1981 EO3

1981EO3, 1999 RO205, 1999RO205, 39485, J81E03O, J99RK5O

All data for this body: [vot]

MPC data
Name (number) 1981 EO3 (39485)
a 2.59928
e 0.20453
i / sin(i) 15.1900 / 0.26202
q 2.06766
Q 3.13090
ω 343.3254
Node 324.2951
m 80.6974
n 0.2352
Epoch 2460800.5
nobs 2611
nopp 20
Years observed 1981-2025
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.600
ep 0.182
sin(ip) 0.262
G 0.150
H 14.550
Mass
D 6.35 0.338
pV 0.097 0.0135
Value
Rotational Period
Period quality None
Spectral Class C
Spectral Class Score 5.319
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.6002 0.1820 0.2619 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.93 1.230 1.230 Nugent 2016AJ....152...63N NEATM
6.46 0.351 0.351 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.097 0.0138 0.0138 Masiero 2011ApJ...741...68M NEATM
0.110 0.0700 0.0700 Nugent 2016AJ....152...63N 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
14.55 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
C DeMeo-Carry VIS DeMeo 2013Icar..226..723D PHOT
C 0.34 Bus VIS Carvano 2010A&A...510A..43C PHOT
C C 0.4398 0.4398 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT