Portegieszwart

1290 T-1, 1290T-1, 12946, 1997 GE13, 1997GE13, J97G13E, T1S1290

All data for this body: [vot]

MPC data
Name (number) Portegieszwart (12946)
a 2.39360
e 0.06774
i / sin(i) 6.2013 / 0.10802
q 2.23146
Q 2.55573
ω 284.9055
Node 194.7858
m 276.5594
n 0.2662
Epoch 2460800.5
nobs 2785
nopp 23
Years observed 1971-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent Vesta (4)
 
ap 2.394
ep 0.097
sin(ip) 0.116
G 0.150
H 15.000
Mass
D
pV
Value
Rotational Period 1.300
Period quality
Spectral Class S
Spectral Class Score 5.298
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
4 Vesta 0 Vesta Novakovic 2019EPSC...13.1671N HCM
4 Vesta 401 Vesta Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3941 0.0969 0.1159 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
15.00 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
1.33 Synodic Erasmus 2019ApJS..242...15E Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
S 0.883000 Bus-DeMeo VIS Erasmus 2019ApJS..242...15E PHOT