1981 EX3

1981EX3, 27678, J81E03X

All data for this body: [vot]

MPC data
Name (number) 1981 EX3 (27678)
a 2.74630
e 0.09792
i / sin(i) 7.9294 / 0.13795
q 2.47738
Q 3.01521
ω 237.2817
Node 233.6733
m 306.8790
n 0.2166
Epoch 2460800.5
nobs 2021
nopp 20
Years observed 1981-2024
rms 0.75
Best values
[raw, vot]

Value Standard error
Parent Gefion (1272)
 
ap 2.747
ep 0.113
sin(ip) 0.154
G 0.150
H 14.700
Mass
D 4.34 0.316
pV 0.196 0.0683
Value
Rotational Period
Period quality None
Spectral Class X
Spectral Class Score 6.315
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1272 Gefion 516 Gefion -0.6500 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7471 0.1133 0.1539 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Nov-2024
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
4.34 0.316 0.316 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.196 0.0683 0.0683 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
14.70 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
D X 0.1804 0.4440 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X 0.43 Bus VIS Carvano 2010A&A...510A..43C PHOT
X X 0.4403 0.4440 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT
X X 0.4688 0.4440 Bus-Demeo VIS Sergeyev 2021A&A...652A..59S PHOT