1981 EC38

1981EC38, 1996 RK24, 1996RK24, 39503, J81E38C, J96R24K

All data for this body: [vot]

MPC data
Name (number) 1981 EC38 (39503)
a 2.28834
e 0.09849
i / sin(i) 2.4230 / 0.04228
q 2.06295
Q 2.51372
ω 130.1867
Node 233.2992
m 272.8722
n 0.2847
Epoch 2460200.5
nobs 1568
nopp 19
Years observed 1981-2023
rms 0.69
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.288
ep 0.062
sin(ip) 0.057
Value Standard error
G 0.150
H 15.670
Mass
D 2.00 0.301
pV 0.280 0.0910
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2883 0.0620 0.0566 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
2.00 0.301 0.301 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.280 0.0910 0.0910 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
15.67 MPC-2023-12-04 MPC-2023-12-04 Phot