1998 EA9

1998EA9, 35474, J98E09A

All data for this body: [vot]

MPC data
Name (number) 1998 EA9 (35474)
a 2.56703
e 0.23904
i / sin(i) 9.0944 / 0.15806
q 1.95341
Q 3.18065
ω 160.2115
Node 111.1891
m 162.4718
n 0.2396
Epoch 2460800.5
nobs 1884
nopp 22
Years observed 1992-2025
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.567
ep 0.233
sin(ip) 0.134
G 0.150
H 14.580
Mass
D 3.38 0.145
pV 0.204 0.0664
Value
Rotational Period
Period quality None
Spectral Class A
Spectral Class Score 4.044
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5666 0.2333 0.1337 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.38 0.145 0.145 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.204 0.0664 0.0664 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
14.58 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
A 0.674 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT