 0.7460 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9900 0.7460 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
V S 0.2465 0.7460 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT