1999 EX9

1999EX9, 1997 SO28, 1997SO28, A1730, J97S28O, J99E09X

All data for this body: [vot]

MPC data
Name (number) 1999 EX9 (101730)
a 2.60031
e 0.13982
i / sin(i) 3.4107 / 0.05949
q 2.23674
Q 2.96388
ω 83.5444
Node 331.1337
m 183.3692
n 0.2351
Epoch 2460800.5
nobs 385
nopp 17
Years observed 1997-2025
rms 0.88
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.599
ep 0.131
sin(ip) 0.071
G 0.150
H 16.900
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 3.254
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.5993 0.1314 0.0708 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
16.90 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
D S 0.0812 0.3810 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
Q 0.09 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.5423 0.3810 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT