1981 EA5

1981EA5, 27679, J81E05A

All data for this body: [vot]

MPC data
Name (number) 1981 EA5 (27679)
a 2.73795
e 0.15831
i / sin(i) 8.7007 / 0.15127
q 2.30451
Q 3.17139
ω 168.5715
Node 256.6838
m 231.6636
n 0.2176
Epoch 2460200.5
nobs 1569
nopp 21
Years observed 1979-2022
rms 0.67
Best values
[raw, vot]

Value Standard error
Parent Gefion (1272)
 
ap 2.739
ep 0.131
sin(ip) 0.165
Value Standard error
G 0.150
H 14.560
Mass
D 3.56 1.146
pV 0.319 0.1597
Rotational Period 13.768
Family data
[raw, vot]

Parent Parent name Family ID Family name Cj Author Reference Method
1272 Gefion 516 Gefion -0.8600 Nesvorny doi.org/10.26033/6cg5-pt13 HCM-2020-08-14
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.7393 0.1308 0.1650 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.56 1.146 1.146 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.319 0.1597 0.1597 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
14.56 MPC-2023-12-04 MPC-2023-12-04 Phot
Period data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
13.77 Durech 2023A&A...675A..24D Model