Amfortas

09509, 1990 EQ4, 1990EQ4, 3453 T-3, 3453T-3, J90E04Q, T3S3453

All data for this body: [vot]

MPC data
Name (number) Amfortas (9509)
a 2.31605
e 0.15099
i / sin(i) 6.6861 / 0.11643
q 1.96635
Q 2.66575
ω 73.3750
Node 187.3183
m 277.9354
n 0.2796
Epoch 2460800.5
nobs 2773
nopp 24
Years observed 1977-2025
rms 0.74
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.317
ep 0.148
sin(ip) 0.121
G 0.150
H 14.880
Mass
D
pV
Value
Rotational Period 3.840
Period quality 3
Spectral Class S
Spectral Class Score 27.334
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3166 0.1478 0.1211 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
14.88 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
3.849 3 Synodic Warner 2022MPBu...49..262W Lightcurve
3.996 2 Synodic Stephens 2020MPBu...47...50S Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
S 0.910 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S 0.99 Bus VIS Carvano 2010A&A...510A..43C PHOT
S S 0.9911 0.9660 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9917 0.9660 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S S 0.9996 0.9660 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT