Automedon

02920, 1981 JR, 1981JR, J81J00R

All data for this body: [vot]

MPC data
Name (number) Automedon (2920)
a 5.11396
e 0.02813
i / sin(i) 21.1116 / 0.36019
q 4.97009
Q 5.25782
ω 198.6846
Node 230.9457
m 30.9505
n 0.0852
Epoch 2460200.5
nobs 5441
nopp 32
Years observed 1981-2023
rms 0.42
Best values
[raw, vot]

Value Standard error
Parent
 
ap
ep
sin(ip)
Value Standard error
G 0.150
H 8.920
Mass
D 103.92 1.161
pV 0.043 0.0029
Diameter data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
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
88.57 1.800 1.800 Grav 2012ApJ...759...49G NEATM
91.88 10.460 10.460 Grav 2011ApJ...742...40G NEATM
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-2023-12-94 MPC-2023-12-94 Phot
H data
[raw, vot]

Value Uncertainty up Uncertainty down Author Reference Method
8.92 MPC-2023-12-04 MPC-2023-12-04 Phot