1981 EA39

1981EA39, 16388, 4118 P-L, 4118P-L, J81E39A, PLS4118

All data for this body: [vot]

MPC data
Name (number) 1981 EA39 (16388)
a 2.38349
e 0.16591
i / sin(i) 1.5433 / 0.02693
q 1.98805
Q 2.77893
ω 291.7126
Node 310.6639
m 306.2516
n 0.2678
Epoch 2460800.5
nobs 1135
nopp 23
Years observed 1960-2025
rms 0.80
Best values
[raw, vot]

Value Standard error
Parent Nysa (44)
 
ap 2.384
ep 0.182
sin(ip) 0.042
G 0.150
H 16.070
Mass
D
pV
Value
Rotational Period
Period quality None
Spectral Class V
Spectral Class Score 3.281
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
135 Hertha 0 Hertha Novakovic 2019EPSC...13.1671N HCM
44 Nysa 405 Nysa-Polana -0.2700 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3835 0.1820 0.0416 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
16.07 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
S 0.129 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT
V V 0.5469 0.5469 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT