1998 EE9

1998EE9, 1990 RL, 1990RL, 28033, J90R00L, J98E09E

All data for this body: [vot]

MPC data
Name (number) 1998 EE9 (28033)
a 3.07219
e 0.03964
i / sin(i) 8.9778 / 0.15605
q 2.95041
Q 3.19398
ω 84.7475
Node 1.7677
m 61.4037
n 0.1830
Epoch 2460800.5
nobs 3333
nopp 22
Years observed 1990-2025
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent Eos (221)
 
ap 3.074
ep 0.049
sin(ip) 0.159
G 0.150
H 13.120
Mass
D 5.86 0.135
pV 0.334 0.0383
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.550
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
221 Eos 606 Eos 0.8800 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0738 0.0492 0.1586 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.83 0.140 0.140 Masiero 2011ApJ...741...68M NEATM
6.28 0.491 0.491 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.309 0.0534 0.0534 Masiero 2011ApJ...741...68M NEATM
0.360 0.0550 0.0550 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
13.12 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 0.925 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT