1981EF4

17374, 1999GO36, J81E04F, J99G36O

All data for this body: [vot]

MPC data
Name (number) 1981EF4 (17374)
Packed designation 17374
a 2.34809
e 0.17409
i / sin(i) 6.7478 / 0.11750
q 1.93932
Q 2.75686
ω 349.9619
Node 245.7679
m 88.1198
n 0.2739
Epoch 2459600.5
nobs 1511
nopp 19
Years observed 1981-2021
rms 0.54
Best values
[raw, vot]

Value Standard error
Parent
 
ap 2.347
ep 0.195
sin(ip) 0.129
Value Standard error
G 0.150
H 14.830
Mass
D 3.17 0.148
pV 0.274 0.0439
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
2.3468 0.1946 0.1287 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Jan-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
3.06 0.420 0.420 Masiero 2012ApJ...759L...8M NEATM
3.19 0.158 0.158 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.273 0.0690 0.0690 Masiero 2012ApJ...759L...8M NEATM
0.276 0.0569 0.0569 Masiero 2011ApJ...741...68M NEATM
G data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.15 MPC-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
14.83 MPC-2022-01-18 MPC-2022-01-18 Phot