1981 ET37

1981ET37, 1998 FM144, 1998FM144, 43748, J81E37T, J98FE4M

All data for this body: [vot]

MPC data
Name (number) 1981 ET37 (43748)
a 2.26294
e 0.24440
i / sin(i) 3.5974 / 0.06274
q 1.70988
Q 2.81599
ω 61.0695
Node 218.9737
m 103.1537
n 0.2895
Epoch 2460200.5
nobs 1075
nopp 20
Years observed 1981-2023
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.258
ep 0.214
sin(ip) 0.076
Value Standard error
G 0.150
H 16.190
Mass
D
pV
Rotational Period
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.2581 0.2142 0.0760 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
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
16.19 MPC-2023-12-04 MPC-2023-12-04 Phot