Automedon

02920, 1981JR, J81J00R

All data for this body: [vot]

MPC data
Name (number) Automedon (2920)
Packed designation 02920
a 5.11182
e 0.02782
i / sin(i) 21.1150 / 0.36024
q 4.96960
Q 5.25404
ω 197.0908
Node 230.9497
m 341.3038
n 0.0853
Epoch 2459600.5
nobs 3295
nopp 30
Years observed 1981-2022
rms 0.48
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
Value Standard error
G 0.150
H 8.910
Mass
D 0.77 0.124
pV 0.043 0.0029
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.02 0.126 0.126 Grav 2011ApJ...742...40G NEATM
0.07 0.784 0.784 Grav 2012ApJ...759...49G NEATM
109.40 3.200 3.200 Fernandez 2003AJ....126.1563F RADIOMETRY_STM
111.01 7.500 7.500 Tedesco 2002AJ....123.1056T STM
112.31 7.820 7.820 Ryan&Woodward 2010AJ....140..933R IRAS-STM
112.65 11.270 11.270 Ali-Lagoa 2018A&A...612A..85A NEATM
113.11 2.250 2.250 Usui 2011PASJ...63.1117U NEATM
122.91 9.661 9.661 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
123.24 12.320 12.320 Ali-Lagoa 2018A&A...612A..85A NEATM
130.40 3.800 3.800 Fernandez 2003AJ....126.1563F RADIOMETRY_STM
Albedo data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
0.034 0.0070 0.0070 Ali-Lagoa 2018A&A...612A..85A NEATM
0.037 0.0063 0.0063 Ryan&Woodward 2010AJ....140..933R IRAS-NEATM
0.040 0.0080 0.0080 Ali-Lagoa 2018A&A...612A..85A NEATM
0.043 0.0070 0.0070 Tedesco 2002AJ....123.1056T STM
0.044 0.0068 0.0068 Ryan&Woodward 2010AJ....140..933R IRAS-STM
0.064 0.0190 0.0190 Grav 2011ApJ...742...40G NEATM
0.068 0.0090 0.0090 Grav 2012ApJ...759...49G 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
8.91 MPC-2022-01-18 MPC-2022-01-18 Phot