1981 EA23

1981EA23, 17386, J81E23A

All data for this body: [vot]

MPC data
Name (number) 1981 EA23 (17386)
a 2.66578
e 0.04954
i / sin(i) 8.5543 / 0.14875
q 2.53372
Q 2.79784
ω 241.4227
Node 352.2987
m 357.9960
n 0.2264
Epoch 2460800.5
nobs 1697
nopp 23
Years observed 1981-2025
rms 0.79
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.666
ep 0.069
sin(ip) 0.154
G 0.150
H 15.010
Mass
D 3.17 0.214
pV 0.304 0.0356
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 5.280
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6660 0.0688 0.1536 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.17 0.214 0.214 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.304 0.0356 0.0356 Masiero 2011ApJ...741...68M NEATM
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
15.01 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 0.880 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT