Duffard

08797, 1981EU18, J81E18U

All data for this body: [vot]

MPC data
Name (number) Duffard (8797)
Packed designation 08797
a 3.06957
e 0.17288
i / sin(i) 0.2039 / 0.00356
q 2.53890
Q 3.60024
ω 196.1296
Node 92.2090
m 106.5826
n 0.1833
Epoch 2459600.5
nobs 2069
nopp 25
Years observed 1951-2022
rms 0.67
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 13.820
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-Jan-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-2022-01-18 MPC-2022-01-18 Phot
H data
[raw, vot]

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