Sonnett

08796, 1981 EA12, 1981EA12, J81E12A

All data for this body: [vot]

MPC data
Name (number) Sonnett (8796)
a 2.23569
e 0.08013
i / sin(i) 2.1730 / 0.03792
q 2.05654
Q 2.41483
ω 244.4916
Node 221.9544
m 136.7889
n 0.2948
Epoch 2460800.5
nobs 1807
nopp 26
Years observed 1971-2025
rms 0.76
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.235
ep 0.120
sin(ip) 0.048
G 0.150
H 15.610
Mass
D
pV
Value
Rotational Period 5.100
Period quality 2
Spectral Class S
Spectral Class Score 10.928
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2354 0.1203 0.0484 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
15.61 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
5.18 2 Synodic Chang 2019ApJS..241....6C Lightcurve
5.2 1 Synodic Binzel 1992Icar...99..225B Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
A S 0.4129 0.3740 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
S 0.46 Bus VIS Carvano 2010A&A...510A..43C PHOT
S 0.985 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
S S None None Movis NIR Popescu 2018A&A...617A..12P PHOT
S S 0.5164 0.3740 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X S 0.2453 0.3740 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT