1981 ET19

1981ET19, 15217, J81E19T

All data for this body: [vot]

MPC data
Name (number) 1981 ET19 (15217)
a 2.41185
e 0.13835
i / sin(i) 1.9161 / 0.03344
q 2.07818
Q 2.74552
ω 115.9299
Node 135.5157
m 225.9760
n 0.2631
Epoch 2460800.5
nobs 810
nopp 21
Years observed 1978-2025
rms 0.83
Best values
[raw, vot]

Value Standard error
Parent Massalia (20)
 
ap 2.410
ep 0.151
sin(ip) 0.025
G 0.150
H 16.320
Mass
D
pV
Value
Rotational Period 14.020
Period quality 2
Spectral Class V
Spectral Class Score 4.607
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
20 Massalia 0 Massalia Novakovic 2019EPSC...13.1671N HCM
20 Massalia 404 Massalia 0.0400 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.4099 0.1513 0.0250 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
16.32 MPC-2023-12-04 MPC-2023-12-04 Phot
Periods
[raw, vot]

Value Quality Side real or Synodic Author Reference Method
14.023 2 Synodic Waszczak 2015AJ....150...75W Lightcurve
Spectral Class Data
[raw, vot]

Class 1 Class 2 Probability of Class 1 Probability of Class 2 Taxonomy Wavelength Author Reference Method
Q 0.07 Bus VIS Carvano 2010A&A...510A..43C PHOT
V V 0.7679 0.7679 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT