Duffard

08797, 1981 EU18, 1981EU18, J81E18U

All data for this body: [vot]

MPC data
Name (number) Duffard (8797)
a 3.07090
e 0.17228
i / sin(i) 0.2043 / 0.00357
q 2.54184
Q 3.59996
ω 196.0409
Node 92.2329
m 216.6192
n 0.1832
Epoch 2460200.5
nobs 2151
nopp 27
Years observed 1951-2023
rms 0.66
Best values
[raw, vot]

Value Standard error
Parent
 
ap 3.076
ep 0.217
sin(ip) 0.017
Value Standard error
G 0.150
H 13.910
Mass
D 8.23 0.175
pV 0.086 0.0160
Proper elements data
[raw, vot]

ap ep sin(ip) Author Reference Method
3.0764 0.2168 0.0174 Novakovic_Radovic_Todovic 2003A&A...403.1165K Numeric-Oct-2022
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.23 0.175 0.175 Masiero 2011ApJ...741...68M NEATM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.086 0.0160 0.0160 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
13.91 MPC-2023-12-04 MPC-2023-12-04 Phot