1981 EP3

1981EP3, J81E03P, L3001

All data for this body: [vot]

MPC data
Name (number) 1981 EP3 (213001)
a 3.15704
e 0.15324
i / sin(i) 9.1015 / 0.15818
q 2.67324
Q 3.64084
ω 305.1040
Node 228.1576
m 337.4359
n 0.1757
Epoch 2460800.5
nobs 381
nopp 17
Years observed 1981-2025
rms 0.89
Best values
[raw, vot]

Value Standard error
Parent Lixiaohua (3556)
 
ap 3.143
ep 0.196
sin(ip) 0.177
G 0.150
H 15.870
Mass
D 5.32 0.240
pV 0.025 0.0050
Value
Rotational Period
Period quality None
Spectral Class S
Spectral Class Score 4.404
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
3556 Lixiaohua 0 Lixiaohua Novakovic 2019EPSC...13.1671N HCM
3556 Lixiaohua 613 Lixiaohua -0.2800 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.1433 0.1960 0.1772 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
5.32 0.240 0.240 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.025 0.0050 0.0050 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
15.87 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 0.734 Bus-Demeo VIS Sergeyev 2022A&A...658A.109S PHOT